REFRIGERATION STRAINERS - dms.hvacpartners.comREFRIGERATION STRAINERS AC & R OIL FILTER - POE OIL...

739

REFRIGERATION STRAINERS

AC & R OIL FILTER - POE OIL FILTER-DRIERS-4004

AC&R Components’ S-4004 Oil Filter removes foreign material from the oil as it passes through the filter. The filter easily captures any debris that may be in the sys-tem, such as dirt, metal chips, etc. (particle retention10 micron). The S-4004 is required on all Electronic Oil Level Controllers to protect the solenoid manifold.

S-4005

The use of polyolester Oil (POE) is required for use with the new HFC refrigerants. However, there are some drawbacks.

1. POE oil is more hygroscopic. It absorbs moisture at a much greater rate than mineral oils. Moisture in any system can produce harmful conditions.

2. POE oil is a potent solvent, capable of cleaning up pipe scale, sludge, and other system contaminants

In order to trap these contaminants and moisture, fre-quent changing of the liquid and suction line filter-driers is recommended. Because the contaminants and mois-ture can return with the POE oil to the compressor’s crankcase, why not clean the oil at its source?

AC&R Components, Inc. has developed the POE Oil Filter & Drier for POE oil return on systems using Oil Separators and Oil Control Systems.

This is not a refrigerant Filter Drier. It is designed to operate at a very low pressure drop in a 100% oil environment.

The “New” POE Oil Filter & Drier, Catalog No. S-4005, was designed to clean and dry POE oil as it is returned to the compressor crankcase or Oil Reservoir in parallel systems. Clean and dry POE oil assures the proper operation of the float assemblies in the Oil Separator and the Oil Level Regulators.

The S-4005 POE Filter Drier features:

1. Extra large filter area: 325 sq. inches, to ensure cleanup of the oil.

2. Filled with 8 cubic inches of XH9 desiccant, the recommended desiccant for high moisture removal from POE oil.

3. High flow capacity with low pressure drop.

4. Same connection size as oil return line from Oil Separator (3/8-in.male flare).

5. UL approved.

6. No need to install multiple strainers to each oil level regulator.

7. Also for use with Alkybenzene and Mineral Oil.

8. Replace after 15 psig pressure drop.

HENRY STRAIGHT-THROUGH STRAINERS — NON-CLEANABLE

PARTNO.

891S-1/4 1/4 FLARE 4.50 .48891S-3/8 3/8 FLARE 5.00 11 100 .57

891S-5/8S 5/8 ODS 4.56 .50 .72

Design Features:

1. Steel.

2. Stainless steel screen.

3. Maximum working pressure:500 PSI (35 KG/CM²).

4. Temperature rating:-20° F (-29° C) to +300° F(+149° C).

5. Suitable for refrigerants and other industrial fluids non-corro-sive to steel.

740


HENRY ANGLE TYPE, FLANGED CLEANOUT BRASS SHELL & END CAP STRAINERS

WATTS STRAINERS BRONZE

NOTE: *Dimension is the minimum space required to remove the cartridge from the shell.

SIZE ODSCONNECTIONS

(in.)

SCREEN DATA DIMENSIONS (in.)

P/NMESH SIZE(in.)

AREA(sq. in.)

LENGTH(in.)

FACE OF INLETTO CENTEROF OUTLET

CENTER TOOUTLET

FACE

OVERALLLENGTH

5/8 80 23 5-1/2 4-3/4 2-1/16 7-1/16 866-5/87/8 80 23 5-1/2 5-1/16 2-3/8 7-3/8 866-7/8

1-1/8 80 23 5-1/2 5-1/16 2-1/2 7-3/8 866-1-1/8

• MONEL REPLACEABLE SCREEN CARTRIDGE REINFORCED WITH 10 MESH BRASS SCREEN.

• SCREEN CARTRIDGES ARE SECURELY LOCATED BY MEANS OF SPRING TENSION, PREVENTING BY-PASSING OF REFRIGERANT.ANGLE TYPE

866 ( )P383

• Y TYPE STRAINERS FOR WATER AND STEAM SERVICE.

• 20 MESH STAINLESS STEEL, OTHER OPTIONS AVAILABLE.

• 400 WOG @ 210° F, WSP 125. LBS @ 400° F.

• 777S THREADED CONNECTIONS.

• S777S SWEAT CONNECTIONS.

• TAPED FOR CLOSURE PLUG (CLOSURE PLUG NOT INCLUDED).

• MAXIMUM PRESSURE RATINGS FOR SWEAT IS 400 PSI @ 150° F AND REQUIRES 95-5 SOLDER (REF. ANSI B16.18) AND STEAM RATING @ 15 PSI MAXIMUM.

.

SIZEDIMENSIONS MFG P/N P/N

A B C THREADED SWEAT THREADED SWEAT1/2″ 3″ 2″ 3/8″ NPT 1/2″ 777S 1/2″ S777S WAT 1/2 777S WAT 1/2 S777S3/4″ 3-5/16″ 2-5/16″ 3/4″ NPT 3/4″ 777S 3/4″ S777S WAT 3/4 777S WAT 3/4 S777S1″ 4-1/2″ 2-15/16″ 3/4″ NPT 1″ 777S 1″ S777S WAT 1 777S WAT 1 S777S

1-1/4″ 5-1/8″ 3- I/8″ 3/4″ NPT 1-1/4″ 777S 1-1/4″ S777S WAT 11/4 777S WAT 11/4 S777S1-1/2″ 5-7/8″ 3-1/4″ 1″ NPT 1-1/2″ 777S 1-1/2″ S777S WAT 11/2 777S WAT 11/2 S777S

2″ 6-3/16″ 5-7/8″ 1-1/4″ NPT 2″ 777S 2″ S777S WAT 2 777S WAT 2 S777S3″ 10-1/8″ 6-1/16″ 1-1/2″ NPT 3″ 777S WAT 3 777S4″ 13″ 10-1/2″ 1-1/2″ NPT 4″ 777S WAT 4 777S

741


PARKER COPPER STRAINERS/STRAINER DISTRIBUTORSStrainers are low cost filtration devices designed to protect refrig-eration components, including valves, compressors and capillary tubes, from system contaminants.

P4092

Key Features and Benefits

• Copper construction to resist corrosion.

• 500 psig design pressure.

• Available in a variety of inlet and outlet sizes.

• UL recognized (File SA-8570) and CSA certified (LR-87950).

Proper selection of strainers is based on two parameters:

1. Maximum operating pressure

2. Contaminants present in the system.

Maximum Operating Pressure

Information regarding operating pressure is required to ade-quately size the wall thickness of the strainer to attain the ultimate burst pressure. In accordance with Underwriters Laboratories (UL) and Canadian Standards Association (CSA), the burst pres-sure for Parker strainers is rated as five times the design working pressure of the system. Listed in the catalog as design working pressure, this value can be correlated to tube diameter and wall thickness in order to meet specific UL specifications.

Contaminants

To determine the type and area of the screen, information about contaminants is needed. The size, type and cleanliness of the refrigeration system and its components, as well as the control of the assembly process, all determine the amount and size of the contaminants to be trapped by the strainer. The most common

size of screen is 150 x 140 mesh which is used to protect capil-lary tubes. An extra large screen area should be selected if the strainer is expected to trap large amounts of foreign material. The large screen area will ensure there is enough area for passage of fluid without causing pressure drop.

Recommended Screen Area

Strainer Screen Dimensions

SCREENAREA(sq in.)

LOW TEMPR-12 & R-134a

0° or Below

MED. TEMPR-12 & R-134a0° F or Above

LOW TEMPR-22

AIR COND.R-22

0.8 1/8 hp 1/4 hp 1/8 hp 1/3 hp1.8 1/4 hp 1/3 hp 1/3 hp 1/2 hp2.2 1/3 hp 1/2 hp 1/2 hp 3/4 hp2.3 1/2 hp 3/4 hp 3/4 hp 1 hp5.2 1-1/2 hp 2 hp 1-1/2 hp 3 hp6 2 hp 3 hp 2 hp 5 hp

MESHDIAMETEROF WIRE

PARTICLE SIZE

MAXIMUMDIAMETER

SCREENMATERIAL

MICRONSIZE

% OPENAREA

100 x 90 0.0045 0.0055 s.s. 140 30%120 x 108 0.0036 0.0046 brass 117 30%150 x 140 0.0026 0.0041 s.s. 104 37%

Strainer Dimensions

PARTNO.

OVERALLLENGTH

(in.)

AREA(sq in.)

INLETI.D.

OUTLETI.D.

SCREEN

PS-2S 2.75 1.00 1/4 1/4 120 mesh brassPS-3S 2.75 1.00 3/8 3/8 120 mesh brassPS-4S 3.00 1.00 1/2 1/2 100 mesh stainless steelPS-5S 5.13 8.37 5/8 5/8 100 mesh stainless steelPS-7S 5.13 8.37 7/8 7/8 100 mesh stainless steelPS-9S 5.44 10.62 1-1/8 1-1/8 100 mesh stainless steel

PS-11S 5.44 10.62 1-3/8 1-3/8 100 mesh stainless steelPS-13S 6.00 10.62 1-5/8 1-5/8 40 mesh stainless steel

742


PARKER COPPER STRAINERS/STRAINER DISTRIBUTORS5/8″″″″ O.D. Copper Strainers — Standard Products

3/4″″″″ O.D. Copper Strainers

1″″″″ O.D. Copper Strainers

PART NO.

DESIGN WORKING

PRESSURE(psig)

FILTRATIONCAPACITYMICRONS

SCREENAREA(sq in.)

INLET I.D. (B)

(in.)

OUTLETI.D. (C)

(in.)

OVERALLLENGTH(A) (in.)

054139-00 500 140 0.75 1/4 .147-.152 2.25

PART NO.

DESIGN WORKING

PRESSURE(psig)


SCREENAREA(sq in.)

INLET I.D. (B)

(in.)

OUTLETI.D. (C)

(in.)


054816-03 500 117 0.88 1/4 1/4 2.75054816-06 500 117 0.88 3/8 5/16 2.75054816-01 500 117 0.88 3/8 3/8 OD 2.75054816-02 500 117 0.88 3/8 3/8 2.75054816-10 500 117 0.88 1/2 1/2 OD 2.75056822-00 500 140 0.88 1/2 1/2 3051163-01 500 140 4.55 3/8 3/8 5.75

STANDARD PRODUCT

Part No.

Design WorkingPressure

(psig)

FiltrationCapacityMicrons

ScreenArea

(sq in.)

Inlet I.D. (B)

(in.)

OutletI.D. (C)

(in.)

OverallLength(A) (in.)

057073-01 500 140 1.96 3/8 8 @ 1/8 4.25MODIFIED STANDARD

441601 360-540 104 1.96 see chart below 3.8-4.3

Inlet Options

Inlet No. of Holes3/16 11/4 1, 2

5/16 1, 23/8 11/2 15/8 1

Outlet Options

NOTE: All 1-in. O.D. strainers are Underwriters’ Laboratories recognized file SA-8570, guide card SMGT-2 and Canadian Standards Association certified file No. LR-87950 Model 1025.

Outlet No. of Holes Outlet No. of Holes0.081 1 0.125 1, 2, 3, 4, 5, 6, 80.087 1 3/16 10.093 1 1/4 10.099 1 5/16 10.106 1, 2, 3, 4, 5, 6, 8 3/8 10.112 1 1/2 1

P4093

P4094

P4095

743


PARKER COPPER STRAINERS/STRAINER DISTRIBUTORS1-3/16″″″″ O.D. Copper Strainers

STANDARD PRODUCT

Part No.

Design WorkingPressure

(psig)

FiltrationCapacityMicrons

ScreenArea

(sq in.)

Inlet I.D. (B)

(in.)

OutletI.D. (C)

(in.)

OverallLength(A) (in.)

058307-00 500 140 8.37 1/2 1/2 5.13MODIFIED STANDARD

441901 500 104 2.32 see chart below 5.8-6.5

Inlet Options

Inlet No. of Holes1/4 1

5/16 1, 23/8 1, 21/2 15/8 1

Outlet Options

NOTE: All 1-3/16-in. O.D. strainers are Underwriters’ Laboratories recog-nized file SA-8570, guide card SMGT-2 and Canadian Standard Associa-tion certified file No. LR-87950 Model 319.

Outlet No. of Holes Outlet No. of Holes0.099 1, 2, 3, 4, 5, 6 1/4 10.106 1, 2, 4 5/16 10.112 1, 3, 4, 6 3/8 1, 20.125 1, 2 1/2 1

1-5/8″″″″ O.D. Copper Strainers

NOTE: All 1-5/8-in. O.D. strainers are Underwriters’ Laboratories recognized file SA-8570, guide card SMGT-2 and Canadian Standard Association certified file No. LR-87950 Model 1638.

PART NO.

DESIGN WORKING

PRESSURE(psig)


SCREENAREA(sq in.)

INLET I.D. (B)

(in.)

OUTLETI.D. (C)

(in.)


053830-01 500 140 10.62 1/4 1/4 5.13054745-01 500 140 10.62 5/8 .617-.622 OD 5.44

P4096

P4097

744


A-1 STRAINERSDesigned to trap particulates in the refrigerant to protect the system from clogging.

Features:

• Available with 1, 2, 3, and 4 outlets.

• Inlet dimensions of 1/4″ to 3/8″.

• Outlet dimensions of 0.093 to 3/8″.

• Equipped with S.S. mesh screen.

PRODUCTNO.

INLET(in.)

OUTLET(in.)

NO. OFOUTLETS

LENGTH(in.)

ORDERNO.

S-4 1/4 .093 1 2-1/8 6537S-6 1/4 1/4 1 2-1/8 6538S-8 1/4 .093 1 3 6540S-84 1/4 1/4 1 3 6541S-842 1/4 1/8 1 3 6542S-86 3/8 3/8 1 3 6504S-862 3/8 1/8 1 3 6506S-132 3/8 1/8 1 4 6521S-134 3/8 1/4 1 4 6522S-136 3/8 3/8 1 4 6523S-152 1/4 1/8 1 4 6526S-154 1/4 1/4 1 4 6527S-842D 1/4 .146 2 3 6507S-862D 3/8 .146 2 3 6508S-942D 1/4 .146 2 4 6509S-962D 3/8 .146 2 4 6510S-942T 1/4 .146 3 4 6511S-962T 3/8 .146 3 4 6512S-861Q 3/8 .112 4 5 6590S-942Q 1/4 .146 4 5 6513S-962Q 3/8 .146 4 5 6514

P4226

745

VIBRATION ABSORBERS

PACKLESS VIBRATION ABSORBERS• Sixteen models available to fit copper tubing from 1/4 through 4-1/8 in. O.D.

