DATA BOOK GRUNDFOS CR(I)(N) 1s, 1, 3, and 5
Vertical MultistageCentrifugal Pumps
2
GRUNDFOS CR(I)(N) 1s, 1, 3, and 5 CONTENTS
3
General dataPerformance data . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 4
Product range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Materials: CR, CRI, CRN . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Type key. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Operating range of the shaft seal . . . . . . . . . . . . . . . . . 10
Maximum inlet pressure . . . . . . . . . . . . . . . . . . . . . . . . . 10
Maximum operating pressure
and temperature range . . . . . . . . . . . . . . . . . . . . . . . 11
Performance curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Selection and SizingSelection of CR, CRI, CRN pumps . . . . . . . . . . . . . . . . . . 13
Performance curves/Technical DataCR1s. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
CRI 1s. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
CRN 1s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
CR 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
CRI 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
CRN 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
CR3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
CRI 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
CRN 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
CR 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
CRI 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
CRN 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Motor data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Pumped LiquidsPumped liquids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
List of pumped liquids . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
AccessoriesPipework connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
CR counter flanges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
CRN counter flanges. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
PJE couplings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Flexiclamp base connections . . . . . . . . . . . . . . . . . . . . . 44
LiqTec . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
VariantsList of variants - on request . . . . . . . . . . . . . . . . . . . . . . 45
Motors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Shaft seals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Pumps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Connections and other variants. . . . . . . . . . . . . . . . . . . 45
2 3 4 6 8 10 20 30 40 60Q [US GPM]
20
60
80100
200
600
8001000
H [ft]
1010
20
30
40
60
100100
200
300
H [m]
60 Hz
CR1s, 1, 3, 5
CR 5CR 3CR 1CRI 1CRN 1
CRI 3CRN 3
CRI 5CRN 5
CR 1sCRI 1sCRN 1s
2 3 4 6 8 10 20 30 40 60Q [US GPM]
0
20
40
60
80[%]Eta
11 2 3 4 6 8 1010Q [m/h]
40
400
80
Performance Data
4
GENERAL DATA GRUNDFOS CR(I)(N) 1s, 1, 3, and 5
Product Range
GRUNDFOS CR(I)(N) 1s, 1, 3, and 5 GENERAL DATA
5
Range CR 1s CR 1 CR 3 CR 5
Nominal flow rate [gpm] 4.5 8.5 15 30Flow range [gpm] 0.5 - 7 1 - 13 1.5 - 24 3 - 45Max. working pressure [psi] 230/360* 230/360* 230/360* 230/360*Motor power [HP] 1/3 - 2 1/3 - 3 1/3 - 5 3/4 - 7-1/2Temperature range [F] -4 to +250 -4 to +250 -4 to +250 -4 to +250Max. efficiency [%] 36 48 58 65Version
CR (AISI 304/Cast Iron) CRI (AISI 304) CRN (AISI 316) CRT (Titanium) CRT 2/4CR pipe connection
ANSI Flange Size 1-1/4 1-1/4 1-1/4 1-1/4
ANSI Flange Class 300 lb. 300 lb. 300 lb. 300 lb.
Oval Flange (NPT) 1 1 1 1-1/4CRI pipe connection
ANSI Flange Size 1-1/4 1-1/4 1-1/4 1-1/4
ANSI Flange Class 300 lb. 300 lb. 300 lb. 300 lb.
Oval Flange (NPT) 1 1 1 1-1/4CRN pipe connection
ANSI Flange Size 1-1/4 1-1/4 1-1/4 1-1/4
ANSI Flange Class 300 lb. 300 lb. 300 lb. 300 lb.
PJE (Victaulic) 1-1/4 1-1/4 1-1/4 1-1/4CRT pipe connection
PJE (Victaulic) CRT 2/4, 1-1/4
*See page 11.
6GENERAL DATA GRUNDFOS CR(I)(N) 1s, 1, 3, and 5
ApplicationsThe CR is a multi-purpose pump suitable for a varietyof different applications demanding reliable and cost-efficient supply.
CR handles a variety of liquids from potable water toindustrial liquids within a very wide temperature, flowand pressure scale.
Below is a list representing some general examples ofapplications:
Water supply filtration and transfer at waterworks distribution from waterworks pressure boosting in mains pressure boosting in high-rise buildings, hotels, etc. pressure boosting for industrial water supply
IndustryPressure boosting in... process water systems washing and cleaning systems high-pressure washdown systems vehicle washing tunnels fire fighting systems
Liquid transfer in... cooling and air-conditioning systems (refrigerants) boiler feed and condensate systems machine tools (cooling lubricants) aquafarming
Transfer of... oils and alcohols acids and alkalis
Water treatment ultra-filtration systems reverse osmosis systems softening, ion exchange, demineralizing systems distillation systems separators swimming pools
Irrigation field irrigation (flooding) sprinkler irrigation drip-feed irrigation
70 80 90 100 110 120 130 140 150 160 170 1805060708090
100
[%]P2
t [F]3000 7000 11000 ft TK
01 0
020
0302
GRUNDFOS CR(I)(N) 1s, 1, 3, and 5 GENERAL DATA
7
PumpThe CR pump is a non-self-priming, vertical multistagecentrifugal pump.
The pump consists of a base and a pump head. Thechamber stack and the outer sleeve are securedbetween the pump head and the base by means ofstaybolts. The base has suction and discharge portson the same level (in-line).
All pumps are equipped with a maintenance-freemechanical shaft seal.
Motor
Shaft seal
Base
Pump head
Staybolts
Electrical data
Mounting Up to 2 HP = 56Cdesignation From 3 HP = 182 TC/213 TCInsulation class FEfficiency class Standard Efficiency
EPAct - on requestHigh Efficiency - on request
Enclosure class ODPTEFC
60 Hz 1 x 115/208-230Standard voltages 3 x 208-230/460
3 x 575
Motor protectionSingle-phase motors have a built-in thermal overload switch.
Three-phase motors must be connected to a motorstarter in accordance with local regulations.
Ambient temperature
Maximum 104 F [40 C].
If the ambient temperature exceeds +104 F [+40C]or if the motor is located 3,280 ft. [1000m] above sealevel, the motor output (P2) must be reduced due tothe low density and consequently low cooling effect ofthe air. In such cases, it may be necessary to use amotor with a higher output.
8GENERAL DATA GRUNDFOS CR(I)(N) 1s, 1, 3, and 5
Materials: CR
Pos. Description Materials AISI/ASTM1 Pump head Cast iron ASTM 25B
EN-GJL-2003 Shaft Stainless steel AISI 3164 Impeller Stainless steel AISI 3045 Chamber Stainless steel AISI 3046 Outer sleeve Stainless steel AISI 3047 O-ring for EPDM or FKM
outer sleeve8 Base Cast iron ASTM 25B
EN-GJL-2009 Neck ring PTFE10 Shaft seal Type cartridge
Rubber parts EPDM or FKM
1
3
10
4
5
9
8
67
1
2 10
4
5
9
8
6
3
11
7
CRI, CRN 1, 3 and 5CR 1, 3 and 5
Materials: CRI, CRN
Pos. Description Materials AISI/ASTM1 Pump head Cast iron ASTM 25B
EN-GJL-2002 Pump head cover Stainless steel CF - 8M3 Shaft Stainless steel AISI 316
AISI 3298 Base Stainless steel CF - 8M9 Neck ring PTFE10 Shaft seal Type cartridge11 Base plate Cast iron ASTM 25B
EN-GJL-200*Rubber parts EPDM or FKM
CRI
4 Impeller Stainless steel AISI 3045 Chamber Stainless steel AISI 3046 Outer sleeve Stainless steel AISI 3047 O-ring for outer EPDM or FKM
sleeveCRN
4 Impeller Stainless steel AISI 3165 Chamber Stainless steel AISI 3166 Outer sleeve Stainless steel AISI 3167 O-ring for outer EPDM or FKM
sleeve
* Stainless steel on requestCF-8M is cast equivalent of AISI 316
Type keyCR, CRI, CRN 1, 1, 3 5
Example CR 3 -10 X -X -X -X - XXXX
Type range:CR, CRI, CRNRated flow rate [m/h]Number of impellersCode for pump versionCode for pipe connectionCode for materialsCode for rubber partsCode for shaft seal
Codes
Example U FGJ A E H Q Q E
Pump version
U NEMA pumpA IEC basic versionF CR pump for high
temperatures (Cool Top)HS Type J with reversed
chamber stack/ directionof rotation
J Pump with different max.speed of rotation bymeans of MGE motor
K Low NPSHM Magnetic drive
Pipe connection
A Oval flangeCA FlexiClampFGJ DIN/ANSI/JIS flangeP PJE couplingW Internally threaded
Materials
A Basic versionG Stainless steel parts of AISI 316GI Base plate and flanges of
AISI 316 LNI Stainless steel parts of AISI 304
Code for rubber parts
E EPDMF FXMK FFKMV FKM
Shaft seal
H Balanced cartridge sealK Seal with metal bellows
as cartridge sealB Carbon, synthetic
resin-impregnatedQ Silicon carbideU Cemented tungsten carbideE EPDMF FXMK FFKMV FKM
GRUNDFOS CR(I)(N) 1s, 1, 3, and 5 GENERAL DATA
9
S C B PS A
O (P 45)
H Q Q E
10
GENERAL DATA GRUNDFOS CR(I)(N) 1s, 1, 3, and 5
CR, CRI, CRN 1
1-2 1-4 87 psi [6 bar]1-5 1-25 145 psi [10 bar]1-27 217 psi [15 bar]CR, CRI, CRN 3
3-2 87 psi [6 bar]3-3 3-15 145 psi [10 bar]3-17 3-25 217 psi [15 bar]CR, CRI, CRN 5
5-2 5-8 145 psi [10 bar]5-9 5-24 217 psi [15 bar]
Example of operating and inlet pressuresThe values for operating and inlet pressures shownin the tables must not be considered individually butmust always be compared, see the followingexamples:
Example 1:The following pump type has been selected:CR 3-10 U-A-AMax. operating pressure: 232 psi [16 bar]Max. inlet pressure: 145 psi [10 bar]Discharge pressure against a closed valve: 139 psi[9.6 bar], see page 28.
This pump is not allowed to start at an inlet pressureof 145 psi [10 bar], but on the other hand at an inletpressure of 232 psi less 139 psi = 93 psi [16.0 less9.6 = 6.4 bar].
Example 2:The following pump type has been selected:CR 3-2 U-A-AMax. operating pressure: 232 psi [16 bar]Max. inlet pressure: 87 psi [6 bar]Discharge pressure against a closed valve: 27 psi[1.9 bar], see page 28.
This pump is allowed to start at an inlet pressure of87 psi [6 bar], as the discharge pressure against aclosed valve is only 27 psi [1.9 bar], which results inan operating pressure of 87 psi + 27 psi = 114 psi[6.0 + 1.9 = 7.9 bar]. On the contrary, the max.operating pressure of this pump is limited to 144 psi[7.9 bar], as a higher operating pressure will requirean inlet pressure of more than 87 psi [6 bar].
In case the inlet or operating pressure exceeds thepressure permitted, see Custom-built Pumps,page 45.
Operating range of the shaft sealThe actual operating range of the shaft seal dependson operating pressure, pump type, type of shaft sealand liquid temperature. The following curves apply toclean water and water containing glycol.For other liquids, see recommended shaft seals in theList of pumped liquids, page 41.In case of extreme temperatures, i.e. low temperatures down to -40 F [-40 C] or high temperatures up to +356 F [180 C]see Custom-built pumps, page 45.
CR, CRI, CRN 1, 3 and 5
Shaft seal Description Max. temp.range
HQQE O-ring (cartridge) (balanced seal), -4 F to 248 FSC/SC, EPDM [-20 C to +120 C]
HQQV O-ring (cartridge) (balanced seal), -4 F to 194 FSC/SC, FKM [-20 C to +90 C]
HUUE O-ring (cartridge), (balanced seal), -4 F to 194 FTC/TC, EPDM [-10 C to +90 C]
HUUV O-ring (cartridge) (balanced seal), -4 F to 194 FTC/TC, FKM [-20 C to +90 C]
Maximum inlet pressureThe following table shows the maximum permissibleinlet pressure. However, the actual inlet pressure +the pressure against a closed valve must always belower than the maximum permissible operatingpressure.