• UL and CSA approved.

• Each unit pressure and vacuum tested, cleaned, dehydrated and sealed in plastic film.

P4215

*UL and CSA approved for low side (suction side) use only.

PARTNUMBER

TO FIT COPPERTUBING HAVING:

SHIPPINGWEIGHT

(lb)

DIMENSIONSUL

STYLENUMBER

MAXWORKING

PRESSURE(psig)

BURSTPRESSURE

(psig)ActualO.D. (in.)

NominalI.D. (in.)

FlexTubing

I.D.A

Tube EndLength

B

FlexTubingLength

C

OverallLength

D

FerruleLength

E

PAC-VAF-1 1/4 1/8 1/4 1/4 1/2 6 7 1/2 P-1 450 2250PAC-VAF-2 1/4 1/8 1/4 1/4 1/2 6-1/2 7-1/2 1/2 P-2 450 2250

PAC-VAF-3 3/8 1/4 3/8 3/8 5/8 7 8-1/4 1/2 P-3 450 2250PAC-VAF-4 1/2 3/8 3/8 3/8 3/4 7-1/2 9 1/2 P-4 450 2250PAC-VAF-5 5/8 1/2 5/8 1/2 7/8 8 9-3/4 1/2 P-5 450 2250PAC-VAF-6 3/4 5/8 5/8 1/2 1 8 10 1/2 P-6 450 2250PAC-VAF-7 3/4 5/8 1-1/4 3/4 1-1/8 9 11-1/4 5/8 P-7 440 2200PAC-VAF-8 7/8 3/4 1-1/4 3/4 1-1/4 9 11-1/2 5/8 P-8 440 2200

PAC-VAF-9 1-1/8 1 1-3/4 1 1-1/2 10 13 15/16 P-9 380 1900PAC-VAF-10 1-3/8 1-1/4 2-1/2 1-1/4 1-5/8 11-1/2 14-3/4 1 P-10 400 2000PAC-VAF-11 1-5/8 1-1/2 3-3/4 1-1/2 2 13 17 1-1/8 P-11 400 2000PAC-VAF-82 2-1/8 2 5 2 2-1/2 15 20 1-1/2 P-82 390 1950PAC-VAF-83 2-5/8 2-1/2 8 2-1/2 3 18 24 2 P-83 340 1700PAC-VAF-84 3-1/8 3 11 3 3-1/2 20 27 2 P-84 300 1500

PAC-VAF-85 3-5/8 3-1/2 14 3-1/2 4 24 32-5/8 2 P-85 175* 525PAC-VAF-86 4-1/8 4 16 4 4-1/2 24 33-3/8 2 P-86 175* 525

746

HEAD PRESSURE CONTROLSTOTALINE® HEAD PRESSURE CONTROLS

Maintains proper air cooled condenser pressures during periods of low outdoor ambient conditions.

Without proper control of condensing pressure, poor refrigeration and component damage can occur. The Totaline HeadMaster control offers an efficient and economical approach to this com-mon industry problem on air cooled condensers.

The HeadMaster 3-way head pressure control valve eliminates the need for special piping or multiple control valves. As a single unit it simplifies piping and reduces the installation costs.

PRECAUTIONS

1. The HeadMaster control should not be used on a system which does not have a liquid receiver or on one with a receiver which is too small. If the receiver does not have adequate storage space, the refrigerant will back up in the condenser to produce excessively high discharge pressures during high ambient air temperatures. This will cause system damage and/or personal injury.

2. The HeadMaster control should be used only on systems which employ a thermostatic expansion valve.

3. Good refrigeration practice states that the total system charge should not exceed 75% of the receiver capacity.

4. Condenser fans should not be cycled when using the Head-Master control. The sudden changes in high side pressure caused by fan cycling will result in erratic thermostatic expan-sion valve performance and shortened head pressure control life.

OPERATION

The HeadMaster control is a three-way modulating valve con-trolled by the discharge pressure. At outdoor temperatures which cause the compressor discharge pressure to be above the head pressure control valve setting, there is no refrigerant flow through the “B” port of the valve. The flow is through the condenser and valve ports “C” and “R”, as shown in FIGURE A.

FIGURE A

As ambient air temperature falls, there will be a corresponding decrease in head pressure. When the discharge pressure fails below the valve setting, discharge gas will flow through the “B” port into the receiver, creating a higher pressure at the condenser outlet. The higher pressure at the condenser outlet reduces the flow from Port “C” and causes the level of condensed liquid to rise in the condenser, as shown in FIGURE B.

The flooding of the condenser with liquid reduces the available condensing surface. The result is to increase the pressure in the condenser and maintain an adequate high side pressure.

FIGURE B

ADDITIONAL REFRIGERANT

On most systems, an additional amount of refrigerant will be required. It is essential to have enough to completely fill the con-denser for the lowest ambient condition. To accurately determine the amount of additional refrigerant charge required to fill the con-denser, find the total length of condenser tubing in feet, and multi-ply by the number of pounds of refrigerant per foot for a given size tubing. Table #1 shows the liquid refrigerant per foot, per lowest winter temperature to be encountered.

P273-1

P273-2

TABLE #1 - REFRIGERANT POUNDS PER FOOT*

*Return bends: 3/8″ O.D. - .20 ft., 1/2″ O.D. - .25 ft., 5/8″ - .30 ft.**Wall thickness: .016″ - 3/8″ O.D., .017″ - 1/2″ O.D., .018″ - 5/8″ O.D.

REFRIGERANT

CONDENSER TUBE SIZE - O.D.**3/8″″″″ 1/2″″″″ 5/8″″″″

AMBIENT TEMPERATURE (°F)+40° 0° -20° -40° +40° 0° -20° -40° +40° 0° -20° -40°

R-12 .055 .058 .060 .061 .102 .107 .110 .112 .163 .172 .175 .179R-22 .051 .054 .055 .056 .094 .099 .102 .104 .150 .159 .163 .167

R-502 .053 .056 .058 .059 .098 .104 .107 .109 .157 .166 .171 .175

P387

747

HEAD PRESSURE CONTROLSHEAD PRESSURE CONTROLS

Do not select a valve for a capacity rating exceeding 5 psi pres-sure drop from Port “C” to Port “B” or for a system with more than 20 psi pressure drop across the condenser.

During normal ambient conditions the available liquid sub-cooling in the condenser shall be adequate to cover the existing pressure drop through the HeadMaster control.

If a valve is selected for a given flow rate, the resultant pressure drop must not cause the liquid pressure to drop below saturation and produce flash gas. If sufficient sub-cooling is not available to cover this pressure drop, it is suggested that more than one valve be installed in parallel to reduce the pressure drop to tolerable lim-its (see FIGURE D). Do not parallel valves of different capaci-ties. Liquid drain lines from the condenser to receiver are generally sized for a velocity of 150 ft./Min.

FIGURE D

*Based on 100° F liquid and 40° F evaporator.

TABLE #3 - NOMINAL CAPACITY (TONS)*

REFRIGERANTPRESSURE DROP - PSI

P/N1 2 3 4 5

R-121.7 2.4 3.0 3.4 3.8 P520-HP54.6 6.5 8.0 9.2 10.3 P520-HP8

11.7 16.5 20.2 23.6 26.4 P520-HP14

R-222.2 3.2 3.9 4.5 5.0 P520-HP56.0 8.5 10.5 12.0 13.5 P520-HP8

14.7 20.8 25.6 29.7 33.8 P520-HP14

R-5021.5 2.1 2.6 3.0 3.3 P520-HP53.9 5.5 6.7 7.8 8.7 P520-HP8

10.1 14.3 17.6 20.5 23.0 P520-HP14

P274

.

TABLE #4 - MULTIPLIER FACTORS FOR CAPACITIES AT CONDITIONS OTHER THAN NOMINAL RATINGSLIQUID

TEMPERATURE(°F)

R-12 R-22 R-502EVAPORATOR TEMPERATURE

40° 20° 0° -20° -40° 40° 20° 0° -20° -40° 40° 20° 0° -20° -40°120 .876 .848 .800 .757 .716 .888 .864 .836 .820 .776 .838 .792 .740 .686 .633100 1.00 .963 .920 .878 .833 1.00 .980 .952 .925 .890 1.00 .955 .900 .845 .79080 1.12 1.06 1.02 .98 .94 1.12 1.09 1.06 1.03 .999 1.14 1.09 1.04 .990 .93460 1.22 1.19 1.13 1.09 1.05 1.22 1.20 1.17 1.14 1.10 1.32 1.27 1.21 1.16 1.0940 — 1.28 1.24 1.20 1.15 — 1.30 1.27 1.24 1.21 — 1.42 1.37 1.31 1.2620 — — 1.36 1.31 1.28 — — 1.39 1.35 1.32 — — 1.51 1.46 1.41

FACTORY SETTING

The HeadMaster control is factory set to provide an average con-densing temperature consistent with good system performance. The complete type number includes the service reference code, port size, connection size and style, see FIGURE C. For sizing selection see Table #2. When ordering be sure to specify the com-plete type number.

NOTE: Be sure valve is not required to operate at conditions exceeding maximum safe working pressure of 440 PSI.

• SERVICE REFERENCE CODE

FIGURE C

CAPACITY AND SELECTION

The nominal HeadMaster control capacity in tons is shown in Table #3 for R-12, R-22 and R-502. The nominal capacity is based on 100° F liquid, 40° F evaporator and the pressure drop shown. To obtain capacities in tons at other liquid and evaporator condi-tions, multiply the nominal capacity at the desired pressure drop by the factor in Table #4 given for the existing liquid temperature and evaporator temperature.

REFRIGERANTSERVICE

SERVICECODE

CONDENSINGTEMP.

R-12 A 98° F + 6 deg.R-22 BR-502 B 95° F + 6 deg.

TABLE #2 - SIZING SELECTION

SERIESNUMBER

SIZE (in.) &STYLE CONN.

REFRIGERANTR-12 R-22 & R-502

P/N

P520-HP53/8 ODF P520-HP5T3-A P520-HP5T3-B1/2 ODF P520-HP5T4-A P520-HP5T4-B

P520-HP81/2 ODF P520-HP8T4-A P520-HP8T4-B5/8 ODF P520-HP8T5-A P520-HP8T5-B7/8 ODF P520-HP8T7-A P520-HP8T7-B

P520-HP147/8 ODF P520-HP14T7-A P520-HP14T7-B

1-1/8 ODF P520-HP14T9-A P520-HP14T9-B1-3/8 ODF P520-HP14T11-A P520-HP14T11-B

748

PRESSURE REGULATORS

TOTALINE CRANKCASE PRESSURE REGULATORS - TYPE CPR

TECHNICAL DATA

*Other fluorinated refrigerants, for example R-500, can be used at the stated temperatures and pressures.**P-band = proportional band. Proportional band is the change in pressure required to move valve from full closed to full open position.

ORDERING

*Nominal capacity is the regulator capacity at: Evaporating temperature to = +15° FCondensing temperature tk = +100° F Pressure drop in regulator ∆p = 2 psiP-band for CPR = 20 psi.

NOTE: The connections chosen must be too small in diameter since gas velocities in excess of 130 ft./sq. in the connector of the regulator can cause flow noise.

TYPE REFRIGERANTSREGULATIONRANGE (psig)

MAX.TEMPERATURE

(°F)

MAX.OPERATINGPRESSURE

(psig)

MAX.TESTPRESSURE

(psig)P-BAND** (psi)

Cv FACTORGAL/MIN ATTHE STATED

P-BAND**

CPR 12, 15, 22R-12, R-22,

R-502*7 to 85 +140 200 405 20 3.3

CPR 28, 35R-12, R-22,

R-502*7 to 85 +140 200 360 20 8.2

TYPENOMINAL CAPACITY TONS* FLARE CONNECTION SOLDER CONNECTION

R-12 R-22 R-502 (in.) SAE P/N (in.) ODF P/NCPR 12 0.8 1.2 0.9 1/2 P525-C06F04GD 1/2 P525-C06T04GDCPR 15 1.0 1.5 1.2 5/8 P525-C06F05GD 5/8 P525-C06T05GDCPR 22 1.0 1.5 1.2 — — 7/8 P525-C06T07GDCPR 28 2.6 3.9 3.0 — — 1-1/8 P525-C10T09GDCPR 35 2.6 3.9 3.0 — — 1-3/8 P525-C10T11GD

PART NUMBER SIGNIFICANCEP525 -

PORT DIA IN 1/8″″″″06 = 3/4″10 = 1-1/4″

TYPEE = IPR/EPR (EVAP)C = OPR/CPR (CC)H = CPCEL = LG (LIQUID MIXER)

CONNECTION TYPEF = SAET = ODF/ODM

CONNECTION SIZE IN 1/8″″″″

NOMINAL ADJUSTABLE PSIG RANGEA = 0 - 50B = 30 - 100C = 65 - 225D = 0 - 60E = 0 - 80F = 0 - 85G = 7 - 85H = NON-

ADJUSTABLE

D = DANFOSS

The CPR crankcase pressure regulator is mounted in the suction line ahead of the compressor.

Its purpose is to protect the compressor motor against overload due to high suction pressures during start up after long standstill periods (high temperature in the cold room) and after defrostperiods.

Type CPR makes it possible to use a small motor on low tempera-ture systems. A smaller motor will, during normal operation, oper-ate with improved efficiency, since the motor size is better suited to the load.

At the same time the improved efficiency means that the motor does not overheat. This is important in the case of suction gas cooled hermetic and semi-hermetic compressors.

• PULSATION DAMPING DESIGN minimizes flow noise; extends regulator life.

• COMPACT ANGLE DESIGN for ease of installation.

• “HERMETIC”, brazed construction design, no synthetic o-rings, or gaskets to wear and leak.

• APPLICABLE TO R-12, R-22, R-502, and other fluorinated refrigerants.

P388

749

PRESSURE REGULATORS

TOTALINE EVAPORATOR PRESSURE REGULATORS - TYPE EPR

TECHNICAL DATA

*Other fluorinated refrigerants, for example R-500, can be used at the stated temperatures and pressures.**P-band = proportional band. Proportional band is the change in pressure required to move valve from full closed to full open position.

ORDERING

*Nominal capacity is the regulator capacity at: Evaporating temperature to = +15° FCondensing temperature tk = +100° FPressure drop in regulator ∆p = 3 psiOffset = 8 psi.

NOTE: The connections chosen must be too small in diameter since gas velocities in excess of 130 ft./sq. in the connector of the regulator can cause flow noise.


MAX.TEMPERATURE

(°F)


(psig)

MAX.TESTPRESSURE

(psig)

P-BAND**(psi)

Cv FACTORGAL/MIN ATTHE STATED

P-BAND-’EPR 12, 15, 22 R-12, R-22, R-502* 3 to 85 +140 200 405 20 3.3

EPR 28, 35 R-12, R-22, R-502* 0 to 85 +140 200 360 20 8.2

TYPENOMINAL CAPACITY TONS*

(in.) SAE P/NSOLDER CONNECTION

R-12 R-22 R-502 (in.) ODF P/NEPR 12 0.8 1 0.8 1/2 P525-E06F04ED 1/2 P525-E06T04EDEPR 15 0.6 1 0.8 5/8 P525-E06F05GD 5/8 P525-E06T05EDEPR 22 0.6 1 0.8 — — 7/8 P525-E06T07EDEPR 28 1.4 2.1 1.7 — — 1-1/8 P525-E10T09EDEPR 35 1.4 2.1 1.7 — — 1-3/8 P525-E10T11ED


PORT DIA IN 1/8″″″″06 = 3/4″10 = 1-1/4″





ADJUSTABLE

D = DANFOSS

The EPR evaporating pressure regulator is mounted in the suc-tion line after the evaporator and is used for:

1. Maintaining a constant evaporating pressure and thus a constant evaporator surface temperature. Regulation is modu-lating. In the event of throttling in the suction line, the extracted quantity of refrigerant gas is matched to the evaporator load.

2. Protection against too low an evaporating pressure — for example, as a safeguard against freezing up of a water chiller. The regulator closes when the pressure in the evaporator drops below the set value.

Type EPR is highly suitable for these functions since it has a rela-tively small P-band and regulation accuracy even with large load variations.

The drawing shows a EPR mounted in the suction line on a sys-tem having two evaporators. On systems where more than one evaporator is connected to the same compressor the EPR is mounted in the suction line from the evaporator in which the pres-sure is to be kept higher than the design suction pressure.

The regulator will then throttle the suction gas from the required higher evaporating pressure to the design suction pressure.

• PULSATION DAMPING DESIGN minimizes flow noise; extends regulator life.

• COMPACT ANGLE DESIGN for ease of installation.

• “HERMETIC”, brazed construction design, no synthetic o-rings, or gaskets to wear and leak.

• APPLICABLE TO R-12, R-22, R-502, and other fluorinated refrigerants.

P276

750

PRESSURE REGULATORS

TOTALINE HOT-GAS BYPASS REGULATORS

TECHNICAL DATA

*Other fluorinated refrigerants, for example R-500, can be used at the stated temperatures and pressures.**Control pressure when the regulator begins to open.

ORDERING

*Nominal capacity is the regulator capacity at: Suction temperature ts = +26° FCondensing temperature tk = +100° F After a suction temperature reduction of ∆ts = 6° F.


MAX.TEMPERATURE

(°F)


(psig)

MAX. TESTPRESSURE

(psig)

2, 15, 22 R-12, R-22, R-502* 7 to 85** 285 305 400

TYPE

NOMINAL CAPACITY TONS* FLARE CONNECTION SOLDER CONNECTION

R-12 R-22 R-502 (in.) SAE P/N (in.) ODF P/N

12 2.3 6.0 5.4 1/2 P525-H02F04FD12 2.3 6.0 5.4 - - 1/2 P525-H02T04FD15 3.4 8.8 8.01 - - 5/8 P525-H03T05FD22 4.6 11.6 10.6 - - 7/8 P525-H06T07FD


PORT DIA IN 1/8″″″″06 = 3/4″″″″10 = 1-1/4″″″″





ADJUSTABLE

D = DANFOSS

Hot-gas bypass

Regulators are used to adapt compressor capacity to actual evap-orator load.

Capacity regulation by hot-gas injection at the evaporator inlet has the advantage that the thermostatic expansion valve reacts to the increased superheat of the refrigerant at the evaporator inlet, and injects the extra amount of liquid necessary to remove the super-heat. This method avoids the installation of a special injection valve to cool the suction gas.

Another advantage is that gas velocity in the evaporator is increased so that oil return is improved. This is especially impor-tant when the evaporator is positioned lower than the compressor.

Hot-gas bypass regulators are installed in a bypass between the high and low pressure sides of the refrigeration system.

When the load on the evaporator and the corresponding load on the compressor falls, the suction pressure of the compressor falls. This opens the regulator to produce a “false” load (replacement load) on the evaporator, in the form of hot-gas from the high pres-sure side.

Hot-gas bypass regulators are especially suitable for hot-gas injection at the evaporator inlet, between the thermostatic expan-sion valve and the liquid distributor.

Hot-gas bypass regulators are equipped with a control pressure connection for the refrigeration system suction line. In this way, the degree of opening of the regulator is directly determined by the compressor suction pressure, independent of the pressure drop on the evaporator side.

Hot-gas bypass regulators are primarily designed for refrigeration systems with one evaporator.

P390

P277

751

PRESSURE REGULATORSDANFOSS HOT-GAS BYPASS REGULATORS, TYPE CPCE LIQUID-GAS MIXERS, TYPE LG

DANFOSS HEAT RECOVERY REGULATORS, HEAD PRESSURE REGULATORS, TYPE KVR, DIFFERENTIAL PRESSURE VALVES, TYPE NRD

TECHNICAL DATA

*Other fluorinated refrigerants, for example R-500, can be used at the stated temperatures and pressures.**Provided that the Schraeder valve is removed and the connector is sealed with seal cap and nut — otherwise +200° F.

ORDERING

*The rated capacity is the regulator capacity at evaporating temperature to = +40° F concerning liquid and 0° F concerning hot-gas, condensing tempera-ture tk = +100° F and pressure drop across the valve ∆p = 3 p.

TYPE REFRIGERANTS

REGULATIONRANGE

(BEGINNINGTO OPEN) (psig)

OPENING DIFFERENTIAL PRESSURE ∆P PSI MAX.

TEMPERATURE(°F)


(SWIP) (psig)

MAX. TESTPRESSURE

(psig)BEGINNINGOPEN

COMPLETELYOPEN

KVR 12, 15, 22 R-12, R-22, R-502* 70 to 285 — — +265** 305 400KVR 28, 35 R-12, R-22, R-502* 70 to 250 — — +265** 275 355

NRD R-12, R-22, R-502* — 20 43 +275 350 455

TYPENOMINAL LIQUID CAPACITY (TONS) NOMINAL HOT-GAS CAPACITY (TONS)* FLARE CONNECTION SOLDER CONNECTION

R-12 R-22 R-502 R-12 R-22 R-502 (in.) SAE P/N (in.) ODF P/NKVR 12 11.0 14.5 9.0 3.0 4.0 3.0 1/2 481-0091 1/2 481-0093KVR 15 11.0 14.5 9.0 3.0 4.0 3.0 5/8 481-0092 5/8 481-0097KVR 22 11.0 14.5 9.0 3.0 4.0 3.0 — — 7/8 481-0094KVR 28 28.0 36.5 24.0 7.5 10.0 8.0 — — 1-1/8 481-0095KVR 35 28.0 36.5 24.0 7.5 10.0 8.0 — — 1-3/8 481-0100

NRD — — — — — — — — 1/2 482-1132

TYPE

CONNECTION FOR

P/NEXPANSIONVALVE

(in.) ODM

HOT-GAS(in.) ODM

LIQUIDDISTRIBUTOR

(in.) ODFLG 12/16 5/8 1/2 5/8 472-4001LG 12/22 7/8 1/2 7/8 472-4002LG 16/28 1-1/8 5/8 1-1/8 472-4003LG 22/35 1-3/8 7/8 1-3/8 472-4004

A liquid-gas mixer type LG should be used for hot-gas injection.

The object of the LG is to create a mono-geneous mixture of the hot-gas from the CPCE regulator and the liquid from the thermostatic expansion valve so that the function of the liquid distributor (next in the system) remains unimpaired.

The liquid-gas mixer type LG can also be used in connection with hot-gas defrosting or with reverse cycle systems.

Regulator systems KVR + NRD are used to maintain a constant and sufficiently high condensing and receiver pressure in systems with heat recovery or in refrigeration and air conditioning systems with air-cooled condensers.

During winter operation the ambient temperature falls and with it the condensing pressure of the air-cooled condenser falls.

KVR-regulation is dependent on the inlet pressure. It begins to throttle when the pressure falls below the pressure setting.

Consequently, the condenser is partially filled with liquid, so that the effective condensing surface is reduced. In this way the required condensing pressure is restored.

Since the real regulation task during winter operation is to keep the receiver pressure at a suitably high value, KVR is combined with a differential pressure valve type NRD, which is sitted in the bypass line shown. NRD begins to open at a differential pressure of 20 psi.

When the condensing pressure falls, KVR will begin to throttle. This increases the total pressure drop across the condenser + KVR. When this pressure drop reaches 20 psi, NRD will begin to open thus ensuring that the receiver pressure is maintained.

As a rule of thumb, it can be assumed that the pressure in the receiver is equal to the set pressure of the KVR less 14 psi.

During summer operation, when the KVR is fully open, the total pressure drop across the condenser and KVR is less than 20 psi. The NRD is therefore closed.

To avoid inadvertent opening of the NRD the pressure drop across the condenser at max. load must not exceed 10 psi. If this pressure is exceeded, two NRD units can be used in series instead of one.

During summer operation the charge can accumulate in the receiver. Therefore the system must be equipped with a sufficiently large receiver to store the excess refrigerant.

P392

P278

752

PRESSURE REGULATORSALCO EPRB(S) BRASS BODY UPSTREAM REGULATOR

EPRB(S) EXPLODED VIEW

This Evaporator Pressure Regulator is a new lightweight, energy-efficient pilot operated regulator. It is supplied with copper connections to allow easy installation into the system. The pilot operation is dependent upon high side system pressure which minimizes the pressure drop across the regulator. This regulator is of normally-open construction so that a manual operator is not required for system evacuation. A solenoid version having the suction stop is available as an option.

ALCO EPRB(S) series regulators are pilot operated and designed to main-tain a predetermined minimum inlet pressure. They are available in a “S” version for gas defrost applications. For information on other refrigerant applications please contact ALCO’s Applications Engineering Department.

FEATURES

• Energy efficient as it uses high side pressure for pilot operation, which minimizes system pressure drop.

• 25 lb. system pressure differential needed for valve operation.

• Uses copper line connections allowing installation with phos-copper alloy, i.e.: no flux.

• Can be installed without disassembly.

• Has a wide adjustment range (0-110 psig).

• Pilot connection available in 1/4-in. SAE or ODF.

• Easily disassembled to allow easy serviceability.

• Available with suction stop feature using a take-apart solenoid for additional serviceability.

• May be installed in either a vertical or horizontal refrigeration line.

• Pressure tap on inlet connection.

• External leak tested to less than 1/10 oz. a year.

• Corrosion resistant to 1000 hour salt spray.

• Reduced discharge to suction bleed.

SPECIFICATIONS

Maximum Working Pressure: 450 psig (3100 KPa).MOPD: 350 psi (2412 KPa) “S” version.Maximum Temperature: 250° F (121° C).

“S” version for use with DMG, AMG or AMC coils only.

pg592B

EPRB(S) REPLACEMENT PARTS

When 1/4″″″″ ODF pilot repair kits are needed, the followingrepair kits should be ordered:

EPRB Pilot Assembly KR50071EPRB(S) Pilot Assembly KR 50067

ODF PILOT ONLY

VALVE SIZEEPRB UPPER

SUB-ASSEMBLYEPRB(S) UPPERSUB-ASSEMBLY

12 KR 50068 KR 5007216 KR 50069 KR 5007320 KR 50070 KR 50074

SAE & ODFSOLENOID ONLY GASKETS

KR 50051 KR 50053

NOTE: Both the Bell/Piston Assem-bly and the Upper Subassembly Kits contain the main body gasket and spring.

SAE PILOT ONLY

VALVESIZE

BELL/PISTON

EPRB UPPERSUBASSEMBLY

EPRBS UPPERSUBASSEMBLY

12 KR50045 KR50048 KR5005416 KR50046 KR50049 KR5005520 KR50047 KR50050 KR50056

PILOT ASSEMBLY SAE ONLYEPRB EPRB(S)

KR 50052 KR 50044

753

PRESSURE REGULATORS

UL file number MP604

Guide number Y10Z

ALCO EPRB(S) BRASS BODY UPSTREAM REGULATOREPRB(S) DIMENSIONAL DATA

VALVE A BEPRBS 12 T 9SAE PILOT 1-1/8 ODF VLC

6-7/8 8-1/2EPRBS 12 T 9ODF PILOT 1-1/8 ODF VLCEPRBS 16 T 11ODFPILOT 1-3/8 ODF VLC

7-1/2 11-1/16EPRBS 16 T 11SAE PILOT 1-3/8 ODF VLCEPRBS 20 T 13SAE PILOT 1-5/8 ODF VLC

8-1/4 12-3/8EPRBS 20 T 13 ODF PILOT 1-5/8 ODF VLC

pg593

NOMENCLATURE

EPRB S 12 T 9Valve Suction Stop Port Size Connection Style Connection SizeSeries (optional) (in 1/16″″″″) T = ODF (in 1/8″″″″)

example Above: EPRBS 12T9

EPRB(A) EXTENDED CAPACITY TABLES

R-134aEVAPORATOR TEMP.