-50 0 50 100 150 200 250 t [F]0
100
200
300
400
p[psi]
HQQE / HQQV
HUUE / HUUVHQQE
TK01
002
1 03
02
GRUNDFOS CR(I)(N) 1s, 1, 3, and 5 GENERAL DATA
11
Maximum operating pressure and temperature range
Max. permissible Liquid temperature Max. permissable Liquid temperatureoperating pressure range operating pressure range
CR, CRI, CRN 1 232 psi -4 F - +248 F 362 psi -4 F - +248 F[16 bar] -20C - +120C [25 bar] -20C - +120C
CR, CRI, CRN 3 232 psi -4 F - +248 F 362 psi -4 F - +248 F16 [bar] -20C - +120C 25 [bar] -20C - +120C
CR, CRI, CRN 5 232 psi -4 F - +248 F 362 psi -4 F - +248 F16 [bar] -20C - +120C 25 [bar] -20C - +120C
Oval flange FGJ-PJE
0 2 4 6 8 10 12 14 16 18 20 22 Q [US GPM]0
50
100
150
200
250
300
350
400
450
500
550
600
650
700
750
H [ft]
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 Q [m/h]
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
H [m]
0
50
100
150
200
250
300
350
400
450
500
550
600
650
700
750
H [ft]CR 360 Hz
3550 RPM
-10
-11
-12
-13
-15
-17
-19
-21
-23
-25
-3
-2
-4
-5 -6
-7 -8
-9
0 2 4 6 8 10 12 14 16 18 20 22 Q [US GPM]0.00
0.05
0.10
0.15
P2[hp]
0
20
40
60
Eta[%]
0.00
0.04
0.08
P2[kW]
P2
Eta
0 2 4 6 8 10 12 14 16 18 20 22 Q [US GPM]0
5
10
NPSH[ft]
0
5
10
H [ft]
0
2
H [m]
NPSHR
TM02
150
7 13
01
100 125 150 175 200 225 250 275 t [F]0
10
20
30
Q min[%]
TK01
002
2 03
02Performance curves
The guidelines below apply to the curves shown onthe following pages:1. The motors used for the measurements are
standard Grundfos motors.2. Performance may vary based on motor selection.3. Measurements have been made with airless water
at a temperature of 68 F.4. The curves apply to a kinematic viscosity of
u = 1 cSt (1 mm/s).5. Due to the risk of overheating, the pumps should
not be used at a flow below the minimum flow rate.
The curve below shows the minimum flow rate as apercentage of the nominal flow rate in relation to theliquid temperature.
QH curve for the individualpump. The bold curvesindicate the full range.
Pump type and frequency
The eta curve showspump efficiency.
12
GENERAL DATA GRUNDFOS CR(I)(N) 1s, 1, 3, and 5
Number of stages.
The power curvesindicate pump inputpower per stage.
The NPSH curve is an averagecurve for all the variants shown.When sizing the pumps, add asafety margin of at least 1-1/2 ft.
GRUNDFOS CR(I)(N) 1s, 1, 3, and 5 GENERAL DATA
13
Selection of CR, CRI, CRN pumps
Pump sizeSelection of pump size should be based on: Required flow and pressure at the draw-off point. Pressure loss as a result of height differences. Friction loss in the pipework.
It may be necessary to account for pressure loss inconnection with long pipes, bends or valves, etc.
Best efficiency at the estimated duty point.
EfficiencyIf the pump is expected always to operate at thesame duty point, select a pump which is operating ata duty point corresponding with the best efficiency ofthe pump.
In case of controlled operation or varying consump-tion, select a pump which best efficiency falls withinthe duty range representing the highest powerconsumption, i.e. typically the duty range covering thegreater part of the duty time.
MaterialThe material variant (CR, CRI, CRN) should beselected on the basis of the liquid to be pumped. Theproduct range covers three basic types. The CR, CRI pump types are suitable for clean,non-aggressive liquids such as potable water, oils,etc. The CRN pump type is suitable for industrial liq-uids (see List of pumped liquids, page 41).
For saline or chloride-containing liquids such as seawater, CRT pumps of titanium are available. Seeseparate data on CRT.
0 2 4 6 8 10 12 14 16 18 20 22 Q [US GPM]0
50
100
150
200
250
300
350
400
450
500
550
600
650
700
750
H [ft]
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 Q [m/h]
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
H [m]
0
50
100
150
200
250
300
350
400
450
500
550
600
650
700
750
H [ft]CR 360 Hz
3550 RPM
-10
-11
-12
-13
-15
-17
-19
-21
-23
-25
-3
-2
-4
-5 -6
-7 -8
-9
0 2 4 6 8 10 12 14 16 18 20 22 Q [US GPM]0.00
0.05
0.10
0.15
P2[hp]
0
20
40
60
Eta[%]
0.00
0.04
0.08
P2[kW]
P2
Eta
0 2 4 6 8 10 12 14 16 18 20 22 Q [US GPM]0
5
10
NPSH[ft]
0
5
10
H [ft]
0
2
H [m]
NPSHR
TM02
150
7 13
01
Duty point
Bestefficiency
14
GENERAL DATA GRUNDFOS CR(I)(N) 1s, 1, 3, and 5
Pump connectionSelection of pump connection depends on rated pres-sure and pipework. To meet any requirement the CR,CRI and CRN pumps offer a wide range of flexibleconnections such as: Oval flange (NPT) ANSI flange PJE coupling FlexiClamp Other connections on request.
Shaft sealAs standard, the CR range is fitted with a Grundfosshaft seal suitable for the most common applications.
The following three key parameters must be takeninto account, when selecting the shaft seal: type of pumped liquid liquid temperature maximum pressure.Grundfos offers a wide range of shaft seal variants tomeet specific demands (see List of pumped liquids,page 41).
Inlet pressure and operating pressureIt should be checked whether the pressure conditionsare fulfilled.
The limit values stated on pages 10-11 must not beexceeded regarding... maximum inlet pressure maximum operating pressure.
GRUNDFOS CR(I)(N) 1s, 1, 3, and 5 GENERAL DATA
15
Minimum inlet pressure - NPSHCalculation of the inlet pressure H is recommendedwhen ... the liquid temperature is high
the flow is significantly higher than the rated flow water is drawn from depths water is drawn through long pipes inlet conditions are poor.
To avoid cavitation, make sure that there is a mini-mum pressure on the suction side of the pump. Themaximum suction lift H in feet of head can becalculated as follows:
H = PB NPSHR Hf Hs Hv
PB = Barometric pressure in feet absolute.(Barometric pressure can be set to33.9 ft @ sea level).In closed systems, PB indicates the systempressure in feet.
NPSHR = Net Positive Suction Head in feet of head.(To be read from the NPSHR curve at thehighest flow the pump will be delivering).
Hf = Friction loss in suction pipe in feet of head. (At the highest flow the pump will be delivering.)
Hv = Vapour pressure in feet of head.(To be read from the vapour pressure scale. Hv depends on the liquidtemperature Tm).
Hs = Safety margin = minimum 1-1/2 feet of head.
If the H calculated is positive, the pump can operateat a suction lift of maximum H feet of head.If the H calculated is negative, an inlet pressure ofminimum H feet of head is required.
Check that the pump is not and will not be exposed tocavitation.
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 Q [US GPM]0
50
100
150
200
250
300
350
400
450
500
550
600
650
700
750
H [ft]
0.0 0.5 1.0 1.5 Q [m/h]
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
H [m]
0
50
100
150
200
250
300
350
400
450
500
550
600
650
700
750
H [ft]CR 1s
60 Hz3550 RPM
-10
-11 -12
-13
-15
-17
-19
-2
-21
-23
-25
-27
-3 -4
-5 -6
-7
-8 -9
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 Q [US GPM]0.00
0.02
0.04
0.06
P2[hp]
0
10
20
30
Eta[%]
0.00
0.02
0.04
P2[kW] P2
Eta
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 Q [US GPM]0
10
20
30
NPSH[ft]
0
10
20
30H [ft]
02468
H [m]
NPSHR
TM02
088
3 04
01
16
PERFORMANCE CURVES GRUNDFOS CR 1s
Pump Type HP PH Voltage
NEMA Frame Size
Oval B1
ANSI B1
ODP B2 D1 D2
TEFC B2 D1 D2
Oval ODP
B1+B2
Oval TEFC B1+B2
ANSI ODP
B1+B2
ANSI TEFC B1+B2
Oval Ship Wt.1 [lbs.]
ANSI Ship Wt.1 [lbs.]
Oval Ship
Vol.1 [ft]
ANSI Ship Vol.1
[ft]CR 1s-2 1/3 1 115/230 56C 11 12 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 20 1/4 20 3/8 21 1/4 21 3/8 53.0 62.0 1.8 1.8
3 208-230/460 56C 11 12 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 20 1/4 20 3/8 21 1/4 21 3/8 53.0 62.0 1.8 1.8CR 1s-3 1/3 1 115/230 56C 11 12 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 20 1/4 20 3/8 21 1/4 21 3/8 53.0 62.0 1.8 1.8
3 208-230/460 56C 11 12 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 20 1/4 20 3/8 21 1/4 21 3/8 53.0 62.0 1.8 1.8CR 1s-4 1/3 1 115/230 56C 11 3/4 12 3/4 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 21 21 1/8 22 22 1/8 53.6 62.6 1.8 1.8
3 208-230/460 56C 11 3/4 12 3/4 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 21 21 1/8 22 22 1/8 53.6 62.6 1.8 1.8CR 1s-5 1/3 1 115/230 56C 12 1/2 13 3/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 21 3/4 21 7/8 22 5/8 22 3/4 54.2 63.2 1.8 1.8
3 208-230/460 56C 12 1/2 13 3/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 21 3/4 21 7/8 22 5/8 22 3/4 54.2 63.2 1.8 1.8CR 1s-6 1/2 1 115/208-230 56C 13 1/8 14 1/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 22 3/8 22 1/2 23 3/8 23 1/2 53.9 62.9 1.8 1.8
3 208-230/460 56C 13 1/8 14 1/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 22 3/8 22 1/2 23 3/8 23 1/2 53.9 62.9 1.8 1.8CR 1s-7 1/2 1 115/208-230 56C 13 7/8 14 7/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 23 1/8 23 1/4 24 1/8 24 1/4 55.2 64.2 1.8 1.8
3 208-230/460 56C 13 7/8 14 7/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 23 1/8 23 1/4 24 1/8 24 1/4 55.2 64.2 1.8 1.8CR 1s-8 1/2 1 115/208-230 56C 14 5/8 15 1/2 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 23 7/8 24 24 3/4 24 7/8 57.0 66.0 1.8 1.8
3 208-230/460 56C 14 5/8 15 1/2 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 23 7/8 24 24 3/4 24 7/8 57.0 66.0 1.8 1.8CR 1s-9 3/4 1 115/208-230 56C 15 1/4 16 1/4 10 3/4 6 1/4 4 1/2 10 6 1/4 4 5/8 26 25 1/4 27 26 1/4 59.6 69.7 1.8 2.1
3 208-230/460 56C 15 1/4 16 1/4 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 24 1/2 24 5/8 25 1/2 25 5/8 59.6 69.7 1.8 2.1CR 1s-10 3/4 1 115/208-230 56C 16 17 10 3/4 6 1/4 4 1/2 10 6 1/4 4 5/8 26 3/4 26 27 3/4 27 60.7 70.8 1.8 2.1
3 208-230/460 56C 16 17 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 25 1/4 25 3/8 26 1/4 26 3/8 60.7 70.8 1.8 2.1CR 1s-11 3/4 1 115/208-230 56C 16 3/4 17 5/8 10 3/4 6 1/4 4 1/2 10 6 1/4 4 5/8 27 1/2 26 3/4 28 3/8 27 5/8 62.9 73.0 2.1 2.7
3 208-230/460 56C 16 3/4 17 5/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 26 26 1/8 26 7/8 27 62.9 73.0 2.1 2.7CR 1s-12 3/4 1 115/208-230 56C 17 3/8 18 3/8 10 3/4 6 1/4 4 1/2 10 6 1/4 4 5/8 28 1/8 27 3/8 29 1/8 28 3/8 65.1 74.1 2.7 2.7
3 208-230/460 56C 17 3/8 18 3/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 26 5/8 26 3/4 27 5/8 27 3/4 65.1 74.1 2.7 2.7CR 1s-13 1 1 115/208-230* 56C 18 1/8 19 1/8 11 3/8 6 1/4 4 1/2 11 1/4 7 1/4 5 1/4 29 1/2 29 3/8 30 1/2 30 3/8 67.5 76.5 2.7 2.7
3 208-230/460 56C 18 1/8 19 1/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 27 3/8 27 1/2 28 3/8 28 1/2 67.5 76.5 2.7 2.7CR 1s-15 1 1 115/208-230* 56C 19 1/2 20 1/2 11 3/8 6 1/4 4 1/2 11 1/4 7 1/4 5 1/4 30 7/8 30 3/4 31 7/8 31 3/4 68.6 77.7 2.7 2.7
3 208-230/460 56C 19 1/2 20 1/2 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 28 3/4 28 7/8 29 3/4 29 7/8 68.6 77.7 2.7 2.7CR 1s-17 1 1/2 1 115/208-230 56C 21 21 7/8 11 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 32 1/4 32 1/4 33 1/8 33 1/8 75.9 84.9 2.7 2.7
3 208-230/460 56C 21 21 7/8 10 3/4 6 1/4 4 1/2 10 1/4 7 1/4 5 1/4 31 3/4 31 1/4 32 5/8 32 1/8 75.9 84.9 2.7 2.7CR 1s-19 1 1/2 1 115/208-230 56C 23 3/8 11 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 34 5/8 34 5/8 86.5 2.7
3 208-230/460 56C 23 3/8 10 3/4 6 1/4 4 1/2 10 1/4 7 1/4 5 1/4 34 1/8 33 5/8 86.5 2.7CR 1s-21 1 1/2 1 115/208-230 56C 24 3/4 11 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 36 36 88.2 2.7
3 208-230/460 56C 24 3/4 10 3/4 6 1/4 4 1/2 10 1/4 7 1/4 5 1/4 35 1/2 35 88.2 2.7CR 1s-23 1 1/2 1 115/208-230 56C 26 1/8 11 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 37 3/8 37 3/8 90.1 2.7
3 208-230/460 56C 26 1/8 10 3/4 6 1/4 4 1/2 10 1/4 7 1/4 5 1/4 36 7/8 36 3/8 90.1 2.7CR 1s-25 2 1 115/208-230* 56C 27 5/8 11 1/4 7 1/4 5 1/8 12 1/8 7 1/4 5 1/4 38 7/8 39 3/4 97.3 2.7
3 208-230/460 56C 27 5/8 10 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 37 7/8 38 7/8 97.3 2.7CR 1s-27 2 1 115/208-230* 56C 29 11 1/4 7 1/4 5 1/8 12 1/8 7 1/4 5 1/4 40 1/4 41 1/8 99.5 3.8
3 208-230/460 56C 29 10 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 39 1/4 40 1/4 99.5 3.8
*TEFC voltage is 115/2301Weights and Volumes based on Pump with 3-phase ODP Motor (see price list for individual weights)
GRUNDFOS CR 1s TECHNICAL DATA
17
18
PERFORMANCE CURVES GRUNDFOS CRI 1s
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 Q [US GPM]0
50
100
150
200
250
300
350
400
450
500
550
600
650
700
750
H [ft]
0.0 0.5 1.0 1.5 Q [m/h]
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
H [m]
0
50
100
150
200
250
300
350
400
450
500
550
600
650
700
750
H [ft]CRI 1s
60 Hz3550 RPM
-10
-11 -12
-13
-15
-17
-19
-2
-21
-23
-25
-27
-3 -4
-5 -6
-7
-8 -9
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 Q [US GPM]0.00
0.02
0.04
0.06
P2[hp]
0
10
20
30
Eta[%]
0.00
0.02
0.04
P2[kW] P2
Eta
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 Q [US GPM]0
10
20
30
NPSH[ft]
0
10
20
30H [ft]
02468
H [m]
NPSHR
TM02
088
3I 0
401
GRUNDFOS CRI 1s TECHNICAL DATA
19
4
Pump Type HP PH Voltage
NEMA Frame Size
Oval B1
ANSI B1
ODP B2 D1 D2
TEFC B2 D1 D2
Oval ODP
B1+B2
Oval TEFC B1+B2
ANSI ODP
B1+B2
ANSI TEFC B1+B2
Oval Ship Wt.1 [lbs.]