+ 45°F + 35°F + 25°F + 20°FPRESSURE DROP ACROSS VALVE – PSI

VALVE .5 1 2 3 4 5 .5 1 2 3 4 5 .5 1 2 3 4 5 .5 1 2 3 4 5

EPRBS 12T9 1.75 2.52 3.61 4.44 5.14 5.60 1.55 2.24 3.20 3.95 4.48 4.86 1.37 1.97 2.83 3.49 3.87 4.17 1.28 1.85 2.66 3.22 3.58 3.83

EPRBS 16T11 3.09 4.44 6.35 7.82 9.06 9.90 2.74 3.94 5.64 6.95 7.91 8.63 2.41 3.48 4.99 6.15 6.86 7.45 2.26 3.26 4.68 5.70 6.37 6.88

EPRBS 20T13 5.76 8.28 11.85 14.59 16.09 18.16 5.11 7.35 10.53 12.97 14.49 16.00 4.50 6.94 9.31 11.47 12.71 13.98 4.21 6.08 8.73 10.45 11.86 13.03

R-134aEVAPORATOR TEMP.

+ 15°F + 10°F + 5°F + 0°FPRESSURE DROP ACROSS VALVE – PSI

VALVE .5 1 2 3 4 5 .5 1 2 3 4 5 .5 1 2 3 4 5 .5 1 2 3 4 5

EPRBS 12T9 1.20 1.73 2.49 2.99 3.29 3.51 1.12 1.62 2.33 2.76 3.02 3.20 1.04 1.51 2.19 2.53 2.76 2.89 0.97 1.41 2.02 2.32 2.50 2.60

EPRBS 16T11 2.11 3.05 4.38 5.29 5.89 6.34 1.97 2.85 4.10 4.90 5.42 5.80 1.84 2.66 3.86 4.52 4.97 5.29 1.71 2.48 3.57 4.15 4.54 4.79

EPRBS 20T13 3.94 5.70 8.18 9.75 11.04 12.11 3.68 5.32 7.65 9.08 10.26 11.22 3.43 4.97 7.05 8.43 9.50 10.36 3.19 4.63 6.55 7.81 8.78 9.53

R-22

EVAPORATOR TEMP.

+ 45°F + 35°F + 20°F +10°F

PRESSURE DROP ACROSS VALVE – PSI

VALVE .5 1 2 3 4 5 .5 1 2 3 4 5 .5 1 2 3 4 5 .5 1 2 3 4 5

EPRBS 12T9 2.29 3.29 4.69 5.77 6.68 7.49 2.07 2.97 4.25 5.23 6.06 6.78 1.76 2.54 3.63 4.47 5.18 5.81 1.58 2.27 3.25 4.01 4.64 5.02

EPRBS 16T11 4.04 5.79 8.27 10.17 11.77 13.19 3.65 5.24 7.49 9.21 10.67 11.95 3.11 4.47 6.40 7.88 9.13 10.23 2.78 4.00 5.73 7.06 8.18 8.89

EPRBS 20T13 7.53 10.80 15.42 18.97 21.97 24.60 6.81 9.77 13.97 17.19 19.90 22.29 5.80 8.34 11.94 14.70 17.03 19.08 5.18 7.46 10.69 13.17 15.26 16.38

R-22EVAPORATOR TEMP.

+ 0°F - 10°F - 20°F - 30°FPRESSURE DROP ACROSS VALVE – PSI

VALVE .5 1 2 3 4 5 .5 1 2 3 4 5 .5 1 2 3 4 5 .5 1 2 3 4 5

EPRBS 12T9 1.40 2.02 2.90 3.57 4.02 4.35 1.24 1.79 2.57 3.13 3.47 3.72 1.08 1.57 2.26 2.68 2.94 3.11 0.94 1.37 1.97 2.26 2.44 2.53

EPRBS 16T11 2.47 3.56 5.11 6.29 7.12 7.75 2.18 3.15 4.52 5.53 6.18 6.68 1.91 2.77 3.98 4.77 5.28 5.65 1.66 2.42 3.49 4.05 4.43 4.66

EPRBS 20T13 4.60 6.64 9.53 11.74 13.11 14.45 4.06 5.87 8.44 10.14 11.50 12.64 3.56 5.16 7.43 8.85 10.00 10.93 3.10 4.51 6.42 7.64 8.58 9.31

754

PRESSURE REGULATORSALCO EPRB(S) BRASS BODY UPSTREAM REGULATOR

EPRB(A) EXTENDED CAPACITY TABLES

R404A/R507

EVAPORATOR TEMP.+ 45°F + 35°F + 20°F + 10°F

PRESSURE DROP ACROSS VALVE – PSIVALVE .5 1 2 3 4 5 .5 1 2 3 4 5 .5 1 2 3 4 5 .5 1 2 3 4 5

EPRBS 12T9 1.95 2.79 3.98 4.90 5.66 6.34 1.74 2.49 3.56 4.38 5.06 5.67 1.45 2.09 2.98 3.67 4.25 4.76 1.28 1.84 2.63 3.24 3.75 4.11

EPRBS 16T11 3.44 4.92 7.01 8.62 9.98 11.17 3.07 4.39 6.27 7.71 8.92 9.99 2.56 3.67 5.25 6.46 7.48 8.38 2.26 3.24 4.64 5.71 6.61 7.26

EPRBS 20T13 6.41 9.18 13.09 16.09 18.62 20.84 5.72 8.19 11.69 14.38 16.64 18.64 4.78 6.86 9.80 12.05 13.96 15.63 4.21 6.05 8.66 10.65 12.34 13.29

R404A/R507

EVAPORATOR TEMP.+ 0°F - 10°F - 20°F - 30°F

PRESSURE DROP ACROSS VALVE – PSIVALVE .5 1 2 3 4 5 .5 1 2 3 4 5 .5 1 2 3 4 5 .5 1 2 3 4 5

EPRBS 12T9 1.12 1.62 2.32 2.85 3.30 3.54 0.98 1.41 2.02 2.49 2.78 3.01 0.85 1.22 1.76 2.12 2.35 2.51 0.73 1.06 1.52 1.78 1.95 2.05

EPRBS 16T11 1.98 2.85 4.08 5.02 5.82 6.28 1.73 2.49 3.56 4.39 4.93 5.36 1.49 2.16 3.10 3.75 4.19 4.52 1.29 1.86 2.67 3.17 3.50 3.74

EPRBS 20T13 3.69 5.31 7.61 9.37 10.86 11.59 3.22 4.64 6.65 8.20 9.10 10.03 2.79 4.03 5.78 6.90 7.83 8.59 2.40 3.47 4.99 5.90 6.66 7.27

755

PRESSURE REGULATORSALCO ESR ELECTRONIC STEPPER REGULATORThe ESR is a direct driven suction regulator that uses a linear actu-ating bi-polar stepper motor to move the piston. The stepper motor is actuated by a voltage pulse to energize each of the motor phases and move the piston in discrete .001 inch increments. In individual cases, the ESR, along with appropriate control electronics, pro-vides state-of-the-art temperature control within less that ± 1° F of the desired setpoint temperature. The ESR is compatible with many control electronics widely available in the market today. Applications for the ESR include case control, line-up and rack mounted control, as well as transportation applications on refrigerated trucks, trailers and containers.

FEATURES

• No external sealing o-rings.

• Connections- 7/8 ODF (ESR 12)- 1-3/8 ODF (ESR 20)

• Removable external connector.

• Excellent repeatability.

• Corrosion resistant design.

• Solenoid tight shut-off.

NOMENCLATURE

ESR 12120 T 7/11 12/24 V NCELECTRIC POINT DIAMETER CONNECTION CONNECTION SIZE 12 VOLT/ NO EXTERNALSTEPPER IN 1/16″″″″ INCREMENTS T = ODF IN 1/8″″″″ INCREMENTS 24 VOLT CONNECTOR

REGULATOR ESR-12 = 3/4″″″″ DIA. 7 = 7/8″″″″ BIPOLAR STEPPERESR-20 = 1 1/4″″″″ DIA. 11 = 1 3/8″″″″ MOTOR

MTB-1 HAND-HELD STEPPER DRIVER

Alco Controls provides a hand-held stepper driver to allow the user to verify the Alco ESR (or ESV) responds properly to known driver com-mands. Compact and easy to use, the MTB-1 and a common multi-meter are the only tools required to completely troubleshoot any Alco electroni-cally driven product.

pg595E

ESR 12

pg595B

ESR 20

pg595C

SPECIFICATIONS

Operating temperatures:- Ambient: -40° F to 150° F- Refrigerant: -40° F to 140° F

Maximum working pressure: 500 psiLinear actuating bi-polar stepper motorDirect drive with no hysteresisTwo motors availableStep rate: 50 ± 10 steps per second

- 12 VDC- 24 VDC

Steps full travel:- 500 steps (ESR 12)- 800 steps (ESR 20) of rated voltage

Voltage tolerance: +10% and -15%.001 inch of linear travel per stepResistance (each phase): 29 ohms± 10% (12 V) or 116 ohms ± 10% (24 V)

ESR DIMENSIONAL DATA

756

PRESSURE REGULATORSALCO ESR ELECTRONIC STEPPER REGULATOR

ESR EXTENDED CAPACITIES IN TONS

R-22EVAPORATOR TEMPERATURE

45° 35°PRESSURE DROP (PSI) PRESSURE DROP (PSI)

0.5 1 2 3 5 8 10 0.5 1 2 3 5 8 10ESR 12 2.49 3.52 4.98 6.09 7.87 9.95 10.35 2.26 3.19 4.52 5.53 7.14 8.44 9.22ESR 20 7.0 9.9 14.0 17.14 22.13 28.0 29.38 6.35 8.98 12.7 15.56 20.08 23.93 26.24


0.5 1 2 3 5 8 10 0.5 1 2 3 5 8 10ESR 12 1.94 2.74 3.87 4.74 6.13 7.03 7.62 1.74 2.46 3.48 4.26 5.14 6.15 6.61ESR 20 5.45 7.71 10.9 13.35 17.23 20.03 21.82 4.89 6.92 9.79 11.99 14.58 17.59 19.03

0° -10°PRESSURE DROP (PSI) PRESSURE DROP (PSI)

0.5 1 2 3 5 8 10 0.5 1 2 3 5 8 10ESR 12 1.56 2.2 3.11 3.81 4.5 5.31 5.64 1.38 1.96 2.77 3.19 3.89 4.0 4.71ESR 20 4.37 6.19 8.75 10.72 12.8 15.26 16.37 3.89 5.5 7.78 9.04 11.13 13.05 13.82

-20° -30°PRESSURE DROP (PSI) PRESSURE DROP (PSI)

0.5 1 2 3 5 8 10 0.5 1 2 3 5 8 10ESR 12 1.22 1.73 2.45 2.76 3.32 3.72 3.81 1.08 1.52 2.02 2.36 2.77 2.87 2.93ESR 20 3.44 4.87 6.88 7.85 9.54 10.92 11.36 3.03 4.28 5.71 6.74 8.03 8.89 8.99

R-404A/507EVAPORATOR TEMPERATURE


0.5 1 2 3 5 8 10 0.5 1 2 3 5 8 10ESR 12 2.07 2.93 4.14 5.07 6.55 8.28 8.71 1.85 2.61 3.7 4.53 5.94 6.99 7.66ESR 20 5.82 8.25 11.65 14.27 18.42 23.3 24.68 5.2 7.35 10.4 12.73 16.44 19.77 21.74


0.5 1 2 3 5 8 10 0.5 1 2 3 5 8 10ESR 12 1.55 2.19 3.09 3.79 4.89 5.7 6.21 1.37 1.93 2.73 3.34 4.08 4.92 5.33ESR 20 4.35 6.15 8.7 10.66 13.76 16.21 17.72 3.84 5.43 7.68 9.41 11.56 14.04 15.27

0° -10°PRESSURE DROP (PSI) PRESSURE DROP (PSI)

0.5 1 2 3 5 8 10 0.5 1 2 3 5 8 10ESR 12 1.2 1.7 2.4 2.94 3.52 4.2 4.5 1.05 1.48 2.09 2.56 3.01 3.53 3.74ESR 20 3.37 4.77 6.74 8.26 10.0 12.03 12.99 2.94 4.16 5.89 7.21 8.56 10.16 10.87

-20° -30°PRESSURE DROP (PSI) PRESSURE DROP (PSI)

0.5 1 2 3 5 8 10 0.5 1 2 3 5 8 10ESR 12 0.91 1.28 1.81 2.08 2.53 2.9 3.02 .078 1.1 1.56 1.75 20.9 2.32 2.35ESR 20 2.55 3.61 5.1 5.9 7.24 8.43 8.89 2.2 3.11 4.39 4.98 6.02 6.83 7.06

757

PRESSURE REGULATORSALCO ESR ELECTRONIC STEPPER REGULATOR

ESR EXTENDED CAPACITIES IN TONS

R-134aEVAPORATOR TEMPERATURE


0.5 1 2 3 5 8 10 0.5 1 2 3 5 8 10ESR 12 1.93 2.73 3.86 4.73 5.75 6.92 7.46 1.72 2.43 3.44 4.21 5.03 5.97 6.39ESR 20 5.44 7.69 10.87 13.31 16.29 19.74 21.43 4.84 6.84 9.68 11.85 14.29 17.14 18.46


0.5 1 2 3 5 8 10 0.5 1 2 3 5 8 10ESR 12 1.43 2.03 2.87 3.31 4.04 4.67 4.89 1.26 1.78 2.52 2.85 3.43 3.85 3.95ESR 20 4.03 5.7 8.07 9.37 11.54 13.53 14.34 3.55 5.02 7.1 8.11 9.85 11.3 11.77

0°PRESSURE DROP (PSI)

0.5 1 2 3 5 8 10ESR 12 1.1 1.56 2.07 2.43 2.86 3.08 3.05ESR 20 3.11 4.39 5.87 6.93 8.28 9.19 9.32

ORDERING INFORMATION FOR ESR

DESCRIPTIONESR 12 T 7 12V NCESR 12 T 7 24V NCESR 20 T 11 12V NCESR 20 T 11 24V NC

ESR EXTERNAL MOLDED CONNECTOR 5′ESR EXTERNAL MOLDED CONNECTOR 22′

MTB-1 HAND HELD CONTROLLER

758

PRESSURE REGULATORSPARKER PRESSURE REGULATING VALVESFeatures

For R-22, R-502, R-404A, R-507 and other common refrigerants

• Pilot operated for close control at desired set point.

• Long life diaphragms. No bellows to fail.

• Lightweight and compact for easy handling.

• Sweat-in-place without disassembly for fast installation.

• In-line disassembly for fast service.

• Available with pilot electric shut-off or pilot electric wide opening.

• Excellent regulation at light load.

• Parabolic plug for precise regulation at reduced capacities.

A8 Series Features

• Available for inlet, outlet or differential pressure control function.

• Dual set spring for smooth response from 10″ hg to 400 psi.

• Low pressure drop — 1-1/2 psi at rated capacity — allows maximum com-pressor efficiency, saves energy.

• One valve handles high side or low side pressure control, reduces inventory.

• Controlled pressure remains constant within 1-1/2 psi of set point regardless of load fluctuations.

• Manual bypass opens regulator for quick pumpdown and ease in setting TXV superheat during startup.

• Furnished with access fitting for monitoring upstream system pressure.

• All servicing can be done with valve in line; A8’s required only top access.

• Interchangeable capacity cartridges for all A8’s.

• Stable drain control down to 20% of rated capacity when properly sized.

A9 Series Features

• External or internal equalizer available.

• A9 for outlet control function; high pressure difference applications.

P4130

P4131

P4132

Parker Type A8A5/8″ - 1-1/8″ ODS Connections

Parker Type A81S1-1/8″ - 2-1/8″ ODS Connections

Parker Type A821-5/8″ - 2-5/8″ ODS Connections

Selection Guide

REGULATOR TYPE FUNCTION APPLICATIONA8A/A81/A82 Control inlet pressure • Evaporator pressure regulator

• Discharge pressure regulator• Liquid drain regulator

A8AS/A81S/A82S Control inlet pressure with electric shutoff (defrost) • Evaporator pressure regulatorA8AB/A81B/A82B Control inlet pressure with wide opening (bypass) • Evaporator pressure regulator

• Discharge pressure regulatorA8AL/A81L/A82L Control differential pressure • Discharge pressure regulator

• Liquid supply regulator• Oil pressure regulator

A8ABL/A81BL/A82BL Control differential pressure with wide opening (bypass) • Discharge pressure regulator• Liquid supply regulator

759

PRESSURE REGULATORSPARKER PRESSURE REGULATING VALVES

Condenser Pressure Regulating Applications

P4133

Parker Type A81OE1-1/8″ - 2-1/8″ ODS Connections

P4134

Parker Type A9EExternally Equalized

5/8″, 7/8″ and 1-1/8″ ODS Connections

P4135

Parker Type A9SEExternally Equalized with Pilot Solenoid5/8″, 7/8″ and 1-1/8″ ODS Connections

Fig. 1 — Liquid Drain Control Method

Fig. 2 — Discharge Gas Control Method

Sizing Guide for Condenser Applications

Size valve by effective port size.

For Liquid Drain Regulator Applications (Fig. 1)Conditions: 3 psi Pressure Drop

For Discharge Regulator Applications (Fig. 2)Conditions: 5 psi Pressure Drop

For Conductor Bypass Regulator Applications (Fig. 1 and 2)Conditions: 0° F Ambient 10 psi Pressure Drop

For Alternate Condenser Bypass Regulator(Range “A” Only) Applications (Fig. 1 and 2)Conditions: 0° F Ambient 10 psi Pressure Drop

Type EffectivePort (in.)

U.S. Capacity in TonsR-12 R-22 R-502

A8A 5/8 Reduced 5.4 7.4 4.6A8A 5/8 Full 12.0 16.0 10.0A8A 7/8 18.0 25.0 16.0A81 7/8 18.0 25.0 16.0A81 1-1/8 29.0 40.0 25.0A81 1-3/8 41.0 55.0 35.0A82 1-5/8 66.0 88.0 55.0A82 2-1/8 98.0 130.0 83.0A82 2-5/8 130.0 173.0 110.0



A8A 5/8 Reduced 1.4 2.2 1.5A8A 5/8 Full 3.0 5.0 3.3A8A 7/8 4.7 7.6 5.1A81 7/8 4.7 7.6 5.1A81 1-1/8 7.5 12.0 8.1A81 1-3/8 10.0 17.0 11.0A82 1-5/8 17.0 26.0 19.0A82 2-1/8 25.0 39.0 28.0A82 2-5/8 33.0 52.0 37.0



A9 5/8 Reduced 3.0 4.7 2.8A9 5/8 Full 9.0 14.0 8.4A9 7/8 13.0 20.0 12.0A9 1-1/8 14.0 22.0 13.0



A8AL 5/8 Reduced 7.9 12.0 7.5A8AL 5/8 Full 17.0 27.0 13.0A8AL 7/8 27.0 42.0 26.0A81L 7/8 27.0 42.0 26.0A81L 1-1/8 43.0 66.0 40.0A81L 1-3/8 60.0 93.0 56.0A82L 1-5/8 95.0 147.0 90.0A82L 2-1/8 143.0 221.0 135.0A82L 2-5/8 190.0 292.0 180.0

NOTES: All capacities are in terms of cooling effect at evapora-tor, not heat rejected at condenser - CANNOT READ REST of manuscript page.

760

EVAPORATOR PRESSURE REGULATORS

PARKER (S)PORT, (S)PORT IIPorts 9 mm (3/8″″″″) to 35 mm (2-1/8″″″″) Nominal

Features

• Pilot operated for close control at desired set point.

• Excellent regulation at light loads.

• Interchangeable capacity cartridges.

• Low pressure drop.

• Few moving parts.

• Long-life stainless steel diaphragms (no bellows to fail).

• Variations available for pilot electric shutoff and shutoff with electric wide-opening (bypass).

• Manual opening feature (except (S)PORT-B version).

• All service from the top.

• Sweat-in-place without disassembly.

• Furnished with access fitting.

• UL listed (except 50 hertz versions).

• Full open operates at less than 1 psig.

Specifications

• Design pressure (M.R.P.): 31.0 bar (450 psig).

• Range: 250 mm hg to 8.3 bar (10″ hg to 120 psig).

• Connections: 7/8″, 1-1/8″, 1-3/8″, 1-5/8″, 2-1/8″, 2-5/8″.

P4136

(S)PORT-7-9

761


PARKER (S)PORT, (S)PORT II

ParkerInlet Pressure “Tap”

or FittingPort Size in eights

(ex: 7 = 7/8″)

↓ ↓ ↓

↑ ↑ ↑ ↓ ↑ElectricShut-Off

Open on Riseof Inlet Pressure

Bypass Featureor Wide Opening

Connection Size in eights

(ex: 11 = 1-3/8″ ODS

S P OR T B 7 11

Available Port Sizes: 3/8″, 5/8″, 7/8″, 1-1/8″,. 1-3/8″, 1-5/8″, 2-1/8″, 2-5/8″Available Connection Sizes: 7/8″, 1-1/8″, 1-3/8″, 1-5/8″, 2-1/8″, 2-5/8″

Selection ProcedureThis brochure has been developed for easy sizing and selection of the (S)PORT valve. Valve operation and parts information is available in the (S)PORT product Bulletin 26-01.

Selecting the proper port size EPR valve is relatively easy when using the capacity tables. Certain basic information must be known and some specific steps should be followed to ensure accurate port size selection. The following guidelines have been provided to help make the selection process simple.

Coil Voltages:(24/60 24/50) (120/60 110/50) (240/60 220/50) (480/60 440/50)

Specific operating conditions need to be known:

1. What is the refrigerant being used?

2. What is the medium flowing through the valve?(Suction vapor, hot gas, sub-cooled liquid, etc.).

3. How much is flowing through the valve?(Tons, btu/hr, MBH).

4. What is the valve inlet pressure or temperature?

5. What is the valve outlet pressure or temperature?

6. What is the liquid temperature to the evaporator?

Once the preceding information is known, a selection from the capacity table can be made.

(S)PORT Selection Table R-404A Low Temperature

NOTE: Capacities are based on 100° F liquid, saturated evaporator and 10° F superheat at valve inlet (per ARI 770-84).

For each 10° F liquid is below 100° F, INCREASE capacity values by 6%.

Effective Port Size (in.)(Port size designation in model #)

3/8(3)

5/8(5)

7/8(7)

1-1/8(9)

1-3/8(11)

1-5/8(13)

2-1/8(17)

Compr. RackSuction Temp (°F)

Case EvapTemp (°F) Valve Capacities — MBH

-10

+20 27.00 59.40 91.80 145.8 203.4 324.0 486.0+15 23.07 50.76 78.45 124.6 173.8 276.9 415.3+10 19.33 42.52 65.71 104.4 145.6 231.9 347.9

+5 15.67 34.48 53.29 84.6 118.1 188.1 282.10 11.99 26.38 40.77 64.8 90.3 143.9 215.9

-10 2.60 5.72 8.83 14.0 19.6 31.2 46.8

-20

+20 25.69 56.52 87.35 138.7 193.5 308.3 462.4+10 21.88 48.13 74.39 118.1 164.8 262.5 393.8

0 15.56 34.24 52.92 84.0 117.2 186.8 280.1-10 9.59 21.09 32.60 51.8 72.2 115.0 172.6-15 6.33 13.92 21.51 34.2 47.7 75.9 113.9-20 2.24 4.94 7.63 12.1 16.9 26.9 40.4

-25

+10 20.57 45.24 69.92 111.1 154.9 246.8 370.20 16.70 36.73 56.77 90.2 125.8 200.4 300.5

-10 11.23 24.70 38.17 60.6 84.6 134.7 202.1-15 8.54 18.79 29.03 46.1 64.3 102.5 153.7-20 5.63 12.38 19.13 30.4 42.4 67.5 101.3-25 2.08 4.58 7.08 11.2 15.7 25.0 37.5

-30

+10 20.57 45.24 69.92 111.1 154.9 246.8 370.20 16.31 35.87 55.44 88.1 122.8 195.7 293.5

-10 12.40 27.29 42.17 67.0 93.4 148.8 223.2-20 7.58 16.67 25.76 40.9 57.1 90.9 136.4-25 4.99 10.97 16.95 26.9 37.6 59.8 89.7-30 1.93 4.24 6.55 10.4 14.5 23.1 34.7

-40

0 16.30 35.87 55.44 88.1 122.8 195.7 293.5-10 12.79 28.13 43.47 69.0 96.3 153.4 230.1-20 9.75 21.46 33.17 52.7 73.5 117.1 175.6-25 7.83 17.23 26.62 42.3 59.0 94.0 140.9-30 5.92 13.02 20.12 32.0 44.6 71.0 106.5-35 3.88 8.53 13.18 20.9 29.2 46.5 69.8-40 1.64 3.60 5.57 8.8 12.3 19.6 29.5

762


DANFOSS EVAPORATOR PRESSURE REGULATORSINTRODUCTIONKVP evaporator pressure regulators are mounted in the suction line of refrigeration and air conditioning systems.

They are used to maintain a constant pressure corresponding to a constant temperature on the evaporator.

They also protect against too low an evaporating pressure by throttling down when pressure falls below the set value.

They are also used to differentiate the evaporating pressures in two or more evaporators in systems with one compressor.

FEATURES• Accurate, adjustable pressure regulation.• Wide capacity and operating range.• Pulsation damping design.• Stainless steel bellows.• Compact angle design for easy installation in any position.• “Hermetic" brazed construction.• 1/4 in. Schrader valve for pressure testing.• Available with flare and ODF solder connections.• For use with CFC, HCFC and HFC refrigerants.

APPROVALSUL listed, file SA7200.

CSA approved.

TECHNICAL DATA

Refrigerants: CFC, HCFC, HFC

Regulation range: 0 to 80 psigFactory setting = 29 psig

Maximum working pressure: MWP = 200 psig

Maximum test pressure: KVP 12 to 22: p′ = 410 psigKVP 28 to 35: p′ = 370 psig

Maximum temperature of medium: 212° F*

Minimum temperature of medium: – 40° F*

P band (full valve stroke): KVP 12 to 22 = 26 psiKVP 28 to 35 = 40 psi

*If the Schrader valve cone is removed and the connector is sealed with cap and nut, the maximum temperature is 300° F and the minimum temperature is – 330° F.

P4311A

P4311

763


DANFOSS EVAPORATOR PRESSURE REGULATORSORDERING

*Rated capacity is based on:Evaporating temperature te = 40° FCondensing temperature tc = 100° FPressure drop across regulator ∆p = 2 psiOffset (design evaporating pressure minus minimum allowable evaporator pressure) = 9 psi.

†KVP supplied without flare nuts. Separate flare nuts can be supplied:1/2 in., code no. 011L11035/8 in., code no. 011L1167

NOTE: The connection dimensions chosen must not be too small, as gas velocities in excess of130 ft/s at the inlet of the regulator can result in flow noise.