ANSI Ship Wt.1 [lbs.]
Oval Ship
Vol.1 [ft]
ANSI Ship Vol.1
[ft]CRI 1s-2 1/3 1 115/230 56C 11 1/8 12 1/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 20 3/8 20 1/2 21 3/8 21 1/2 46.2 54.8 1.8 1.8
3 208-230/460 56C 11 1/8 12 1/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 20 3/8 20 1/2 21 3/8 21 1/2 46.2 54.8 1.8 1.8CRI 1s-3 1/3 1 115/230 56C 11 1/8 12 1/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 20 3/8 20 1/2 21 3/8 21 1/2 46.2 54.8 1.8 1.8
3 208-230/460 56C 11 1/8 12 1/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 20 3/8 20 1/2 21 3/8 21 1/2 46.2 54.8 1.8 1.8CRI 1s-4 1/3 1 115/230 56C 11 7/8 12 7/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 21 1/8 21 1/4 22 1/8 22 1/4 46.8 55.4 1.8 1.8
3 208-230/460 56C 11 7/8 12 7/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 21 1/8 21 1/4 22 1/8 22 1/4 46.8 55.4 1.8 1.8CRI 1s-5 1/3 1 115/230 56C 12 5/8 13 1/2 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 21 7/8 22 22 3/4 22 7/8 47.4 55.9 1.8 1.8
3 208-230/460 56C 12 5/8 13 1/2 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 21 7/8 22 22 3/4 22 7/8 47.4 55.9 1.8 1.8CRI 1s-6 1/2 1 115/208-230 56C 13 1/4 14 1/4 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 22 1/2 22 5/8 23 1/2 23 5/8 47.1 55.7 1.8 1.8
3 208-230/460 56C 13 1/4 14 1/4 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 22 1/2 22 5/8 23 1/2 23 5/8 47.1 55.7 1.8 1.8CRI 1s-7 1/2 1 115/208-230 56C 14 15 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 23 1/4 23 3/8 24 1/4 24 3/8 48.4 57.0 1.8 1.8
3 208-230/460 56C 14 15 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 23 1/4 23 3/8 24 1/4 24 3/8 48.4 57.0 1.8 1.8CRI 1s-8 1/2 1 115/208-230 56C 14 3/4 15 5/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 24 24 1/8 24 7/8 25 50.2 58.7 1.8 1.8
3 208-230/460 56C 14 3/4 15 5/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 24 24 1/8 24 7/8 25 50.2 58.7 1.8 1.8CRI 1s-9 3/4 1 115/208-230 56C 15 3/8 16 3/8 10 3/4 6 1/4 4 1/2 10 6 1/4 4 5/8 26 1/8 25 3/8 27 1/8 26 3/8 52.8 62.5 1.8 2.1
3 208-230/460 56C 15 3/8 16 3/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 24 5/8 24 3/4 25 5/8 25 3/4 52.8 62.5 1.8 2.1CRI 1s-10 3/4 1 115/208-230 56C 16 1/8 17 1/8 10 3/4 6 1/4 4 1/2 10 6 1/4 4 5/8 26 7/8 26 1/8 27 7/8 27 1/8 53.9 64.7 1.8 2.7
3 208-230/460 56C 16 1/8 17 1/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 25 3/8 25 1/2 26 3/8 26 1/2 53.9 64.7 1.8 2.7CRI 1s-11 3/4 1 115/208-230 56C 16 7/8 17 3/4 10 3/4 6 1/4 4 1/2 10 6 1/4 4 5/8 27 5/8 26 7/8 28 1/2 27 3/4 56.1 65.8 2.1 2.7
3 208-230/460 56C 16 7/8 17 3/4 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 26 1/8 26 1/4 27 27 1/8 56.1 65.8 2.1 2.7CRI 1s-12 3/4 1 115/208-230 56C 17 1/2 18 1/2 10 3/4 6 1/4 4 1/2 10 6 1/4 4 5/8 28 1/4 27 1/2 29 1/4 28 1/2 58.3 66.9 2.7 2.7
3 208-230/460 56C 17 1/2 18 1/2 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 26 3/4 26 7/8 27 3/4 27 7/8 58.3 66.9 2.7 2.7CRI 1s-13 1 1 115/208-230* 56C 18 1/4 19 1/4 11 3/8 6 1/4 4 1/2 11 1/4 7 1/4 5 1/4 29 5/8 29 1/2 30 5/8 30 1/2 60.7 69.2 2.7 2.7
3 208-230/460 56C 18 1/4 19 1/4 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 27 1/2 27 5/8 28 1/2 28 5/8 60.7 69.2 2.7 2.7CRI 1s-15 1 1 115/208-230* 56C 19 5/8 20 5/8 11 3/8 6 1/4 4 1/2 11 1/4 7 1/4 5 1/4 31 30 7/8 32 31 7/8 61.8 70.4 2.7 2.7
3 208-230/460 56C 19 5/8 20 5/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 28 7/8 29 29 7/8 30 61.8 70.4 2.7 2.7CRI 1s-17 1 1/2 1 115/208-230 56C 21 1/8 22 11 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 32 3/8 32 3/8 33 1/4 33 1/4 69.1 77.7 2.7 2.7
3 208-230/460 56C 21 1/8 22 10 3/4 6 1/4 4 1/2 10 1/4 7 1/4 5 1/4 31 7/8 31 3/8 32 3/4 32 1/4 69.1 77.7 2.7 2.7CRI 1s-19 1 1/2 1 115/208-230 56C 23 1/2 11 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 34 3/4 34 3/4 79.2 2.7
3 208-230/460 56C 23 1/2 10 3/4 6 1/4 4 1/2 10 1/4 7 1/4 5 1/4 34 1/4 33 3/4 79.2 2.7CRI 1s-21 1 1/2 1 115/208-230 56C 24 7/8 11 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 36 1/8 36 1/8 81.0 2.7
3 208-230/460 56C 24 7/8 10 3/4 6 1/4 4 1/2 10 1/4 7 1/4 5 1/4 35 5/8 35 1/8 81.0 2.7CRI 1s-23 1 1/2 1 115/208-230 56C 26 1/4 11 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 37 1/2 37 1/2 82.8 2.7
3 208-230/460 56C 26 1/4 10 3/4 6 1/4 4 1/2 10 1/4 7 1/4 5 1/4 37 36 1/2 82.8 2.7CRI 1s-25 2 1 115/208-230* 56C 27 3/4 11 1/4 7 1/4 5 1/8 12 1/8 7 1/4 5 1/4 39 39 7/8 90.0 2.7
3 208-230/460 56C 27 3/4 10 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 38 39 90.0 2.7CRI 1s-27 2 1 115/208-230* 56C 29 1/8 11 1/4 7 1/4 5 1/8 12 1/8 7 1/4 5 1/4 40 3/8 41 1/4 92.3 3.8
3 208-230/460 56C 29 1/8 10 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 39 3/8 40 3/8 92.3 3.8
*TEFC voltage is 115/2301Weights and Volumes based on Pump with 3-phase ODP Motor (see price list for individual weights)
20
PERFORMANCE CURVES GRUNDFOS CRN 1s
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 Q [US GPM]0
50
100
150
200
250
300
350
400
450
500
550
600
650
700
750
H [ft]
0.0 0.5 1.0 1.5 Q [m/h]
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
H [m]
0
50
100
150
200
250
300
350
400
450
500
550
600
650
700
750
H [ft]CRN 1s
60 Hz3550 RPM
-10
-11 -12
-13
-15
-17
-19
-2
-21
-23
-25
-27
-3 -4
-5 -6
-7
-8 -9
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 Q [US GPM]0.00
0.02
0.04
0.06
P2[hp]
0
10
20
30
Eta[%]
0.00
0.02
0.04
P2[kW] P2
Eta
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 Q [US GPM]0
10
20
30
NPSH[ft]
0
10
20
30H [ft]
02468
H [m]
NPSHR
TM02
088
3N 0
401
GRUNDFOS CRN 1s TECHNICAL DATA
21
Pump Type HP PH Voltage
NEMA Frame Size
PJE B1
ANSI B1
ODP B2 D1 D2
TEFC B2 D1 D2
PJE ODP
B1+B2
PJE TEFC B1+B2
ANSI ODP
B1+B2
ANSI TEFC B1+B2
Oval Ship Wt.1 [lbs.]
ANSI Ship Wt.1 [lbs.]
Oval Ship
Vol.1 [ft]
ANSI Ship Vol.1
[ft]CRN 1s-2 1/3 1 115/230 56C 11 1/8 12 1/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 20 3/8 20 1/2 21 3/8 21 1/2 46.9 54.8 1.8 1.8
3 208-230/460 56C 11 1/8 12 1/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 20 3/8 20 1/2 21 3/8 21 1/2 46.9 54.8 1.8 1.8CRN 1s-3 1/3 1 115/230 56C 11 1/8 12 1/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 20 3/8 20 1/2 21 3/8 21 1/2 46.9 54.8 1.8 1.8
3 208-230/460 56C 11 1/8 12 1/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 20 3/8 20 1/2 21 3/8 21 1/2 46.9 54.8 1.8 1.8CRN 1s-4 1/3 1 115/230 56C 11 7/8 12 7/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 21 1/8 21 1/4 22 1/8 22 1/4 47.5 55.4 1.8 1.8
3 208-230/460 56C 11 7/8 12 7/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 21 1/8 21 1/4 22 1/8 22 1/4 47.5 55.4 1.8 1.8CRN 1s-5 1/3 1 115/230 56C 12 5/8 13 1/2 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 21 7/8 22 22 3/4 22 7/8 48.0 55.9 1.8 1.8
3 208-230/460 56C 12 5/8 13 1/2 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 21 7/8 22 22 3/4 22 7/8 48.0 55.9 1.8 1.8CRN 1s-6 1/2 1 115/208-230 56C 13 1/4 14 1/4 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 22 1/2 22 5/8 23 1/2 23 5/8 47.7 55.7 1.8 1.8
3 208-230/460 56C 13 1/4 14 1/4 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 22 1/2 22 5/8 23 1/2 23 5/8 47.7 55.7 1.8 1.8CRN 1s-7 1/2 1 115/208-230 56C 14 15 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 23 1/4 23 3/8 24 1/4 24 3/8 49.1 57.0 1.8 1.8
3 208-230/460 56C 14 15 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 23 1/4 23 3/8 24 1/4 24 3/8 49.1 57.0 1.8 1.8CRN 1s-8 1/2 1 115/208-230 56C 14 3/4 15 5/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 24 24 1/8 24 7/8 25 50.8 58.7 1.8 1.8
3 208-230/460 56C 14 3/4 15 5/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 24 24 1/8 24 7/8 25 50.8 58.7 1.8 1.8CRN 1s-9 3/4 1 115/208-230 56C 15 3/8 16 3/8 10 3/4 6 1/4 4 1/2 10 6 1/4 4 5/8 26 1/8 25 3/8 27 1/8 26 3/8 53.5 62.5 1.8 2.1
3 208-230/460 56C 15 3/8 16 3/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 24 5/8 24 3/4 25 5/8 25 3/4 53.5 62.5 1.8 2.1CRN 1s-10 3/4 1 115/208-230 56C 16 1/8 17 1/8 10 3/4 6 1/4 4 1/2 10 6 1/4 4 5/8 26 7/8 26 1/8 27 7/8 27 1/8 54.6 64.7 1.8 2.7
3 208-230/460 56C 16 1/8 17 1/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 25 3/8 25 1/2 26 3/8 26 1/2 54.6 64.7 1.8 2.7CRN 1s-11 3/4 1 115/208-230 56C 16 7/8 17 3/4 10 3/4 6 1/4 4 1/2 10 6 1/4 4 5/8 27 5/8 26 7/8 28 1/2 27 3/4 56.8 65.8 2.1 2.7
3 208-230/460 56C 16 7/8 17 3/4 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 26 1/8 26 1/4 27 27 1/8 56.8 65.8 2.1 2.7CRN 1s-12 3/4 1 115/208-230 56C 17 1/2 18 1/2 10 3/4 6 1/4 4 1/2 10 6 1/4 4 5/8 28 1/4 27 1/2 29 1/4 28 1/2 59.0 66.9 2.7 2.7
3 208-230/460 56C 17 1/2 18 1/2 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 26 3/4 26 7/8 27 3/4 27 7/8 59.0 66.9 2.7 2.7CRN 1s-13 1 1 115/208-230* 56C 18 1/4 19 1/4 11 3/8 6 1/4 4 1/2 11 1/4 7 1/4 5 1/4 29 5/8 29 1/2 30 5/8 30 1/2 61.3 69.2 2.7 2.7
3 208-230/460 56C 18 1/4 19 1/4 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 27 1/2 27 5/8 28 1/2 28 5/8 61.3 69.2 2.7 2.7CRN 1s-15 1 1 115/208-230* 56C 19 5/8 20 5/8 11 3/8 6 1/4 4 1/2 11 1/4 7 1/4 5 1/4 31 30 7/8 32 31 7/8 62.5 70.4 2.7 2.7
3 208-230/460 56C 19 5/8 20 5/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 28 7/8 29 29 7/8 30 62.5 70.4 2.7 2.7CRN 1s-17 1 1/2 1 115/208-230 56C 21 1/8 22 11 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 32 3/8 32 3/8 33 1/4 33 1/4 69.7 77.7 2.7 2.7
3 208-230/460 56C 21 1/8 22 10 3/4 6 1/4 4 1/2 10 1/4 7 1/4 5 1/4 31 7/8 31 3/8 32 3/4 32 1/4 69.7 77.7 2.7 2.7CRN 1s-19 1 1/2 1 115/208-230 56C 22 1/2 23 1/2 11 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 33 3/4 33 3/4 34 3/4 34 3/4 71.3 79.2 2.7 2.7
3 208-230/460 56C 22 1/2 23 1/2 10 3/4 6 1/4 4 1/2 10 1/4 7 1/4 5 1/4 33 1/4 32 3/4 34 1/4 33 3/4 71.3 79.2 2.7 2.7CRN 1s-21 1 1/2 1 115/208-230 56C 23 7/8 24 7/8 11 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 35 1/8 35 1/8 36 1/8 36 1/8 73.1 81.0 2.7 2.7
3 208-230/460 56C 23 7/8 24 7/8 10 3/4 6 1/4 4 1/2 10 1/4 7 1/4 5 1/4 34 5/8 34 1/8 35 5/8 35 1/8 73.1 81.0 2.7 2.7CRN 1s-23 1 1/2 1 115/208-230 56C 25 3/8 26 1/4 11 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 36 5/8 36 5/8 37 1/2 37 1/2 74.9 82.8 2.7 2.7
3 208-230/460 56C 25 3/8 26 1/4 10 3/4 6 1/4 4 1/2 10 1/4 7 1/4 5 1/4 36 1/8 35 5/8 37 36 1/2 74.9 82.8 2.7 2.7CRN 1s-25 2 1 115/208-230* 56C 26 3/4 27 3/4 11 1/4 7 1/4 5 1/8 12 1/8 7 1/4 5 1/4 38 38 7/8 39 39 7/8 82.1 90.0 2.7 2.7
3 208-230/460 56C 26 3/4 27 3/4 10 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 37 38 38 39 82.1 90.0 2.7 2.7CRN 1s-27 2 1 115/208-230* 56C 28 1/8 29 1/8 11 1/4 7 1/4 5 1/8 12 1/8 7 1/4 5 1/4 39 3/8 40 1/4 40 3/8 41 1/4 83.2 92.3 2.7 3.8
3 208-230/460 56C 28 1/8 29 1/8 10 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 38 3/8 39 3/8 39 3/8 40 3/8 83.2 92.3 2.7 3.8
*TEFC voltage is 115/2301Weights and Volumes based on Pump with 3-phase ODP Motor (see price list for individual weights)
0 1 2 3 4 5 6 7 8 9 10 11 12 Q [US GPM]0
50
100
150
200
250
300
350
400
450
500
550
600
650
700
750
H [ft]
0.0 0.5 1.0 1.5 2.0 2.5 Q [m/h]
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
H [m]
0
50
100
150
200
250
300
350
400
450
500
550
600
650
700
750
H [ft]CR 160 Hz
3550 RPM
-10
-11 -12
-13
-15
-17
-19
-2
-21
-23
-25
-27
-3
-4
-5 -6
-7 -8
-9
0 1 2 3 4 5 6 7 8 9 10 11 12 Q [US GPM]0.000.020.040.060.08
P2[hp]
010203040
Eta[%]
0.00
0.02
0.04
0.06
P2[kW] P2
Eta
0 1 2 3 4 5 6 7 8 9 10 11 12 Q [US GPM]0
5
10
NPSH[ft]
0
5
10
H [ft]
0
2
H [m]
NPSHR
TM02
150
4 27
01
22
PERFORMANCE CURVES GRUNDFOS CR 1
GRUNDFOS CR 1 TECHNICAL DATA
23
Pump Type HP PH Voltage
NEMA Frame Size
Oval B1
ANSI B1
ODP B2 D1 D2
TEFC B2 D1 D2
Oval ODP
B1+B2
Oval TEFC B1+B2
ANSI ODP
B1+B2
ANSI TEFC B1+B2
Oval Ship Wt.1 [lbs.]
ANSI Ship Wt.1 [lbs.]
Oval Ship
Vol.1 [ft]
ANSI Ship Vol.1
[ft]CR 1-2 1/3 1 115/230 56C 11 12 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 20 1/4 20 3/8 21 1/4 21 3/8 53.0 62.0 1.8 1.8
3 208-230/460 56C 11 12 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 20 1/4 20 3/8 21 1/4 21 3/8 53.0 62.0 1.8 1.8CR 1-3 1/3 1 115/230 56C 11 12 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 20 1/4 20 3/8 21 1/4 21 3/8 53.0 62.0 1.8 1.8
3 208-230/460 56C 11 12 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 20 1/4 20 3/8 21 1/4 21 3/8 53.0 62.0 1.8 1.8CR 1-4 1/2 1 115/208-230 56C 11 3/4 12 3/4 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 21 21 1/8 22 22 1/8 52.7 61.8 1.8 1.8
3 208-230/460 56C 11 3/4 12 3/4 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 21 21 1/8 22 22 1/8 52.7 61.8 1.8 1.8CR 1-5 1/2 1 115/208-230 56C 12 1/2 13 3/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 21 3/4 21 7/8 22 5/8 22 3/4 53.3 62.3 1.8 1.8
3 208-230/460 56C 12 1/2 13 3/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 21 3/4 21 7/8 22 5/8 22 3/4 53.3 62.3 1.8 1.8CR 1-6 3/4 1 115/208-230 56C 13 1/8 14 1/8 10 3/4 6 1/4 4 1/2 10 6 1/4 4 5/8 23 7/8 23 1/8 24 7/8 24 1/8 55.7 64.7 1.8 1.8
3 208-230/460 56C 13 1/8 14 1/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 22 3/8 22 1/2 23 3/8 23 1/2 55.7 64.7 1.8 1.8CR 1-7 3/4 1 115/208-230 56C 13 7/8 14 7/8 10 3/4 6 1/4 4 1/2 10 6 1/4 4 5/8 24 5/8 23 7/8 25 5/8 24 7/8 57.0 66.0 1.8 1.8
3 208-230/460 56C 13 7/8 14 7/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 23 1/8 23 1/4 24 1/8 24 1/4 57.0 66.0 1.8 1.8CR 1-8 1 1 115/208-230* 56C 14 5/8 15 1/2 11 3/8 6 1/4 4 1/2 11 1/4 7 1/4 5 1/4 26 25 7/8 26 7/8 26 3/4 60.5 69.5 1.8 1.8
3 208-230/460 56C 14 5/8 15 1/2 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 23 7/8 24 24 3/4 24 7/8 60.5 69.5 1.8 1.8CR 1-9 1 1 115/208-230* 56C 15 1/4 16 1/4 11 3/8 6 1/4 4 1/2 11 1/4 7 1/4 5 1/4 26 5/8 26 1/2 27 5/8 27 1/2 61.4 71.5 1.8 2.1
3 208-230/460 56C 15 1/4 16 1/4 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 24 1/2 24 5/8 25 1/2 25 5/8 61.4 71.5 1.8 2.1CR 1-10 1 1 115/208-230* 56C 16 17 11 3/8 6 1/4 4 1/2 11 1/4 7 1/4 5 1/4 27 3/8 27 1/4 28 3/8 28 1/4 62.5 72.6 1.8 2.1
3 208-230/460 56C 16 17 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 25 1/4 25 3/8 26 1/4 26 3/8 62.5 72.6 1.8 2.1CR 1-11 1 1/2 1 115/208-230 56C 16 3/4 17 5/8 11 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 28 28 28 7/8 28 7/8 71.9 81.0 2.7 2.7
3 208-230/460 56C 16 3/4 17 5/8 10 3/4 6 1/4 4 1/2 10 1/4 7 1/4 5 1/4 27 1/2 27 28 3/8 27 7/8 71.9 81.0 2.7 2.7CR 1-12 1 1/2 1 115/208-230 56C 17 3/8 18 3/8 11 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 28 5/8 28 5/8 29 5/8 29 5/8 73.0 82.1 2.7 2.7
3 208-230/460 56C 17 3/8 18 3/8 10 3/4 6 1/4 4 1/2 10 1/4 7 1/4 5 1/4 28 1/8 27 5/8 29 1/8 28 5/8 73.0 82.1 2.7 2.7CR 1-13 1 1/2 1 115/208-230 56C 18 1/8 19 1/8 11 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 29 3/8 29 3/8 30 3/8 30 3/8 73.6 82.7 2.7 2.7
3 208-230/460 56C 18 1/8 19 1/8 10 3/4 6 1/4 4 1/2 10 1/4 7 1/4 5 1/4 28 7/8 28 3/8 29 7/8 29 3/8 73.6 82.7 2.7 2.7CR 1-15 2 1 115/208-230* 56C 19 1/2 20 1/2 11 1/4 7 1/4 5 1/8 12 1/8 7 1/4 5 1/4 30 3/4 31 5/8 31 3/4 32 5/8 79.4 88.4 2.7 2.7
3 208-230/460 56C 19 1/2 20 1/2 10 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 29 3/4 30 3/4 30 3/4 31 3/4 79.4 88.4 2.7 2.7CR 1-17 2 1 115/208-230* 56C 21 21 7/8 11 1/4 7 1/4 5 1/8 12 1/8 7 1/4 5 1/4 32 1/4 33 1/8 33 1/8 34 80.5 89.5 2.7 2.7
3 208-230/460 56C 21 21 7/8 10 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 31 1/4 32 1/4 32 1/8 33 1/8 80.5 89.5 2.7 2.7CR 1-19 2 1 115/208-230* 56C 23 3/8 11 1/4 7 1/4 5 1/8 12 1/8 7 1/4 5 1/4 34 5/8 35 1/2 91.1 2.7
3 208-230/460 56C 23 3/8 10 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 33 5/8 34 5/8 91.1 2.7CR 1-21 3 1 115/208-230 182TC 25 7/8 13 3/4 8 1/2 5 7/8 13 3/4 8 1/2 6 39 5/8 39 5/8 109.1 2.7
3 208-230/460 182TC 25 7/8 11 1/2 7 1/4 5 1/8 12 3/8 8 1/2 6 37 3/8 38 1/4 109.1 2.7CR 1-23 3 1 115/208-230 182TC 27 1/4 13 3/4 8 1/2 5 7/8 13 3/4 8 1/2 6 41 41 112.1 3.8
3 208-230/460 182TC 27 1/4 11 1/2 7 1/4 5 1/8 12 3/8 8 1/2 6 38 3/4 39 5/8 112.1 3.8CR 1-25 3 1 115/208-230 182TC 28 3/4 13 3/4 8 1/2 5 7/8 13 3/4 8 1/2 6 42 1/2 42 1/2 114.6 3.8
3 208-230/460 182TC 28 3/4 11 1/2 7 1/4 5 1/8 12 3/8 8 1/2 6 40 1/4 41 1/8 114.6 3.8CR 1-27 3 1 115/208-230 182TC 30 1/8 13 3/4 8 1/2 5 7/8 13 3/4 8 1/2 6 43 7/8 43 7/8 115.8 3.8
3 208-230/460 182TC 30 1/8 11 1/2 7 1/4 5 1/8 12 3/8 8 1/2 6 41 5/8 42 1/2 115.8 3.8
*TEFC voltage is 115/2301Weights and Volumes based on Pump with 3-phase ODP Motor (see price list for individual weights)
24
PERFORMANCE CURVES GRUNDFOS CRI 1
0 1 2 3 4 5 6 7 8 9 10 11 12 Q [US GPM]0
50
100
150
200
250
300
350
400
450
500
550
600
650
700
750
H [ft]
0.0 0.5 1.0 1.5 2.0 2.5 Q [m/h]
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
H [m]
0
50
100
150
200
250
300
350
400
450
500
550
600
650
700
750
H [ft]CRI 160 Hz
3550 RPM
-10
-11 -12
-13
-15
-17
-19
-2
-21
-23
-25
-27
-3
-4
-5 -6
-7 -8
-9
0 1 2 3 4 5 6 7 8 9 10 11 12 Q [US GPM]0.000.020.040.060.08
P2[hp]
010203040
Eta[%]
0.00
0.02
0.04
0.06
P2[kW] P2
Eta
0 1 2 3 4 5 6 7 8 9 10 11 12 Q [US GPM]0
5
10
NPSH[ft]
0
5
10
H [ft]
0
2
H [m]
NPSHR
TM02
150
5 27
01
GRUNDFOS CRI 1 TECHNICAL DATA
25
4
Pump Type HP PH Voltage
NEMA Frame Size
Oval B1
ANSI B1
ODP B2 D1 D2
TEFC B2 D1 D2
Oval ODP
B1+B2
Oval TEFC B1+B2
ANSI ODP
B1+B2
ANSI TEFC B1+B2
Oval Ship Wt.1 [lbs.]