CAPACITY

*The capacities are based on:

Liquid temperature ahead of expansion valve tl = 100° FRegulator offset ∆p = 9 psi

TYPERATED CAPACITY* (Tons) FLARE CONNECTION† SOLDER CONNECTION

R-22 R-134a R-404A/R-507 R-407C in. Code No in. ODF Code No.KVP 12 1.3 0.9 1.2 1.2 1/2 034L0021 1/2 034L0023KVP 15 1.3 0.9 1.2 1.2 5/8 034L0022 5/8 034L0029KVP 22 1.3 0.9 1.2 1.2 7/8 034L0025KVP 28 2.8 1.9 2.4 2.6 1-1/8 034L0026KVP 35 2.8 1.9 2.4 2.6 1-3/8 034L0032

Maximum Regulator Capacity Qe* R-22

TYPEPRESSURE DROP

ACROSS REGULATOR∆∆∆∆p psi

CAPACITY Qe IN TONS AT EVAPORATING TEMPERATURE te °F

–20 –10 0 10 20 30 40 50 60 70

KVP 12 2 0.6 0.7 0.8 0.9 1.0 1.2 1.3 1.4 1.5 1.7KVP 15 4 0.9 1.0 1.1 1.3 1.4 1.6 1.8 2.0 2.2 2.4KVP 22 6 1.0 1.2 1.3 1.5 1.7 1.9 2.2 2.4 2.6 2.9

10 1.1 1.4 1.6 1.9 2.1 2.4 2.7 3.0 3.3 3.620 1.1 1.4 1.8 2.2 2.6 3.0 3.5 3.9 4.4 4.9

KVP 28 2 1.4 1.6 1.8 2.0 2.3 2.5 2.8 3.1 3.4 3.7KVP 35 4 1.9 2.2 2.5 2.8 3.1 3.5 3.9 4.3 4.7 5.2

6 2.1 2.5 2.9 3.3 3.8 4.2 4.7 5.2 5.7 6.310 2.4 2.9 3.5 4.0 4.6 5.2 5.8 6.5 7.2 7.920 2.4 3.0 3.8 4.7 5.6 6.6 7.5 8.5 9.6 10.6

Maximum Regulator Capacity Qe* R-134a

TYPEPRESSURE DROP



10 20 30 40 50 60 70

KVP 12 2 0.6 0.7 0.8 0.9 1.0 1.1 1.2KVP 15 4 0.8 0.9 1.0 1.2 1.3 1.5 1.7KVP 22 6 0.9 1.0 1.2 1.4 1.6 1.8 2.0

10 1.0 1.2 1.5 1.7 2.0 2.2 2.520 1.0 1.3 1.6 2.0 2.4 2.8 3.3

KVP 28 2 1.3 1.5 1.7 1.9 2.1 2.4 2.6KVP 35 4 1.7 2.0 2.3 2.6 2.9 3.3 3.6

6 2.0 2.3 2.7 3.1 3.5 3.9 4.410 2.2 2.7 3.2 3.7 4.3 4.9 5.520 2.2 2.8 3.5 4.4 5.2 6.1 7.1

764


DANFOSS EVAPORATOR PRESSURE REGULATORSCAPACITY (cont)

*The capacities are based on:

Liquid temperature ahead of expansion valve tl = 100° FRegulator offset ∆p = 9 psi

Correction factors for liquid temperature tl

Correction factors for offset

Maximum Regulator Capacity Qe* R-404A and R-507

TYPEPRESSURE DROP



–30 –20 –10 0 10 20 30 40 50 60 70

KVP 12 2 0.5 0.5 0.6 0.7 0.8 0.9 1.1 1.2 1.3 1.4 1.5KVP 15 4 0.6 0.7 0.8 0.9 1.1 1.3 1.4 1.6 1.8 1.9 2.2KVP 22 6 0.7 0.8 1.0 1.1 1.3 1.5 1.7 1.9 2.1 2.4 2.6

10 0.8 1.0 1.2 1.3 1.6 1.9 2.0 2.4 2.8 3.0 3.420 0.8 1.0 1.3 1.6 1.9 2.3 2.7 3.2 3.6 4.1 4.5

KVP 28 2 1.0 1.1 1.3 1.5 1.8 2.0 2.2 2.4 2.8 3.0 3.4KVP 35 4 1.3 1.5 1.8 2.0 2.4 2.7 3.1 3.4 3.9 4.3 4.8

6 1.5 1.8 2.1 2.4 2.9 3.2 3.7 4.1 4.7 5.1 5.710 1.7 2.1 2.5 2.9 3.5 4.1 4.6 5.2 5.9 6.5 7.220 1.7 2.1 2.7 3.4 4.3 5.2 5.9 6.8 7.8 8.8 9.8

Maximum Regulator Capacity Qe* R-407C

TYPEPRESSURE DROP



–20 –10 0 10 20 30 40 50 60 70

KVP 12 2 0.5 0.6 0.7 0.8 0.9 1.0 1.2 1.3 1.4 1.7KVP 15 4 0.7 0.9 0.9 1.1 1.2 1.4 1.7 1.9 2.1 2.3KVP 22 6 0.8 1.0 1.1 1.3 1.5 1.7 2.0 2.3 2.5 2.8

10 0.9 1.1 1.4 1.6 1.9 2.2 2.5 2.8 3.1 3.520 0.9 1.1 1.5 1.9 2.3 2.7 3.2 3.7 4.2 4.8

KVP 28 2 1.1 1.3 1.5 1.7 2.0 2.3 2.6 2.9 3.2 3.6KVP 35 4 1.5 1.8 2.1 2.4 2.7 3.2 3.6 4.0 4.5 5.0

6 1.7 2.1 2.5 2.8 3.3 3.8 4.3 4.9 5.4 6.110 1.9 2.4 3.0 3.4 4.0 4.7 5.3 6.1 6.8 7.720 1.9 2.5 3.2 4.0 4.9 5.9 6.9 8.0 9.1 10.3

tl °F 50 60 70 80 90 100 110 120R-22 0.82 0.85 0.88 0.92 0.96 1.0 1.05 1.10

R-134a 0.79 0.82 0.86 0.90 0.95 1.0 1.06 1.13R-404A/R-507 0.71 0.75 0.80 0.85 0.92 1.0 1.10 1.24

R-407C 0.78 0.81 0.85 0.89 0.94 1.0 1.07 1.15

OFFSET PSI 3 6 9 12 15 18 21KVP 12KVP 15 2.5 1.4 1 0.77 0.67 0.59KVP 22KVP 28 1.4 1 0.77 0.67 0.59 0.53KVP 35

765


DANFOSS EVAPORATOR PRESSURE REGULATORSDimensions and Weights

P4311B

TYPECONNECTION

NV1

(in.)NV2

(in.)H1

(in.)H2

(in.)H3

(in.)B1

(in.)B2

(in.)C

(in.)DIA. D

(in.)WEIGHT

(lbs)Flare(in.)

Solder ODF(in.)

KVP 12 1/2 1/2 0.748 0.945 7.047 3.898 2.598 2.520 1.614 0.394 1.181 0.9KVP 15 5/8 5/8 0.748 0.945 7.047 3.898 2.598 2.520 1.614 0.472 1.181 0.9KVP 22 7/8 0.945 0.945 7.047 3.898 2.598 2.520 1.614 0.669 1.181 0.9KVP 28 1-1/8 0.945 0.945 10.197 5.945 4.055 4.134 1.890 0.787 1.693 2.0KVP 35 1-3/8 10.197 5.945 4.055 4.134 1.890 0.984 1.693 2.0

766

CONDENSER PRESSURE REGULATORS

DANFOSS CONDENSER PRESSURE REGULATORSINTRODUCTIONKVR condenser regulators can be mounted in either the gas or liquid side of the condenser in refrigeration and air conditioning systems. They are used to maintain a constant and sufficiently high condensing pressure with systems using air-cooled condensers.

They can also be used with valve types NRD or KVD to assure that adequate pressure is maintained on the receiver.

FEATURES• Accurate, adjustable pressure regulation

• Wide capacity and operating range

• Pulsation damping design

• Stainless steel bellows

• Compact angle design for easy installation in any position

• "Hermetic" brazed construction

• 1/4-in. Schrader valve for pressure testing

• Available with flare and ODF solder connections

• For use with CFC, HCFC and HFC refrigerants

• Can be used as a relief valve from high pressure to suction side

APPROVALSUL listed, file SA7200.CSA approved.

TECHNICAL DATARefrigerants: CFC, HCFC, HFC

Regulation range: 70 to 250 psig

Factory setting = 145 psig

Maximum working pressure: KVR: MWP = 400 psigNRD: MWP = 400 psig

Maximum test pressure: KVR: p' = 450 psigNRD: p' = 530 psig

Maximum temperature of medium: KVR: 212° F*NRD: 275° F

Minimum temperature of medium: – 40° F

P band (full valve stroke): KVR 12 to 22: 90 psiKVR 28 to 35: 72.5 psi

Opening differential pressure for NRD: Fully open: ∆p = 43 psi

*If the Schrader valve cone is removed and the connector is sealed with cap and nut, the maximum temperature is 265° F.

P4312

P4312A

767


DANFOSS CONDENSER PRESSURE REGULATORSCAPACITY

*The capacities are based on:Evaporating temperature te = 40° FFor other evaporating temperatures, see correction table.

Correction Factors (Evaporating Temperature)

System capacity x correction factor = table capacity.

Maximum regulator capacity Qe*

TYPECONDENSING

TEMPERATURE tc(°F)

LIQUID CAPACITY IN TONS (Evaporator Capacity) HOT GAS CAPACITY IN TONS (Evaporator Capacity)Offset 45 psi Offset 45 psi

Pressure Drop ∆∆∆∆ psi Pressure Drop ∆∆∆∆p psi1.5 3 6 10 25 1.5 3 6 10 25

R-22 R-22KVR 12 50 13.1 17.6 25.2 32.9 52.6 1.81 2.47 3.52 4.51 6.86KVR 15 70 11.9 16.0 23.0 30.0 48.0 1.92 2.62 3.75 4.83 7.44KVR 22 90 10.6 14.4 20.8 27.0 43.2 2.04 2.76 3.96 5.12 7.94

110 9.2 12.7 18.4 23.9 38.2 2.13 2.89 4.13 5.36 8.34130 7.8 11.0 16.0 20.7 33.1 2.20 2.98 4.27 5.54 8.64

KVR 28 50 33.5 45.0 64.4 84.2 134.6 4.77 6.50 9.31 11.95 18.15KVR 35 70 30.4 41.1 58.9 76.8 122.8 5.11 6.93 9.92 12.79 19.66

90 27.1 37.0 53.2 69.2 110.6 5.42 7.34 10.48 13.54 20.98110 23.6 32.6 47.2 61.3 97.8 5.67 7.65 10.93 14.16 22.06130 20.0 28.0 40.9 53.0 84.6 5.79 7.83 11.23 14.60 22.85

Maximum regulator capacity Qe*

TYPECONDENSING

TEMPERATURE tc(°F)

LIQUID CAPACITY IN TONS (Evaporator Capacity) HOT GAS CAPACITY IN TONS (Evaporator Capacity)Offset 45 psi Offset 45 psi

Pressure Drop ∆∆∆∆ psi Pressure Drop ∆∆∆∆p psi1.5 3 6 10 25 1.5 3 6 10 25

R-134a R-134aKVR 12 50 12.0 16.9 24.0 31.0 49.1 1.40 1.97 2.75 3.50 5.15KVR 15 70 11.9 16.0 23.0 30.0 48.0 1.92 2.62 3.75 4.83 7.44KVR 22 90 9.6 13.6 19.2 24.8 39.3 1.50 2.12 2.97 3.80 5.75

110 8.4 11.8 16.7 21.6 34.2 1.53 2.15 3.03 3.87 5.92130 7.1 10.0 14.2 18.3 29.0 1.52 2.14 3.01 3.86 5.95

KVR 28 50 30.7 43.4 61.3 79.2 126.0 3.72 5.24 7.31 9.26 13.60KVR 35 70 27.6 39.1 55.3 71.4 113.0 3.87 5.44 7.63 9.71 14.49

90 24.5 34.7 49.1 63.4 100.0 3.99 5.62 7.89 10.07 15.22110 21.4 30.2 42.8 55.3 87.5 4.06 5.71 8.04 10.28 15.69130 18.1 25.6 36.3 46.9 74.2 4.03 5.68 8.00 10.25 15.77

R-404A/R-507 R-404A/R-507KVR 12 50 9.2 12.4 17.6 23.0 37.0 1.63 2.09 2.99 3.84 5.87KVR 15 70 8.1 10.9 15.7 20.4 32.7 1.60 2.17 3.10 4.00 6.17KVR 22 90 7.0 9.6 13.8 17.9 28.7 1.65 2.25 3.21 4.15 6.45

110 5.9 8.2 11.8 15.4 24.5 1.68 2.28 3.27 4.24 6.60130 4.8 6.8 10.0 13.0 20.6 1.69 2.31 3.34 4.34 6.78

KVR 28 50 23.6 31.7 45.2 59.0 94.5 4.06 5.52 7.89 10.15 15.48KVR 35 70 20.8 27.9 40.1 52.2 83.6 4.24 5.74 8.20 10.58 16.32

90 17.9 24.5 35.2 45.9 73.4 4.41 5.96 8.50 10.99 17.06110 15.1 20.9 30.3 39.3 62.7 4.88 6.06 8.66 11.22 17.49130 12.3 17.4 25.7 33.1 52.7 4.49 6.12 8.82 11.45 17.92

R-407C R-407CKVR 12 50 4.2 19.0 27.2 35.5 56.8 1.96 2.67 3.80 4.87 7.41KVR 15 70 12.9 17.3 24.8 32.4 51.8 2.07 2.83 4.05 5.22 8.04KVR 22 90 11.5 15.6 22.5 29.2 46.7 2.20 2.98 4.28 5.53 8.58

110 10.0 13.8 20.1 26.1 41.6 2.32 3.15 4.50 5.84 9.09130 8.6 12.1 17.6 22.8 36.4 2.42 3.28 4.70 6.09 9.50

KVR 28 50 36.2 48.6 69.6 90.9 145.4 5.15 7.02 10.06 12.91 19.60KVR 35 70 32.8 44.4 63.6 82.9 132.6 5.52 7.48 10.71 13.81 21.23

90 29.3 40.0 57.5 74.7 119.5 5.85 7.93 11.32 16.62 22.66110 25.7 35.5 51.5 66.8 106.6 6.18 8.34 11.91 15.43 24.05130 22.0 30.8 45.0 58.3 93.1 6.37 8.61 12.35 16.06 25.14

te °F -40 -20 0 20 40 50R-22 0.89 0.92 0.95 0.97 1.0 1.02

R-134a 0.82 0.86 0.91 0.96 1.0 1.04R-404A 0.76 0.82 0.88 0.94 1.0 1.05R-407C 0.83 0.87 0.92 0.96 1.0 1.04R-507 0.74 0.81 0.88 0.94 1.0 1.06

768


DANFOSS CONDENSER PRESSURE REGULATORSDIMENSIONS AND WEIGHTS

TYPECONNECTIONS (in.) NV1

(in.)NV2

(in.)H1

(in.)H2

(in.)H3

(in.)L

(in.)L1

(in.)B1

(in.)B2

(in.)C

(in.)DIA. D

(in.)WEIGHT

(lbs)Flare Solder ODF

KVR 12 1/2 1/2 0.748 0.945 7.045 3.898 2.598 2.520 1.614 0.394 1.181 0.88

KVR 15 5/8 5/8 0.945 0.945 7.045 3.898 2.598 2.520 1.614 0.472 1.181 0.88

KVR 22 7/8 7.045 3.898 2.598 2.520 1.614 0.669 1.181 0.88

KVR 28 1-1/8 10.197 5.945 4.055 4.134 1.890 0.787 1.693 2.20

KVR 35 1-3/8 10.197 5.945 4.055 4.134 1.890 0.984 1.693 2.20

NRD 1/2 5.157 0.394 0.866 0.22

P4312B

769

HOT GAS BYPASS CAPACITY REGULATORS

DANFOSS HOT GAS BYPASS CAPACITY REGULATORS

ORDERING

*Rated capacity is based on:Suction gas temperature ts = 10° FLiquid temperature tl = 100° FOffset ∆∆∆∆p = 10 psi

†KVC are delivered without flare nuts. Separate flare nuts can be sup-plied: 1/2 in. code no. 011L1103; 5/8 in. code no. 011L1167.