ANSI Ship Wt.1 [lbs.]
Oval Ship
Vol.1 [ft]
ANSI Ship Vol.1
[ft]CRI 1-2 1/3 1 115/230 56C 11 1/8 12 1/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 20 3/8 20 1/2 21 3/8 21 1/2 46.2 54.8 1.8 1.8
3 208-230/460 56C 11 1/8 12 1/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 20 3/8 20 1/2 21 3/8 21 1/2 46.2 54.8 1.8 1.8CRI 1-3 1/3 1 115/230 56C 11 1/8 12 1/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 20 3/8 20 1/2 21 3/8 21 1/2 46.2 54.8 1.8 1.8
3 208-230/460 56C 11 1/8 12 1/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 20 3/8 20 1/2 21 3/8 21 1/2 46.2 54.8 1.8 1.8CRI 1-4 1/2 1 115/208-230 56C 11 7/8 12 7/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 21 1/8 21 1/4 22 1/8 22 1/4 45.9 54.5 1.8 1.8
3 208-230/460 56C 11 7/8 12 7/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 21 1/8 21 1/4 22 1/8 22 1/4 45.9 54.5 1.8 1.8CRI 1-5 1/2 1 115/208-230 56C 12 5/8 13 1/2 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 21 7/8 22 22 3/4 22 7/8 46.5 55.1 1.8 1.8
3 208-230/460 56C 12 5/8 13 1/2 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 21 7/8 22 22 3/4 22 7/8 46.5 55.1 1.8 1.8CRI 1-6 3/4 1 115/208-230 56C 13 1/4 14 1/4 10 3/4 6 1/4 4 1/2 10 6 1/4 4 5/8 24 23 1/4 25 24 1/4 48.8 57.4 1.8 1.8
3 208-230/460 56C 13 1/4 14 1/4 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 22 1/2 22 5/8 23 1/2 23 5/8 48.8 57.4 1.8 1.8CRI 1-7 3/4 1 115/208-230 56C 14 15 10 3/4 6 1/4 4 1/2 10 6 1/4 4 5/8 24 3/4 24 25 3/4 25 50.2 58.7 1.8 1.8
3 208-230/460 56C 14 15 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 23 1/4 23 3/8 24 1/4 24 3/8 50.2 58.7 1.8 1.8CRI 1-8 1 1 115/208-230* 56C 14 3/4 15 5/8 11 3/8 6 1/4 4 1/2 11 1/4 7 1/4 5 1/4 26 1/8 26 27 26 7/8 53.7 62.3 1.8 1.8
3 208-230/460 56C 14 3/4 15 5/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 24 24 1/8 24 7/8 25 53.7 62.3 1.8 1.8CRI 1-9 1 1 115/208-230* 56C 15 3/8 16 3/8 11 3/8 6 1/4 4 1/2 11 1/4 7 1/4 5 1/4 26 3/4 26 5/8 27 3/4 27 5/8 54.6 64.2 1.8 2.1
3 208-230/460 56C 15 3/8 16 3/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 24 5/8 24 3/4 25 5/8 25 3/4 54.6 64.2 1.8 2.1CRI 1-10 1 1 115/208-230* 56C 16 1/8 17 1/8 11 3/8 6 1/4 4 1/2 11 1/4 7 1/4 5 1/4 27 1/2 27 3/8 28 1/2 28 3/8 55.7 66.4 1.8 2.7
3 208-230/460 56C 16 1/8 17 1/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 25 3/8 25 1/2 26 3/8 26 1/2 55.7 66.4 1.8 2.7CRI 1-11 1 1/2 1 115/208-230 56C 16 7/8 17 3/4 11 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 28 1/8 28 1/8 29 29 65.1 73.7 2.7 2.7
3 208-230/460 56C 16 7/8 17 3/4 10 3/4 6 1/4 4 1/2 10 1/4 7 1/4 5 1/4 27 5/8 27 1/8 28 1/2 28 65.1 73.7 2.7 2.7CRI 1-12 1 1/2 1 115/208-230 56C 17 1/2 18 1/2 11 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 28 3/4 28 3/4 29 3/4 29 3/4 66.2 74.8 2.7 2.7
3 208-230/460 56C 17 1/2 18 1/2 10 3/4 6 1/4 4 1/2 10 1/4 7 1/4 5 1/4 28 1/4 27 3/4 29 1/4 28 3/4 66.2 74.8 2.7 2.7CRI 1-13 1 1/2 1 115/208-230 56C 18 1/4 19 1/4 11 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 29 1/2 29 1/2 30 1/2 30 1/2 66.8 75.4 2.7 2.7
3 208-230/460 56C 18 1/4 19 1/4 10 3/4 6 1/4 4 1/2 10 1/4 7 1/4 5 1/4 29 28 1/2 30 29 1/2 66.8 75.4 2.7 2.7CRI 1-15 2 1 115/208-230* 56C 19 5/8 20 5/8 11 1/4 7 1/4 5 1/8 12 1/8 7 1/4 5 1/4 30 7/8 31 3/4 31 7/8 32 3/4 72.6 81.2 2.7 2.7
3 208-230/460 56C 19 5/8 20 5/8 10 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 29 7/8 30 7/8 30 7/8 31 7/8 72.6 81.2 2.7 2.7CRI 1-17 2 1 115/208-230* 56C 21 1/8 22 11 1/4 7 1/4 5 1/8 12 1/8 7 1/4 5 1/4 32 3/8 33 1/4 33 1/4 34 1/8 73.7 82.3 2.7 2.7
3 208-230/460 56C 21 1/8 22 10 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 31 3/8 32 3/8 32 1/4 33 1/4 73.7 82.3 2.7 2.7CRI 1-19 2 1 115/208-230* 56C 23 1/2 11 1/4 7 1/4 5 1/8 12 1/8 7 1/4 5 1/4 34 3/4 35 5/8 83.8 2.7
3 208-230/460 56C 23 1/2 10 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 33 3/4 34 3/4 83.8 2.7CRI 1-21 3 1 115/208-230 182TC 26 13 3/4 8 1/2 5 7/8 13 3/4 8 1/2 6 39 3/4 39 3/4 101.9 2.7
3 208-230/460 182TC 26 11 1/2 7 1/4 5 1/8 12 3/8 8 1/2 6 37 1/2 38 3/8 101.9 2.7CRI 1-23 3 1 115/208-230 182TC 27 3/8 13 3/4 8 1/2 5 7/8 13 3/4 8 1/2 6 41 1/8 41 1/8 104.8 3.8
3 208-230/460 182TC 27 3/8 11 1/2 7 1/4 5 1/8 12 3/8 8 1/2 6 38 7/8 39 3/4 104.8 3.8CRI 1-25 3 1 115/208-230 182TC 28 7/8 13 3/4 8 1/2 5 7/8 13 3/4 8 1/2 6 42 5/8 42 5/8 107.4 3.8
3 208-230/460 182TC 28 7/8 11 1/2 7 1/4 5 1/8 12 3/8 8 1/2 6 40 3/8 41 1/4 107.4 3.8CRI 1-27 3 1 115/208-230 182TC 30 1/4 13 3/4 8 1/2 5 7/8 13 3/4 8 1/2 6 44 44 108.5 3.8
3 208-230/460 182TC 30 1/4 11 1/2 7 1/4 5 1/8 12 3/8 8 1/2 6 41 3/4 42 5/8 108.5 3.8
*TEFC voltage is 115/2301Weights and Volumes based on Pump with 3-phase ODP Motor (see price list for individual weights)
0 1 2 3 4 5 6 7 8 9 10 11 12 Q [US GPM]0
50
100
150
200
250
300
350
400
450
500
550
600
650
700
750
H [ft]
0.0 0.5 1.0 1.5 2.0 2.5 Q [m/h]
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
H [m]
0
50
100
150
200
250
300
350
400
450
500
550
600
650
700
750
H [ft]CRN 1
60 Hz3550 RPM
-10
-11 -12
-13
-15
-17
-19
-2
-21
-23
-25
-27
-3
-4
-5 -6
-7 -8
-9
0 1 2 3 4 5 6 7 8 9 10 11 12 Q [US GPM]0.000.020.040.060.08
P2[hp]
010203040
Eta[%]
0.00
0.02
0.04
0.06
P2[kW] P2
Eta
0 1 2 3 4 5 6 7 8 9 10 11 12 Q [US GPM]0
5
10
NPSH[ft]
0
5
10
H [ft]
0
2
H [m]
NPSHR
TM02
150
6 27
01
26
PERFORMANCE CURVES GRUNDFOS CRN 1
GRUNDFOS CRN 1 TECHNICAL DATA
27
Pump Type HP PH Voltage
NEMA Frame Size
PJE B1
ANSI B1
ODP B2 D1 D2
TEFC B2 D1 D2
PJE ODP
B1+B2
PJE TEFC B1+B2
ANSI ODP
B1+B2
ANSI TEFC B1+B2
Oval Ship Wt.1 [lbs.]
ANSI Ship Wt.1 [lbs.]
Oval Ship
Vol.1 [ft]
ANSI Ship Vol.1
[ft]CRN 1-2 1/3 1 115/230 56C 11 1/8 12 1/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 20 3/8 20 1/2 21 3/8 21 1/2 46.9 54.8 1.8 1.8
3 208-230/460 56C 11 1/8 12 1/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 20 3/8 20 1/2 21 3/8 21 1/2 46.9 54.8 1.8 1.8CRN 1-3 1/3 1 115/230 56C 11 1/8 12 1/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 20 3/8 20 1/2 21 3/8 21 1/2 46.9 54.8 1.8 1.8
3 208-230/460 56C 11 1/8 12 1/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 20 3/8 20 1/2 21 3/8 21 1/2 46.9 54.8 1.8 1.8CRN 1-4 1/2 1 115/208-230 56C 11 7/8 12 7/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 21 1/8 21 1/4 22 1/8 22 1/4 46.6 54.5 1.8 1.8
3 208-230/460 56C 11 7/8 12 7/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 21 1/8 21 1/4 22 1/8 22 1/4 46.6 54.5 1.8 1.8CRN 1-5 1/2 1 115/208-230 56C 12 5/8 13 1/2 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 21 7/8 22 22 3/4 22 7/8 47.1 55.1 1.8 1.8
3 208-230/460 56C 12 5/8 13 1/2 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 21 7/8 22 22 3/4 22 7/8 47.1 55.1 1.8 1.8CRN 1-6 3/4 1 115/208-230 56C 13 1/4 14 1/4 10 3/4 6 1/4 4 1/2 10 6 1/4 4 5/8 24 23 1/4 25 24 1/4 49.5 57.4 1.8 1.8
3 208-230/460 56C 13 1/4 14 1/4 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 22 1/2 22 5/8 23 1/2 23 5/8 49.5 57.4 1.8 1.8CRN 1-7 3/4 1 115/208-230 56C 14 15 10 3/4 6 1/4 4 1/2 10 6 1/4 4 5/8 24 3/4 24 25 3/4 25 50.8 58.7 1.8 1.8
3 208-230/460 56C 14 15 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 23 1/4 23 3/8 24 1/4 24 3/8 50.8 58.7 1.8 1.8CRN 1-8 1 1 115/208-230* 56C 14 3/4 15 5/8 11 3/8 6 1/4 4 1/2 11 1/4 7 1/4 5 1/4 26 1/8 26 27 26 7/8 54.3 62.3 1.8 1.8
3 208-230/460 56C 14 3/4 15 5/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 24 24 1/8 24 7/8 25 54.3 62.3 1.8 1.8CRN 1-9 1 1 115/208-230* 56C 15 3/8 16 3/8 11 3/8 6 1/4 4 1/2 11 1/4 7 1/4 5 1/4 26 3/4 26 5/8 27 3/4 27 5/8 55.2 64.2 1.8 2.1
3 208-230/460 56C 15 3/8 16 3/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 24 5/8 24 3/4 25 5/8 25 3/4 55.2 64.2 1.8 2.1CRN 1-10 1 1 115/208-230* 56C 16 1/8 17 1/8 11 3/8 6 1/4 4 1/2 11 1/4 7 1/4 5 1/4 27 1/2 27 3/8 28 1/2 28 3/8 56.3 66.4 1.8 2.7
3 208-230/460 56C 16 1/8 17 1/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 25 3/8 25 1/2 26 3/8 26 1/2 56.3 66.4 1.8 2.7CRN 1-11 1 1/2 1 115/208-230 56C 16 7/8 17 3/4 11 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 28 1/8 28 1/8 29 29 65.8 73.7 2.7 2.7
3 208-230/460 56C 16 7/8 17 3/4 10 3/4 6 1/4 4 1/2 10 1/4 7 1/4 5 1/4 27 5/8 27 1/8 28 1/2 28 65.8 73.7 2.7 2.7CRN 1-12 1 1/2 1 115/208-230 56C 17 1/2 18 1/2 11 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 28 3/4 28 3/4 29 3/4 29 3/4 66.9 74.8 2.7 2.7
3 208-230/460 56C 17 1/2 18 1/2 10 3/4 6 1/4 4 1/2 10 1/4 7 1/4 5 1/4 28 1/4 27 3/4 29 1/4 28 3/4 66.9 74.8 2.7 2.7CRN 1-13 1 1/2 1 115/208-230 56C 18 1/4 19 1/4 11 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 29 1/2 29 1/2 30 1/2 30 1/2 67.5 75.4 2.7 2.7
3 208-230/460 56C 18 1/4 19 1/4 10 3/4 6 1/4 4 1/2 10 1/4 7 1/4 5 1/4 29 28 1/2 30 29 1/2 67.5 75.4 2.7 2.7CRN 1-15 2 1 115/208-230* 56C 19 5/8 20 5/8 11 1/4 7 1/4 5 1/8 12 1/8 7 1/4 5 1/4 30 7/8 31 3/4 31 7/8 32 3/4 73.3 81.2 2.7 2.7
3 208-230/460 56C 19 5/8 20 5/8 10 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 29 7/8 30 7/8 30 7/8 31 7/8 73.3 81.2 2.7 2.7CRN 1-17 2 1 115/208-230* 56C 21 1/8 22 11 1/4 7 1/4 5 1/8 12 1/8 7 1/4 5 1/4 32 3/8 33 1/4 33 1/4 34 1/8 74.4 82.3 2.7 2.7
3 208-230/460 56C 21 1/8 22 10 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 31 3/8 32 3/8 32 1/4 33 1/4 74.4 82.3 2.7 2.7CRN 1-19 2 1 115/208-230* 56C 22 1/2 23 1/2 11 1/4 7 1/4 5 1/8 12 1/8 7 1/4 5 1/4 33 3/4 34 5/8 34 3/4 35 5/8 75.9 83.8 2.7 2.7
3 208-230/460 56C 22 1/2 23 1/2 10 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 32 3/4 33 3/4 33 3/4 34 3/4 75.9 83.8 2.7 2.7CRN 1-21 3 1 115/208-230 182TC 25 26 13 3/4 8 1/2 5 7/8 13 3/4 8 1/2 6 38 3/4 38 3/4 39 3/4 39 3/4 94.0 101.9 2.7 2.7
3 208-230/460 182TC 25 26 11 1/2 7 1/4 5 1/8 12 3/8 8 1/2 6 36 1/2 37 3/8 37 1/2 38 3/8 94.0 101.9 2.7 2.7CRN 1-23 3 1 115/208-230 182TC 26 3/8 27 3/8 13 3/4 8 1/2 5 7/8 13 3/4 8 1/2 6 40 1/8 40 1/8 41 1/8 41 1/8 95.8 104.8 2.7 3.8
3 208-230/460 182TC 26 3/8 27 3/8 11 1/2 7 1/4 5 1/8 12 3/8 8 1/2 6 37 7/8 38 3/4 38 7/8 39 3/4 95.8 104.8 2.7 3.8CRN 1-25 3 1 115/208-230 182TC 27 7/8 28 7/8 13 3/4 8 1/2 5 7/8 13 3/4 8 1/2 6 41 5/8 41 5/8 42 5/8 42 5/8 99.5 107.4 3.8 3.8
3 208-230/460 182TC 27 7/8 28 7/8 11 1/2 7 1/4 5 1/8 12 3/8 8 1/2 6 39 3/8 40 1/4 40 3/8 41 1/4 99.5 107.4 3.8 3.8CRN 1-27 3 1 115/208-230 182TC 29 1/4 30 1/4 13 3/4 8 1/2 5 7/8 13 3/4 8 1/2 6 43 43 44 44 100.6 108.5 3.8 3.8
3 208-230/460 182TC 29 1/4 30 1/4 11 1/2 7 1/4 5 1/8 12 3/8 8 1/2 6 40 3/4 41 5/8 41 3/4 42 5/8 100.6 108.5 3.8 3.8
*TEFC voltage is 115/2301Weights and Volumes based on Pump with 3-phase ODP Motor (see price list for individual weights)
0 2 4 6 8 10 12 14 16 18 20 22 Q [US GPM]0
50
100
150
200
250
300
350
400
450
500
550
600
650
700
750
H [ft]
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 Q [m/h]
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
H [m]
0
50
100
150
200
250
300
350
400
450
500
550
600
650
700
750
H [ft]CR 360 Hz
3550 RPM
-10
-11
-12
-13
-15
-17
-19
-21
-23
-25
-3
-2
-4
-5 -6
-7 -8
-9
0 2 4 6 8 10 12 14 16 18 20 22 Q [US GPM]0.00
0.05
0.10
0.15
P2[hp]
0
20
40
60
Eta[%]
0.00
0.04
0.08
P2[kW]
P2
Eta
0 2 4 6 8 10 12 14 16 18 20 22 Q [US GPM]0
5
10
NPSH[ft]
0
5
10
H [ft]
0
2
H [m]
NPSHR
TM02
150
7 13
01
28
GENERAL DATA GRUNDFOS CR(I)(N) 1s, 1, 3, and 5PERFORMANCE CURVES GRUNDFOS CR 3
29
GRUNDFOS CR 3 TECHNICAL DATA
Pump Type HP PH Voltage
NEMA Frame Size
Oval B1
ANSI B1
ODP B2 D1 D2
TEFC B2 D1 D2
Oval ODP
B1+B2
Oval TEFC B1+B2
ANSI ODP
B1+B2
ANSI TEFC B1+B2
Oval Ship Wt.1 [lbs.]
ANSI Ship Wt.1 [lbs.]
Oval Ship
Vol.1 [ft]
ANSI Ship Vol.1
[ft]CR 3-2 1/3 1 115/230 56C 11 12 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 20 1/4 20 3/8 21 1/4 21 3/8 53.0 62.0 1.8 1.8
3 208-230/460 56C 11 12 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 20 1/4 20 3/8 21 1/4 21 3/8 53.0 62.0 1.8 1.8CR 3-3 1/2 1 115/230 56C 11 12 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 20 1/4 20 3/8 21 1/4 21 3/8 52.1 61.2 1.8 1.8
3 208-230/460 56C 11 12 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 20 1/4 20 3/8 21 1/4 21 3/8 52.1 61.2 1.8 1.8CR 3-4 3/4 1 115/208-230 56C 11 3/4 12 3/4 10 3/4 6 1/4 4 1/2 10 6 1/4 4 5/8 22 1/2 21 3/4 23 1/2 22 3/4 54.5 63.5 1.8 1.8
3 208-230/460 56C 11 3/4 12 3/4 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 21 21 1/8 22 22 1/8 54.5 63.5 1.8 1.8CR 3-5 3/4 1 115/208-230 56C 12 1/2 13 3/8 10 3/4 6 1/4 4 1/2 10 6 1/4 4 5/8 23 1/4 22 1/2 24 1/8 23 3/8 55.1 64.1 1.8 1.8
3 208-230/460 56C 12 1/2 13 3/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 21 3/4 21 7/8 22 5/8 22 3/4 55.1 64.1 1.8 1.8CR 3-6 1 1 115/208-230* 56C 13 1/8 14 1/8 11 3/8 6 1/4 4 1/2 11 1/4 7 1/4 5 1/4 24 1/2 24 3/8 25 1/2 25 3/8 57.4 66.4 1.8 1.8
3 208-230/460 56C 13 1/8 14 1/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 22 3/8 22 1/2 23 3/8 23 1/2 57.4 66.4 1.8 1.8CR 3-7 1 1/2 1 115/208-230 56C 13 7/8 14 7/8 11 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 25 1/8 25 1/8 26 1/8 26 1/8 64.9 75.0 1.8 2.1
3 208-230/460 56C 13 7/8 14 7/8 10 3/4 6 1/4 4 1/2 10 1/4 7 1/4 5 1/4 24 5/8 24 1/8 25 5/8 25 1/8 64.9 75.0 1.8 2.1CR 3-8 1 1/2 1 115/208-230 56C 14 5/8 15 1/2 11 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 25 7/8 25 7/8 26 3/4 26 3/4 66.7 76.8 1.8 2.1
3 208-230/460 56C 14 5/8 15 1/2 10 3/4 6 1/4 4 1/2 10 1/4 7 1/4 5 1/4 25 3/8 24 7/8 26 1/4 25 3/4 66.7 76.8 1.8 2.1CR 3-9 1 1/2 1 115/208-230 56C 15 1/4 16 1/4 11 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 26 1/2 26 1/2 27 1/2 27 1/2 68.6 78.8 2.1 2.7
3 208-230/460 56C 15 1/4 16 1/4 10 3/4 6 1/4 4 1/2 10 1/4 7 1/4 5 1/4 26 25 1/2 27 26 1/2 68.6 78.8 2.1 2.7CR 3-10 2 1 115/208-230* 56C 16 17 11 1/4 7 1/4 5 1/8 12 1/8 7 1/4 5 1/4 27 1/4 28 1/8 28 1/4 29 1/8 74.4 84.5 2.1 2.7
3 208-230/460 56C 16 17 10 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 26 1/4 27 1/4 27 1/4 28 1/4 74.4 84.5 2.1 2.7CR 3-11 2 1 115/208-230* 56C 16 3/4 17 5/8 11 1/4 7 1/4 5 1/8 12 1/8 7 1/4 5 1/4 28 28 7/8 28 7/8 29 3/4 76.6 85.6 2.7 2.7
3 208-230/460 56C 16 3/4 17 5/8 10 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 27 28 27 7/8 28 7/8 76.6 85.6 2.7 2.7CR 3-12 2 1 115/208-230* 56C 17 3/8 18 3/8 11 1/4 7 1/4 5 1/8 12 1/8 7 1/4 5 1/4 28 5/8 29 1/2 29 5/8 30 1/2 77.7 86.7 2.7 2.7
3 208-230/460 56C 17 3/8 18 3/8 10 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 27 5/8 28 5/8 28 5/8 29 5/8 77.7 86.7 2.7 2.7CR 3-13 3 1 115/208-230 182TC 19 1/4 20 1/4 13 3/4 8 1/2 5 7/8 13 3/4 8 1/2 6 33 33 34 34 94.5 103.6 2.7 2.7
3 208-230/460 182TC 19 1/4 20 1/4 11 1/2 7 1/4 5 1/8 12 3/8 8 1/2 6 30 3/4 31 5/8 31 3/4 32 5/8 94.5 103.6 2.7 2.7CR 3-15 3 1 115/208-230 182TC 20 5/8 21 5/8 13 3/4 8 1/2 5 7/8 13 3/4 8 1/2 6 34 3/8 34 3/8 35 3/8 35 3/8 95.7 104.7 2.7 2.7
3 208-230/460 182TC 20 5/8 21 5/8 11 1/2 7 1/4 5 1/8 12 3/8 8 1/2 6 32 1/8 33 33 1/8 34 95.7 104.7 2.7 2.7CR 3-17 3 1 115/208-230 182TC 22 23 13 3/4 8 1/2 5 7/8 13 3/4 8 1/2 6 35 3/4 35 3/4 36 3/4 36 3/4 96.8 105.8 2.7 2.7
3 208-230/460 182TC 22 23 11 1/2 7 1/4 5 1/8 12 3/8 8 1/2 6 33 1/2 34 3/8 34 1/2 35 3/8 96.8 105.8 2.7 2.7CR 3-19 3 1 115/208-230 182TC 24 1/2 13 3/4 8 1/2 5 7/8 13 3/4 8 1/2 6 38 1/4 38 1/4 107.4 2.7
3 208-230/460 182TC 24 1/2 11 1/2 7 1/4 5 1/8 12 3/8 8 1/2 6 36 36 7/8 107.4 2.7CR 3-21 5 1 208-230** 213TC 25 7/8 15 3/8 8 1/2 7 3/8 15 3/8 10 5/8 7 1/2 41 1/4 41 1/4 116.4 3.8
3 208-230/460 184TC 25 7/8 14 1/8 7 1/4 5 1/8 16 8 1/2 6 40 41 7/8 116.4 3.8CR 3-23 5 1 208-230** 213TC 27 1/4 15 3/8 8 1/2 7 3/8 15 3/8 10 5/8 7 1/2 42 5/8 42 5/8 118.3 3.8
3 208-230/460 184TC 27 1/4 14 1/8 7 1/4 5 1/8 16 8 1/2 6 41 3/8 43 1/4 118.3 3.8CR 3-25 5 1 208-230** 213TC 28 3/4 15 3/8 8 1/2 7 3/8 15 3/8 10 5/8 7 1/2 44 1/8 44 1/8 120.8 3.8
3 208-230/460 184TC 28 3/4 14 1/8 7 1/4 5 1/8 16 8 1/2 6 42 7/8 44 3/4 120.8 3.8
*TEFC voltage is 115/230 (**230)1Weights and Volumes based on Pump with 3-phase ODP Motor (see price list for individual weights)
30
GENERAL DATA GRUNDFOS CR(I)(N) 1s, 1, 3, and 5PERFORMANCE CURVES GRUNDFOS CRI 3
0 2 4 6 8 10 12 14 16 18 20 22 Q [US GPM]0
50
100
150
200
250
300
350
400
450
500
550
600
650
700
750
H [ft]
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 Q [m/h]
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
H [m]
0
50
100
150
200
250
300
350
400
450
500
550
600
650
700
750
H [ft]CRI 360 Hz
3550 RPM
-10
-11
-12
-13
-15
-17
-19
-21
-23
-25
-3
-2
-4
-5 -6
-7 -8
-9
0 2 4 6 8 10 12 14 16 18 20 22 Q [US GPM]0.00
0.05
0.10
0.15
P2[hp]
0
20
40
60
Eta[%]
0.00
0.04
0.08
P2[kW]
P2
Eta
0 2 4 6 8 10 12 14 16 18 20 22 Q [US GPM]0
5
10
NPSH[ft]
0
5
10
H [ft]
0
2
H [m]
NPSHR
TM02
150
8 13
01
31
GRUNDFOS CRI 3 TECHNICAL DATA
4
Pump Type HP PH Voltage
NEMA Frame Size
Oval B1
ANSI B1
ODP B2 D1 D2
TEFC B2 D1 D2
Oval ODP
B1+B2
Oval TEFC B1+B2
ANSI ODP
B1+B2
ANSI TEFC B1+B2
Oval Ship Wt.1 [lbs.]