NOTE: The connection dimensions chosen must not be too small, as gas velocities in excess of 130 ft/s at the inlet of the regulator can result in flow noise.

If the temperature in the discharge gas line is too high according to the compressor specifications, it is recommended to install a liquid injection valve in a bypass from the liquid line to the suction line.

TYPERATED CAPACITY* (Tons) FLARE CONNECTION† SOLDER CONNECTION

R-22 R-134a R-404A/R-507 R-407C in. Code No. in. ODF Code No.KVC 12 2.14 1.36 2.02 2.31 1/2 034L0141 1/2 034L0143KVC 15 4.17 2.65 3.93 4.50 5/8 034L0142 5/8 034L0147KVC 22 5.35 3.41 5.04 5.78 7/8 034L0144

INTRODUCTIONKVC capacity regulators are used to adapt compressor capacity to actual evaporator load by supplying a replacement capacity in form of hot/cool gas.

It is installed in a bypass line between the high and low pressure sides of the refrigeration system and is designed for direct gas injection into the suction line.

FEATURES• Accurate, adjustable pressure regulation.

• Wide capacity and operating range.

• Pulsation, damping design.

• Stainless steel bellows.

• Compact angle design for easy installation.

• “Hermetic” brazed construction.

• Available with flare and ODF solder connections.

• For CFC, HCFC and HFC refrigerants.

APPROVALSUL listed, file SA7200.CSA approved.



Maximum working pressure: MWP = 400 psig

Maximum test pressure: p' = 450 psig

Maximum temperature of medium: 300° F


Maximum P-band: 29 psi

P4313

P4313A

P4313B

770


DANFOSS HOT GAS BYPASS CAPACITY REGULATORSREPLACEMENT CAPACITY

*The capacities are based on: Liquid temperature ahead of the expansion valve tl = 100 °F.

Correction factors for liquid temperature tlWhen liquid temperature tl ahead of the evaporator is other than 100° F, adjust the table capacities bymultiplying them by the appropriate correction factor found in the following table.


Maximum Regulator Capacity Qe*

TYPE OFFSET∆∆∆∆p psi

REGULATOR CAPACITY Q TONS SUCTION GAS TEMPERATURE ts AFTER PRESSURE/TEMPERATURE REDUCTION °F

–50 –40 –25 –10 10 30 50

R-22KVC 12 1.5 0.68 0.70 0.71 0.73 0.75 0.77

2.0 0.93 0.95 0.97 1.00 1.03 1.053.0 1.33 1.36 1.39 1.43 1.47 1.515.0 1.75 1.79 1.83 1.88 1.93 1.987.5 1.93 1.97 2.01 2.07 2.12 2.18

10.0 2.00 2.04 2.08 2.14 2.20 2.2615.0 2.19 2.24 2.28 2.35 2.41 2.4820.0 2.62 2.67 2.72 2.80 2.87 2.94

KVC 15 1.5 1.01 1.03 1.06 1.09 1.12 1.152.0 1.20 1.23 1.25 1.29 1.32 1.353.0 1.73 1.77 1.80 1.85 1.90 1.955.0 2.64 2.69 2.75 2.83 2.90 2.987.5 3.39 3.46 3.54 3.63 3.73 3.83

10.0 3.90 3.98 4.06 4.17 4.28 4.3915.0 4.76 4.66 4.75 4.88 5.01 5.1420.0 5.05 5.16 5.27 5.42 5.57 5.72

KVC 22 1.5 1.09 1.12 1.14 1.17 1.21 1.242.0 1.38 1.41 1.44 1.48 1.52 1.563.0 1.89 1.93 1.97 2.02 2.07 2.125.0 2.88 2.94 3.00 3.08 3.16 3.247.5 4.02 4.11 4.19 4.31 4.43 4.54

10.0 4.98 5.09 5.20 5.35 5.50 5.6415.0 6.35 6.49 6.63 6.82 7.01 7.2020.0 7.10 7.25 7.40 7.60 7.79 7.99

R-134aKVC 12 1.5 0.41 0.43 0.46 0.48 0.50

2.0 0.58 0.60 0.62 0.66 0.703.0 0.83 0.86 0.91 0.95 1.005.0 1.09 1.14 1.20 1.25 1.317.5 1.20 1.25 1.31 1.37 1.4410.0 1.25 1.30 1.36 1.42 1.4915.0 1.36 1.42 1.49 1.56 1.6320.0 1.62 1.69 1.78 1.86 1.94

KVC15 1.5 0.62 0.65 0.68 0.72 0.762.0 0.74 0.78 0.82 0.86 0.903.0 1.08 1.13 1.18 1.24 1.285.0 1.64 1.72 1.79 1.87 1.967.5 2.12 2.21 2.30 2.41 2.5110.0 2.45 2.54 2.65 2.77 2.8815.0 2.87 2.96 3.11 3.25 3.4020.0 3.13 3.26 3.44 3.61 3.79

KVC 22 1.5 0.67 0.70 0.73 0.78 0.822.0 0.86 0.90 0.94 0.97 1.023.0 1.18 1.22 1.28 1.33 1.395.0 1.80 1.86 1.96 2.04 2.127.5 2.52 2.62 2.74 2.87 2.9910.0 3.13 3.25 3.41 3.55 3.7115.0 4.00 4.15 4.34 4.54 4.7420.0 4.43 4.61 4.82 5.05 5.28

tl °F 60 70 80 90 100 110 120

R-22 0.60 0.71 0.80 0.90 1.0 1.11 1.22R-134a 0.60 0.70 0.80 0.90 1.0 1.10 1.21

771


DANFOSS HOT GAS BYPASS REGULATORSREPLACEMENT CAPACITY

*The capacities are based on: Liquid temperature ahead of the expansion valvetl = 100 °F.

Correction factors for liquid temperature tlWhen liquid temperature tl ahead of the evaporator is other than 100° F, adjust the table capacities by multiplying them by the appropriate correction factor found in the following table.


Maximum Regulator Capacity Qe*

TYPE OFFSET∆∆∆∆p psi

REGULATOR CAPACITY Q TONS SUCTION GAS TEMPERATURE ts AFTER PRESSURE/TEMPERATURE REDUCTION °F–50 –40 –25 –10 10 30 50

R-404A/R-507KVC 12 1.5 0.57 0.58 0.62 0.64 0.67 0.70 0.74

2.0 0.79 0.81 0.85 0.88 0.92 0.97 1.013.0 1.16 1.19 1.23 1.28 1.34 1.40 1.465.0 1.54 1.58 1.64 1.69 1.77 1.85 1.937.5 1.68 1.73 1.79 1.86 1.96 2.05 2.13

10.0 1.74 1.78 1.85 1.93 2.02 2.11 2.2115.0 1.89 1.94 2.01 2.10 2.20 2.31 2.4120.0 2.27 2.33 2.42 2.51 2.62 2.74 2.85

KVC 15 1.5 0.86 0.89 0.92 0.96 1.01 1.06 1.102.0 1.05 1.07 1.11 1.16 1.21 1.27 1.323.0 1.51 1.55 1.61 1.66 1.74 1.82 1.905.0 2.29 2.34 2.44 2.53 2.65 2.77 2.897.5 2.94 3.01 3.14 3.26 3.42 3.58 3.74

10.0 3.38 3.47 3.61 3.75 3.93 4.11 4.3015.0 3.95 4.06 4.22 4.39 4.61 4.82 5.0420.0 4.36 4.48 4.66 4.85 5.09 5.34 5.58

KVC 22 1.5 0.92 0.96 0.99 1.02 1.08 1.12 1.182.0 1.19 1.22 1.27 1.31 1.38 1.44 1.513.0 1.71 1.75 1.83 1.89 1.98 2.08 2.175.0 2.63 2.71 2.81 2.92 3.06 3.20 3.347.5 3.58 3.67 3.82 3.96 4.17 4.35 4.54

10.0 4.33 4.46 4.63 4.81 5.04 5.28 5.5115.0 5.49 5.64 5.86 6.08 6.39 6.69 6.9920.0 6.31 6.49 6.74 7.01 7.35 7.70 8.04

R-407CKVC 12 1.5 0.73 0.76 0.77 0.79 0.81 0.83

2.0 1.00 1.03 1.05 1.08 1.11 1.133.0 1.44 1.47 1.50 1.54 1.59 1.635.0 1.89 1.93 1.98 2.03 2.08 2.147.5 2.08 2.13 2.17 2.24 2.29 2.35

10.0 2.16 2.20 2.25 2.31 2.38 2.4415.0 2.37 2.42 2.46 2.54 2.60 2.6820.0 2.83 2.88 2.94 3.02 3.10 3.18

KVC15 1.5 1.09 1.11 1.14 1.18 1.21 1.242.0 1.30 1.33 1.35 1.39 1.43 1.463.0 1.87 1.91 1.94 2.00 2.05 2.115.0 2.85 2.91 2.97 3.06 3.13 3.227.5 3.66 3.74 3.82 3.92 4.03 4.14

10.0 4.21 4.30 4.38 4.50 4.62 4.7415.0 4.92 5.03 5.13 5.27 5.41 5.5520.0 5.45 5.57 5.69 5.85 6.02 6.18

KVC 22 1.5 1.18 1.21 1.23 1.26 1.31 1.342.0 1.49 1.52 1.56 1.60 1.64 1.683.0 2.04 2.08 2.13 2.18 2.24 2.295.0 3.11 3.18 3.24 3.33 3.41 3.507.5 4.34 4.44 4.53 4.65 4.78 4.90

10.0 5.38 5.50 5.62 5.78 5.94 6.0915.0 6.86 7.01 7.16 7.37 7.57 7.7820.0 7.67 7.83 7.99 8.21 8.41 8.63

tl °F 60 70 80 90 100 110 120

R-404A/R-507 0.69 0.79 0.87 0.94 1.0 1.05 1.09

R-407C 0.66 0.74 0.82 0.91 1.0 1.09 1.17

SIZINGFor optimum performance, it is important to select a KVC valve according to system conditions and application.

The following data must be used when sizing a KVC valve:• Refrigerant: CFC, HCFC or HFC.• Suction temperature at maximum compressor/evaporator load

ts in °F/psig.

• Minimum suction temperature ts in °F/psig.• Compressor capacity in tons.• Evaporating load in tons.• Liquid temperature ahead of expansion valve tl in °F.• Connection type flare or solder.• Connection size in inches.

772

CRANKCASE PRESSURE REGULATORS

DANFOSS CRANKCASE PRESSURE REGULATORS

P4314A

P4314

INTRODUCTIONKVL crankcase pressure regulators are used to protect the com-pressor motor against overload experienced during startup after long off periods or just after defrost periods.

They are installed in the suction line of refrigeration systems.

FEATURES• Accurate, adjustable pressure regulation.

• Wide capacity and operating range.

• Pulsation damping design.

• Stainless steel bellows.

• Compact angle design for easy installation in any position.

• “Hermetic” brazed construction.

• Available with flare and ODF solder connections.

• For use with CFC, HCFC and HFC refrigerants.

APPROVALSUL listed, file SA7200.

CSA approved.