ANSI Ship Wt.1 [lbs.]
Oval Ship
Vol.1 [ft]
ANSI Ship Vol.1
[ft]CRI 3-2 1/3 1 115/230 56C 11 1/8 12 1/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 20 3/8 20 1/2 21 3/8 21 1/2 46.2 54.8 1.8 1.8
3 208-230/460 56C 11 1/8 12 1/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 20 3/8 20 1/2 21 3/8 21 1/2 46.2 54.8 1.8 1.8CRI 3-3 1/2 1 115/230 56C 11 1/8 12 1/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 20 3/8 20 1/2 21 3/8 21 1/2 45.3 53.9 1.8 1.8
3 208-230/460 56C 11 1/8 12 1/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 20 3/8 20 1/2 21 3/8 21 1/2 45.3 53.9 1.8 1.8CRI 3-4 3/4 1 115/208-230 56C 11 7/8 12 7/8 10 3/4 6 1/4 4 1/2 10 6 1/4 4 5/8 22 5/8 21 7/8 23 5/8 22 7/8 47.7 56.3 1.8 1.8
3 208-230/460 56C 11 7/8 12 7/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 21 1/8 21 1/4 22 1/8 22 1/4 47.7 56.3 1.8 1.8CRI 3-5 3/4 1 115/208-230 56C 12 5/8 13 1/2 10 3/4 6 1/4 4 1/2 10 6 1/4 4 5/8 23 3/8 22 5/8 24 1/4 23 1/2 48.2 56.8 1.8 1.8
3 208-230/460 56C 12 5/8 13 1/2 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 21 7/8 22 22 3/4 22 7/8 48.2 56.8 1.8 1.8CRI 3-6 1 1 115/208-230* 56C 13 1/4 14 1/4 11 3/8 6 1/4 4 1/2 11 1/4 7 1/4 5 1/4 24 5/8 24 1/2 25 5/8 25 1/2 50.6 59.2 1.8 1.8
3 208-230/460 56C 13 1/4 14 1/4 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 22 1/2 22 5/8 23 1/2 23 5/8 50.6 59.2 1.8 1.8CRI 3-7 1 1/2 1 115/208-230 56C 14 15 11 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 25 1/4 25 1/4 26 1/4 26 1/4 58.1 67.8 1.8 2.1
3 208-230/460 56C 14 15 10 3/4 6 1/4 4 1/2 10 1/4 7 1/4 5 1/4 24 3/4 24 1/4 25 3/4 25 1/4 58.1 67.8 1.8 2.1CRI 3-8 1 1/2 1 115/208-230 56C 14 3/4 15 5/8 11 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 26 26 26 7/8 26 7/8 59.8 70.6 1.8 2.7
3 208-230/460 56C 14 3/4 15 5/8 10 3/4 6 1/4 4 1/2 10 1/4 7 1/4 5 1/4 25 1/2 25 26 3/8 25 7/8 59.8 70.6 1.8 2.7CRI 3-9 1 1/2 1 115/208-230 56C 15 3/8 16 3/8 11 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 26 5/8 26 5/8 27 5/8 27 5/8 61.8 71.5 2.1 2.7
3 208-230/460 56C 15 3/8 16 3/8 10 3/4 6 1/4 4 1/2 10 1/4 7 1/4 5 1/4 26 1/8 25 5/8 27 1/8 26 5/8 61.8 71.5 2.1 2.7CRI 3-10 2 1 115/208-230* 56C 16 1/8 17 1/8 11 1/4 7 1/4 5 1/8 12 1/8 7 1/4 5 1/4 27 3/8 28 1/4 28 3/8 29 1/4 68.6 77.2 2.7 2.7
3 208-230/460 56C 16 1/8 17 1/8 10 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 26 3/8 27 3/8 27 3/8 28 3/8 68.6 77.2 2.7 2.7CRI 3-11 2 1 115/208-230* 56C 16 7/8 17 3/4 11 1/4 7 1/4 5 1/8 12 1/8 7 1/4 5 1/4 28 1/8 29 29 29 7/8 69.7 78.3 2.7 2.7
3 208-230/460 56C 16 7/8 17 3/4 10 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 27 1/8 28 1/8 28 29 69.7 78.3 2.7 2.7CRI 3-12 2 1 115/208-230* 56C 17 1/2 18 1/2 11 1/4 7 1/4 5 1/8 12 1/8 7 1/4 5 1/4 28 3/4 29 5/8 29 3/4 30 5/8 70.8 79.4 2.7 2.7
3 208-230/460 56C 17 1/2 18 1/2 10 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 27 3/4 28 3/4 28 3/4 29 3/4 70.8 79.4 2.7 2.7CRI 3-13 3 1 115/208-230 182TC 19 3/8 20 3/8 13 3/4 8 1/2 5 7/8 13 3/4 8 1/2 6 33 1/8 33 1/8 34 1/8 34 1/8 87.7 96.3 2.7 2.7
3 208-230/460 182TC 19 3/8 20 3/8 11 1/2 7 1/4 5 1/8 12 3/8 8 1/2 6 30 7/8 31 3/4 31 7/8 32 3/4 87.7 96.3 2.7 2.7CRI 3-15 3 1 115/208-230 182TC 20 3/4 21 3/4 13 3/4 8 1/2 5 7/8 13 3/4 8 1/2 6 34 1/2 34 1/2 35 1/2 35 1/2 88.9 97.5 2.7 2.7
3 208-230/460 182TC 20 3/4 21 3/4 11 1/2 7 1/4 5 1/8 12 3/8 8 1/2 6 32 1/4 33 1/8 33 1/4 34 1/8 88.9 97.5 2.7 2.7CRI 3-17 3 1 115/208-230 182TC 22 1/8 23 1/8 13 3/4 8 1/2 5 7/8 13 3/4 8 1/2 6 35 7/8 35 7/8 36 7/8 36 7/8 90.0 98.6 2.7 2.7
3 208-230/460 182TC 22 1/8 23 1/8 11 1/2 7 1/4 5 1/8 12 3/8 8 1/2 6 33 5/8 34 1/2 34 5/8 35 1/2 90.0 98.6 2.7 2.7CRI 3-19 3 1 115/208-230 182TC 24 5/8 13 3/4 8 1/2 5 7/8 13 3/4 8 1/2 6 38 3/8 38 3/8 100.1 2.7
3 208-230/460 182TC 24 5/8 11 1/2 7 1/4 5 1/8 12 3/8 8 1/2 6 36 1/8 37 100.1 2.7CRI 3-21 5 1 208-230** 213TC 26 15 3/8 8 1/2 7 3/8 15 3/8 10 5/8 7 1/2 41 3/8 41 3/8 109.1 3.8
3 208-230/460 184TC 26 14 1/8 7 1/4 5 1/8 16 8 1/2 6 40 1/8 42 109.1 3.8CRI 3-23 5 1 208-230** 213TC 27 3/8 15 3/8 8 1/2 7 3/8 15 3/8 10 5/8 7 1/2 42 3/4 42 3/4 111.0 3.8
3 208-230/460 184TC 27 3/8 14 1/8 7 1/4 5 1/8 16 8 1/2 6 41 1/2 43 3/8 111.0 3.8CRI 3-25 5 1 208-230** 213TC 28 7/8 15 3/8 8 1/2 7 3/8 15 3/8 10 5/8 7 1/2 44 1/4 44 1/4 113.5 3.8
3 208-230/460 184TC 28 7/8 14 1/8 7 1/4 5 1/8 16 8 1/2 6 43 44 7/8 113.5 3.8
*TEFC voltage is 115/230 (**230)1Weights and Volumes based on Pump with 3-phase ODP Motor (see price list for individual weights)
32
GENERAL DATA GRUNDFOS CR(I)(N) 1s, 1, 3, and 5PERFORMANCE CURVES GRUNDFOS CRN 3
0 2 4 6 8 10 12 14 16 18 20 22 Q [US GPM]0
50
100
150
200
250
300
350
400
450
500
550
600
650
700
750
H [ft]
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 Q [m/h]
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
H [m]
0
50
100
150
200
250
300
350
400
450
500
550
600
650
700
750
H [ft]CRN 3
60 Hz3550 RPM
-10
-11
-12
-13
-15
-17
-19
-21
-23
-25
-3
-2
-4
-5 -6
-7 -8
-9
0 2 4 6 8 10 12 14 16 18 20 22 Q [US GPM]0.00
0.05
0.10
0.15
P2[hp]
0
20
40
60
Eta[%]
0.00
0.04
0.08
P2[kW]
P2
Eta
0 2 4 6 8 10 12 14 16 18 20 22 Q [US GPM]0
5
10
NPSH[ft]
0
5
10
H [ft]
0
2
H [m]
NPSHR
TM02
150
9 13
01
33
GRUNDFOS CRN 3 TECHNICAL DATA
Pump Type HP PH Voltage
NEMA Frame Size
PJE B1
ANSI B1
ODP B2 D1 D2
TEFC B2 D1 D2
PJE ODP
B1+B2
PJE TEFC B1+B2
ANSI ODP
B1+B2
ANSI TEFC B1+B2
Oval Ship Wt.1 [lbs.]
ANSI Ship Wt.1 [lbs.]