Maximum working pressure:KVL 12 to 22: MWP = 200 psigKVL 28 to 35: MWP = 200 psig

Maximum test pressure: KVL 12 to 22: p' = 405 psigKVL 28 to 35: p' = 370 psig

Maximum temperature of medium: 300° F


Maximum P-band: KVL 12 to 22: 29 psiKVL 28 to 35: 22 psi

773


DANFOSS CRANKCASE PRESSURE REGULATORSCAPACITIES

*The capacities are based on: liquid temperature tl = 100° F. Correction Factors for Liquid Temperature tl


R-22Maximum regulator capacity Qe* at condensing temperature tc = 100° F

TYPEPRESSURE DROP


MAXIMUM SUCTION PRESSURE ps psig

CAPACITY Qe TONS AT SUCTION TEMPERATURE ts AFTER THE REGULATOR, °F

–30 –20 –10 0 10 20 30 40 50 60 70

KVL 12KVL 15KVL 22

2

10 0.320 0.7 0.6 0.330 0.8 0.9 0.9 0.540 0.8 0.9 1.0 1.0 0.750 0.8 0.9 1.0 1.1 1.2 0.860 0.8 0.9 1.0 1.1 1.2 1.3 0.670 0.8 0.9 1.0 1.1 1.2 1.4 1.4 0.280 0.8 0.9 1.0 1.1 1.2 1.4 1.5 1.390 0.8 0.9 1.0 1.1 1.2 1.4 1.5 1.6 0.9

3

10 0.420 0.9 0.8 0.430 0.9 1.1 1.0 0.740 0.9 1.1 1.2 1.3 0.950 0.9 1.1 1.2 1.3 1.5 0.960 0.9 1.1 1.2 1.3 1.5 1.6 0.870 0.9 1.1 1.2 1.3 1.5 1.7 1.7 0.380 0.9 1.1 1.2 1.3 1.5 1.7 1.8 1.690 0.9 1.1 1.2 1.3 1.5 1.7 1.8 2.0 1.1

4

10 0.520 1.0 0.9 0.430 1.1 1.2 1.2 0.840 1.1 1.2 1.4 1.5 1.050 1.1 1.2 1.4 1.6 1.7 1.160 1.1 1.2 1.4 1.6 1.7 1.9 0.970 1.1 1.2 1.4 1.6 1.7 1.9 2.0 0.380 1.1 1.2 1.4 1.6 1.7 1.9 2.1 1.990 1.1 1.2 1.4 1.6 1.7 1.9 2.1 2.3 1.3

KVL 28KVL 35

2

10 0.8 1.620 2.0 2.7 0.730 2.5 2.9 2.3 1.240 2.5 2.9 3.2 3.0 1.650 2.5 2.9 3.2 3.6 3.5 1.860 2.5 2.9 3.2 3.6 4.1 3.8 1.470 2.5 2.9 3.2 3.6 4.1 4.5 3.9 0.480 2.5 2.9 3.2 3.6 4.1 4.5 5.0 3.490 2.5 2.9 3.2 3.6 4.1 4.5 5.0 5.5 2.0

3

10 0.920 2.4 1.9 0.830 3.1 3.4 2.8 1.540 3.1 3.5 4.0 3.6 2.050 3.1 3.5 4.0 4.5 4.3 2.260 3.1 3.5 4.0 4.5 5.0 4.7 1.870 3.1 3.5 4.0 4.5 5.0 5.5 4.7 0.580 3.1 3.5 4.0 4.5 5.0 5.5 6.1 4.290 3.1 3.5 4.0 4.5 5.0 5.5 6.1 6.7 2.5

4

10 1.120 2.8 2.2 0.930 3.6 3.9 3.3 1.840 3.6 4.1 4.6 4.2 2.350 3.6 4.1 4.6 5.2 4.9 2.560 3.6 4.1 4.6 5.2 5.8 5.4 2.070 3.6 4.1 4.6 5.2 5.8 6.4 5.5 0.680 3.6 4.1 4.6 5.2 5.8 4.5 7.1 4.890 3.6 4.1 4.6 5.2 5.8 4.5 7.1 7.7 2.9

tl °F 50 60 70 80 90 100 110 120R-22 0.82 0.85 0.88 0.92 0.96 1.0 1.05 1.10

774



Correction Factors for Liquid Temperature tl


R-134aMaximum regulator capacity Qe at condensing temperature tc = 100° F

TYPEPRESSURE DROP




–30 –20 –10 0 10 20 30 40 50 60 70

KVL 12KVL 15KVL 22

2

10 0.4 0.5 0.4 0.320 0.4 0.5 0.6 0.6 0.430 0.4 0.5 0.6 0.7 0.7 0.640 0.4 0.5 0.6 0.7 0.8 0.9 0.750 0.4 0.5 0.6 0.7 0.8 0.9 1.0 0.860 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.070 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.3 1.280 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.3 1.4 1.590 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.3 1.4 1.5

3

10 0.5 0.6 0.6 0.420 0.6 0.6 0.7 0.7 0.530 0.6 0.6 0.7 0.8 0.9 0.740 0.6 0.6 0.7 0.8 1.0 1.0 0.850 0.6 0.6 0.7 0.8 1.0 1.1 1.2 1.060 0.6 0.6 0.7 0.8 1.0 1.1 1.2 1.4 1.370 0.6 0.6 0.7 0.8 1.0 1.1 1.2 1.4 1.5 1.580 0.6 0.6 0.7 0.8 1.0 1.1 1.2 1.4 1.5 1.7 1.890 0.6 0.6 0.7 0.8 1.0 1.1 1.2 1.4 1.5 1.7 1.9

4

10 0.6 0.7 0.6 0.520 0.7 0.8 0.8 0.8 0.630 0.7 0.8 0.9 1.0 1.0 0.840 0.7 0.8 0.9 1.0 1.1 1.2 1.050 0.7 0.8 0.9 1.0 1.1 1.3 1.4 1.260 0.7 0.8 0.9 1.0 1.1 1.3 1.4 1.6 1.570 0.7 0.8 0.9 1.0 1.1 1.3 1.4 1.6 1.8 1.880 0.7 0.8 0.9 1.0 1.1 1.3 1.4 1.6 1.8 2.0 2.190 0.7 0.8 0.9 1.0 1.1 1.3 1.4 1.6 1.8 2.0 2.2

KVL 28KVL 35

2

10 1.3 1.3 1.1 0.720 1.5 1.7 1.7 1.5 1.030 1.5 1.7 2.0 2.2 1.9 1.340 1.5 1.7 2.0 2.3 2.6 2.5 1.750 1.5 1.7 2.0 2.3 2.6 3.0 3.1 2.160 1.5 1.7 2.0 2.3 2.6 3.0 3.3 3.7 2.770 1.5 1.7 2.0 2.3 2.6 3.0 3.3 3.7 4.2 3.480 1.5 1.7 2.0 2.3 2.6 3.0 3.3 3.7 4.2 4.7 4.190 1.5 1.7 2.0 2.3 2.6 3.0 3.3 3.7 4.2 4.7 5.2

3

10 1.6 1.5 1.4 0.920 1.9 2.1 2.1 1.8 1.230 1.9 2.1 2.5 2.7 2.4 1.640 1.9 2.1 2.5 2.8 3.2 3.1 2.150 1.9 2.1 2.5 2.8 3.2 3.6 3.8 2.660 1.9 2.1 2.5 2.8 3.2 3.6 4.1 4.6 3.370 1.9 2.1 2.5 2.8 3.2 3.6 4.1 4.6 5.1 4.180 1.9 2.1 2.5 2.8 3.2 3.6 4.1 4.6 5.1 5.7 5.190 1.9 2.1 2.5 2.8 3.2 3.6 4.1 4.6 5.1 5.7 6.3

4

10 1.8 1.8 1.6 1.020 2.2 2.4 2.4 2.1 1.430 2.2 2.5 2.9 3.1 2.8 1.840 2.2 2.5 2.9 3.3 3.7 3.5 2.450 2.2 2.5 2.9 3.3 3.7 4.2 4.4 3.060 2.2 2.5 2.9 3.3 3.7 4.2 4.7 5.3 3.870 2.2 2.5 2.9 3.3 3.7 4.2 4.7 5.3 5.9 4.880 2.2 2.5 2.9 3.3 3.7 4.2 4.7 5.3 5.9 6.6 5.990 2.2 2.5 2.9 3.3 3.7 4.2 4.7 5.3 5.9 6.6 7.3

tl °F 50 60 70 80 90 100 110 120R-134a 0.79 0.82 0.86 0.90 0.95 1.0 1.06 1.13

775



*The capacities are based on: liquid temperature tl = 100° F. Correction Factors for Liquid Temperature tl


R-404A/R-507Maximum regulator capacity Qe* at condensing temperature tc = 100° F

TYPEPRESSURE DROP




–30 –20 –10 0 10 20 30 40 50 60 70

KVL 12KVL 15KVL 22

2

1020 0.5 0.330 0.6 0.6 0.540 0.6 0.7 0.8 0.650 0.6 0.7 0.8 0.9 0.760 0.6 0.7 0.8 0.9 1.0 0.770 0.6 0.7 0.8 0.9 1.0 1.1 0.580 0.6 0.7 0.8 0.9 1.0 1.1 1.190 0.6 0.7 0.8 0.9 1.1 1.2 1.3 1.1

3

1020 0.6 0.330 0.8 0.8 0.640 0.8 0.9 0.9 0.750 0.8 0.9 1.0 1.1 0.860 0.8 0.9 1.0 1.1 1.2 0.870 0.8 0.9 1.0 1.1 1.3 1.4 0.680 0.8 0.9 1.0 1.1 1.3 1.5 1.590 0.8 0.9 1.1 1.2 1.3 1.5 1.6 1.3

4

1020 0.7 0.430 0.9 0.9 0.740 0.9 1.0 1.1 0.950 0.9 1.0 1.1 1.3 1.060 0.9 1.0 1.1 1.3 1.4 1.070 0.9 1.0 1.1 1.4 1.5 1.7 0.780 0.9 1.0 1.1 1.4 1.5 1.7 1.790 0.9 1.1 1.2 1.4 1.5 1.7 1.9 1.5

KVL 28KVL 35

2

1020 1.2 0.630 2.0 1.7 1.140 2.0 2.3 2.2 1.550 2.0 2.4 2.7 2.8 1.760 2.1 2.4 2.7 3.1 3.2 1.670 2.1 2.4 2.7 3.1 3.4 3.3 1.180 2.1 2.4 2.7 3.1 3.4 3.9 3.290 2.1 2.4 2.7 3.1 3.5 3.9 4.3 2.6

3

10 0.120 1.4 0.730 2.5 2.1 1.340 2.6 3.0 2.9 1.950 2.6 3.0 3.2 3.4 2.160 2.6 3.0 3.2 3.8 3.9 2.170 2.6 3.0 3.2 3.9 4.3 4.2 1.380 2.6 3.0 3.2 3.9 4.3 4.8 4.090 2.6 3.1 3.3 3.9 4.3 4.8 5.4 3.3

4

10 0.120 1.7 0.830 2.8 2.5 1.540 3.0 3.4 3.3 2.150 3.0 3.4 3.9 4.0 2.460 3.0 3.4 3.9 4.3 4.4 2.470 3.0 3.4 4.0 4.4 4.9 4.8 1.780 3.0 3.4 4.0 4.4 4.9 5.5 4.690 3.1 3.5 4.0 4.4 4.9 5.6 6.2 3.7

tl °F 50 60 70 80 90 100 110 120R-404A/R-507 0.71 0.75 0.80 0.85 0.92 1.0 1.10 1.24

776



Correction Factors for Liquid Temperature tl


R-407CMaximum regulator capacity Qe at condensing temperature tc = 100° F

TYPEPRESSURE DROP




–30 –20 –10 0 10 20 30 40 50 60 70

KVL 12KVL 15KVL 22

2

10 0.220 0.6 0.5 0.330 0.7 0.8 0.8 0.440 0.7 0.8 0.9 0.9 0.650 0.7 0.8 0.9 1.0 1.1 0.760 0.7 0.8 0.9 1.0 1.1 1.2 0.670 0.7 0.8 0.9 1.0 1.1 1.3 1.3 0.280 0.7 0.8 0.9 1.0 1.1 1.3 1.4 1.290 0.8 0.9 0.9 1.0 1.1 1.3 1.4 1.5 0.9

3

10 0.320 0.8 0.7 0.330 0.8 1.0 0.9 0.640 0.8 1.0 1.1 1.2 0.850 0.8 1.0 1.1 1.2 1.4 0.860 0.8 1.0 1.1 1.2 1.4 1.5 0.770 0.8 1.0 1.1 1.2 1.4 1.6 1.6 0.380 0.8 1.0 1.1 1.2 1.4 1.6 1.7 1.590 0.9 1.0 1.1 1.2 1.4 1.6 1.7 1.9 1.0

4

10 0.420 0.9 0.8 0.330 1.0 1.0 1.0 0.740 1.0 1.1 1.3 1.4 0.950 1.0 1.1 1.3 1.4 1.5 1.060 1.0 1.1 1.3 1.5 1.6 1.7 0.870 1.0 1.1 1.3 1.5 1.6 1.8 1.8 0.380 1.0 1.1 1.3 1.5 1.6 1.8 2.0 1.890 1.0 1.1 1.3 1.5 1.6 1.8 2.0 2.2 1.2

KVL 28KVL 35

2

10 0.720 1.7 2.3 0.630 2.2 2.5 2.0 1.040 2.2 2.6 2.9 2.7 1.450 2.3 2.6 2.9 3.2 3.2 1.660 2.3 2.6 2.9 3.3 3.7 3.5 1.370 2.3 2.7 2.9 3.3 3.8 4.1 3.6 0.480 2.3 2.7 3.0 3.4 3.8 4.2 4.7 3.290 2.4 2.7 3.0 3.4 3.9 4.2 4.7 5.2 1.9

3

10 0.720 2.0 1.6 0.730 2.7 3.0 2.4 1.340 2.8 3.1 3.6 3.2 1.850 2.8 3.2 3.6 4.1 3.9 2.060 2.8 3.2 3.6 4.1 4.6 4.3 1.670 2.9 3.2 3.7 4.1 4.6 5.1 4.3 0.580 2.9 3.3 3.7 4.2 4.7 5.1 5.7 3.990 2.9 3.3 3.8 4.2 4.7 5.2 5.7 6.3 2.4

4

10 0.920 2.4 1.9 0.830 3.1 3.4 2.9 1.640 3.2 3.7 4.1 3.7 2.150 3.2 3.7 4.1 4.7 4.4 2.360 3.3 3.7 4.2 4.7 5.3 4.9 1.870 3.3 3.8 4.2 4.8 5.3 5.9 2.1 0.680 3.4 3.8 4.3 4.8 5.4 6.0 6.6 4.590 3.4 3.9 4.3 4.9 5.5 6.0 6.7 7.2 2.7

tl °F 50 60 70 80 90 100 110 120R-407C 0.78 0.81 0.85 0.89 0.94 1.0 1.07 1.15

777


DANFOSS CRANKCASE PRESSURE REGULATORSDIMENSIONS AND WEIGHTS

P4314B

TYPECONNECTION (in.) H1

(in.)H2(in.)

B1(in.)

C(in.)

DIA. D(in.)

WEIGHT(lbs)Flare Solder ODF

KVL 12 1/2 1/2 7.047 3.898 2.520 0.375 1.181 0.9KVL 15 5/8 5/8 7.047 3.898 2.520 0.5 1.181 0.9KVL 22 7/8 7.047 3.898 2.520 0.625 1.181 0.9KVL 28 1-1/8 10.197 5.945 4.134 0.875 1.693 2.0KVL 35 1-3/8 10.197 5.945 4.134 1.0 1.693 2.0

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