Oval Ship
Vol.1 [ft]
ANSI Ship Vol.1
[ft]CRN 3-2 1/3 1 115/230 56C 11 1/8 12 1/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 20 3/8 20 1/2 21 3/8 21 1/2 46.9 54.8 1.8 1.8
3 208-230/460 56C 11 1/8 12 1/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 20 3/8 20 1/2 21 3/8 21 1/2 46.9 54.8 1.8 1.8CRN 3-3 1/2 1 115/230 56C 11 1/8 12 1/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 20 3/8 20 1/2 21 3/8 21 1/2 46.0 53.9 1.8 1.8
3 208-230/460 56C 11 1/8 12 1/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 20 3/8 20 1/2 21 3/8 21 1/2 46.0 53.9 1.8 1.8CRN 3-4 3/4 1 115/208-230 56C 11 7/8 12 7/8 10 3/4 6 1/4 4 1/2 10 6 1/4 4 5/8 22 5/8 21 7/8 23 5/8 22 7/8 48.3 56.3 1.8 1.8
3 208-230/460 56C 11 7/8 12 7/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 21 1/8 21 1/4 22 1/8 22 1/4 48.3 56.3 1.8 1.8CRN 3-5 3/4 1 115/208-230 56C 12 5/8 13 1/2 10 3/4 6 1/4 4 1/2 10 6 1/4 4 5/8 23 3/8 22 5/8 24 1/4 23 1/2 48.9 56.8 1.8 1.8
3 208-230/460 56C 12 5/8 13 1/2 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 21 7/8 22 22 3/4 22 7/8 48.9 56.8 1.8 1.8CRN 3-6 1 1 115/208-230* 56C 13 1/4 14 1/4 11 3/8 6 1/4 4 1/2 11 1/4 7 1/4 5 1/4 24 5/8 24 1/2 25 5/8 25 1/2 51.3 59.2 1.8 1.8
3 208-230/460 56C 13 1/4 14 1/4 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 22 1/2 22 5/8 23 1/2 23 5/8 51.3 59.2 1.8 1.8CRN 3-7 1 1/2 1 115/208-230 56C 14 15 11 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 25 1/4 25 1/4 26 1/4 26 1/4 58.7 67.8 1.8 2.1
3 208-230/460 56C 14 15 10 3/4 6 1/4 4 1/2 10 1/4 7 1/4 5 1/4 24 3/4 24 1/4 25 3/4 25 1/4 58.7 67.8 1.8 2.1CRN 3-8 1 1/2 1 115/208-230 56C 14 3/4 15 5/8 11 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 26 26 26 7/8 26 7/8 60.5 70.6 1.8 2.7
3 208-230/460 56C 14 3/4 15 5/8 10 3/4 6 1/4 4 1/2 10 1/4 7 1/4 5 1/4 25 1/2 25 26 3/8 25 7/8 60.5 70.6 1.8 2.7CRN 3-9 1 1/2 1 115/208-230 56C 15 3/8 16 3/8 11 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 26 5/8 26 5/8 27 5/8 27 5/8 62.5 71.5 2.1 2.7
3 208-230/460 56C 15 3/8 16 3/8 10 3/4 6 1/4 4 1/2 10 1/4 7 1/4 5 1/4 26 1/8 25 5/8 27 1/8 26 5/8 62.5 71.5 2.1 2.7CRN 3-10 2 1 115/208-230* 56C 16 1/8 17 1/8 11 1/4 7 1/4 5 1/8 12 1/8 7 1/4 5 1/4 27 3/8 28 1/4 28 3/8 29 1/4 69.3 77.2 2.7 2.7
3 208-230/460 56C 16 1/8 17 1/8 10 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 26 3/8 27 3/8 27 3/8 28 3/8 69.3 77.2 2.7 2.7CRN 3-11 2 1 115/208-230* 56C 16 7/8 17 3/4 11 1/4 7 1/4 5 1/8 12 1/8 7 1/4 5 1/4 28 1/8 29 29 29 7/8 70.4 78.3 2.7 2.7
3 208-230/460 56C 16 7/8 17 3/4 10 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 27 1/8 28 1/8 28 29 70.4 78.3 2.7 2.7CRN 3-12 2 1 115/208-230* 56C 17 1/2 18 1/2 11 1/4 7 1/4 5 1/8 12 1/8 7 1/4 5 1/4 28 3/4 29 5/8 29 3/4 30 5/8 71.5 79.4 2.7 2.7
3 208-230/460 56C 17 1/2 18 1/2 10 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 27 3/4 28 3/4 28 3/4 29 3/4 71.5 79.4 2.7 2.7CRN 3-13 3 1 115/208-230 182TC 19 3/8 20 3/8 13 3/4 8 1/2 5 7/8 13 3/4 8 1/2 6 33 1/8 33 1/8 34 1/8 34 1/8 88.4 96.3 2.7 2.7
3 208-230/460 182TC 19 3/8 20 3/8 11 1/2 7 1/4 5 1/8 12 3/8 8 1/2 6 30 7/8 31 3/4 31 7/8 32 3/4 88.4 96.3 2.7 2.7CRN 3-15 3 1 115/208-230 182TC 20 3/4 21 3/4 13 3/4 8 1/2 5 7/8 13 3/4 8 1/2 6 34 1/2 34 1/2 35 1/2 35 1/2 89.5 97.5 2.7 2.7
3 208-230/460 182TC 20 3/4 21 3/4 11 1/2 7 1/4 5 1/8 12 3/8 8 1/2 6 32 1/4 33 1/8 33 1/4 34 1/8 89.5 97.5 2.7 2.7CRN 3-17 3 1 115/208-230 182TC 22 1/8 23 1/8 13 3/4 8 1/2 5 7/8 13 3/4 8 1/2 6 35 7/8 35 7/8 36 7/8 36 7/8 90.6 98.6 2.7 2.7
3 208-230/460 182TC 22 1/8 23 1/8 11 1/2 7 1/4 5 1/8 12 3/8 8 1/2 6 33 5/8 34 1/2 34 5/8 35 1/2 90.6 98.6 2.7 2.7CRN 3-19 3 1 115/208-230 182TC 23 5/8 24 5/8 13 3/4 8 1/2 5 7/8 13 3/4 8 1/2 6 37 3/8 37 3/8 38 3/8 38 3/8 92.2 100.1 2.7 2.7
3 208-230/460 182TC 23 5/8 24 5/8 11 1/2 7 1/4 5 1/8 12 3/8 8 1/2 6 35 1/8 36 36 1/8 37 92.2 100.1 2.7 2.7CRN 3-21 5 1 208-230** 213TC 25 26 15 3/8 8 1/2 7 3/8 15 3/8 10 5/8 7 1/2 40 3/8 40 3/8 41 3/8 41 3/8 101.2 109.1 3.8 3.8
3 208-230/460 184TC 25 26 14 1/8 7 1/4 5 1/8 16 8 1/2 6 39 1/8 41 40 1/8 42 101.2 109.1 3.8 3.8CRN 3-23 5 1 208-230** 213TC 26 3/8 27 3/8 15 3/8 8 1/2 7 3/8 15 3/8 10 5/8 7 1/2 41 3/4 41 3/4 42 3/4 42 3/4 103.1 111.0 3.8 3.8
3 208-230/460 184TC 26 3/8 27 3/8 14 1/8 7 1/4 5 1/8 16 8 1/2 6 40 1/2 42 3/8 41 1/2 43 3/8 103.1 111.0 3.8 3.8CRN 3-25 5 1 208-230** 213TC 27 7/8 28 7/8 15 3/8 8 1/2 7 3/8 15 3/8 10 5/8 7 1/2 43 1/4 43 1/4 44 1/4 44 1/4 105.6 113.5 3.8 3.8
3 208-230/460 184TC 27 7/8 28 7/8 14 1/8 7 1/4 5 1/8 16 8 1/2 6 42 43 7/8 43 44 7/8 105.6 113.5 3.8 3.8
*TEFC voltage is 115/230 (**230)1Weights and Volumes based on Pump with 3-phase ODP Motor (see price list for individual weights)
34
PERFORMANCE CURVES GRUNDFOS CR 5
0 5 10 15 20 25 30 35 40 Q [US GPM]0
50
100
150
200
250
300
350
400
450
500
550
600
650
700
750
H [ft]
0 1 2 3 4 5 6 7 8 9 10 Q [m/h]
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
H [m]
0
50
100
150
200
250
300
350
400
450
500
550
600
650
700
750
H [ft]CR 560 Hz
3550 RPM
-10 -11
-12
-13
-14 -15
-16
-18
-2
-20
-22
-24
-3
-4
-5
-6 -7
-8 -9
0 5 10 15 20 25 30 35 40 Q [US GPM]0.0
0.1
0.2
0.3
P2[hp]
0
20
40
60
Eta[%]
0.0
0.1
0.2
P2[kW]
P2Eta
0 5 10 15 20 25 30 35 40 Q [US GPM]0
5
10
15
NPSH[ft]
0
5
10
15H [ft]
0
2
4
H [m]
NPSHR
TM02
151
0 27
01
GRUNDFOS CR 5 TECHNICAL DATA
35
Pump Type HP PH Voltage
NEMA Frame Size
Oval B1
ANSI B1
ODP B2 D1 D2
TEFC B2 D1 D2
Oval ODP
B1+B2
Oval TEFC B1+B2
ANSI ODP
B1+B2
ANSI TEFC B1+B2
Oval Ship Wt.1 [lbs.]
ANSI Ship Wt.1 [lbs.]
Oval Ship
Vol.1 [ft]
ANSI Ship Vol.1
[ft]CR 5-2 3/4 1 115/208-230 56C 11 12 10 3/4 6 1/4 4 1/2 10 6 1/4 4 5/8 21 3/4 21 22 3/4 22 53.9 62.9 1.8 1.8
3 208-230/460 56C 11 12 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 20 1/4 20 3/8 21 1/4 21 3/8 53.9 62.9 1.8 1.8CR 5-3 1 1 115/208-230* 56C 12 1/8 13 1/8 11 3/8 6 1/4 4 1/2 11 1/4 7 1/4 5 1/4 23 1/2 23 3/8 24 1/2 24 3/8 56.5 65.6 1.8 1.8
3 208-230/460 56C 12 1/8 13 1/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 21 3/8 21 1/2 22 3/8 22 1/2 56.5 65.6 1.8 1.8CR 5-4 1 1/2 1 115/208-230 56C 13 1/8 14 1/8 11 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 24 3/8 24 3/8 25 3/8 25 3/8 63.6 72.6 1.8 1.8
3 208-230/460 56C 13 1/8 14 1/8 10 3/4 6 1/4 4 1/2 10 1/4 7 1/4 5 1/4 23 7/8 23 3/8 24 7/8 24 3/8 63.6 72.6 1.8 1.8CR 5-5 1 1/2 1 115/208-230 56C 14 1/4 15 1/4 11 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 25 1/2 25 1/2 26 1/2 26 1/2 66.2 76.3 1.8 2.1
3 208-230/460 56C 14 1/4 15 1/4 10 3/4 6 1/4 4 1/2 10 1/4 7 1/4 5 1/4 25 24 1/2 26 25 1/2 66.2 76.3 1.8 2.1CR 5-6 2 1 115/208-230* 56C 15 1/4 16 1/4 11 1/4 7 1/4 5 1/8 12 1/8 7 1/4 5 1/4 26 1/2 27 3/8 27 1/2 28 3/8 73.3 83.4 2.1 2.7
3 208-230/460 56C 15 1/4 16 1/4 10 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 25 1/2 26 1/2 26 1/2 27 1/2 73.3 83.4 2.1 2.7CR 5-7 2 1 115/208-230* 56C 16 3/8 17 3/8 11 1/4 7 1/4 5 1/8 12 1/8 7 1/4 5 1/4 27 5/8 28 1/2 28 5/8 29 1/2 76.0 85.0 2.7 2.7
3 208-230/460 56C 16 3/8 17 3/8 10 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 26 5/8 27 5/8 27 5/8 28 5/8 76.0 85.0 2.7 2.7CR 5-8 3 1 115/208-230 182TC 18 1/2 19 1/2 13 3/4 8 1/2 5 7/8 13 3/4 8 1/2 6 32 1/4 32 1/4 33 1/4 33 1/4 93.9 103.0 2.7 2.7
3 208-230/460 182TC 18 1/2 19 1/2 11 1/2 7 1/4 5 1/8 12 3/8 8 1/2 6 30 30 7/8 31 31 7/8 93.9 103.0 2.7 2.7CR 5-9 3 1 115/208-230 182TC 19 1/2 20 1/2 13 3/4 8 1/2 5 7/8 13 3/4 8 1/2 6 33 1/4 33 1/4 34 1/4 34 1/4 94.8 103.8 2.7 2.7
3 208-230/460 182TC 19 1/2 20 1/2 11 1/2 7 1/4 5 1/8 12 3/8 8 1/2 6 31 31 7/8 32 32 7/8 94.8 103.8 2.7 2.7CR 5-10 3 1 115/208-230 182TC 20 5/8 21 5/8 13 3/4 8 1/2 5 7/8 13 3/4 8 1/2 6 34 3/8 34 3/8 35 3/8 35 3/8 95.7 104.7 2.7 2.7
3 208-230/460 182TC 20 5/8 21 5/8 11 1/2 7 1/4 5 1/8 12 3/8 8 1/2 6 32 1/8 33 33 1/8 34 95.7 104.7 2.7 2.7CR 5-11 5 1 208-230** 213TC 21 5/8 22 5/8 15 3/8 8 1/2 7 3/8 15 3/8 10 5/8 7 1/2 37 37 38 38 102.7 111.7 2.7 2.7
3 208-230/460 184TC 21 5/8 22 5/8 14 1/8 7 1/4 5 1/8 16 8 1/2 6 35 3/4 37 5/8 36 3/4 38 5/8 102.7 111.7 2.7 2.7CR 5-12 5 1 208-230** 213TC 22 3/4 23 3/4 15 3/8 8 1/2 7 3/8 15 3/8 10 5/8 7 1/2 38 1/8 38 1/8 39 1/8 39 1/8 103.5 112.5 2.7 2.7
3 208-230/460 184TC 22 3/4 23 3/4 14 1/8 7 1/4 5 1/8 16 8 1/2 6 36 7/8 38 3/4 37 7/8 39 3/4 103.5 112.5 2.7 2.7CR 5-13 5 1 208-230** 213TC 23 3/4 24 3/4 15 3/8 8 1/2 7 3/8 15 3/8 10 5/8 7 1/2 39 1/8 39 1/8 40 1/8 40 1/8 104.9 115.0 2.7 3.8
3 208-230/460 184TC 23 3/4 24 3/4 14 1/8 7 1/4 5 1/8 16 8 1/2 6 37 7/8 39 3/4 38 7/8 40 3/4 104.9 115.0 2.7 3.8CR 5-14 5 1 208-230** 213TC 24 7/8 25 7/8 15 3/8 8 1/2 7 3/8 15 3/8 10 5/8 7 1/2 40 1/4 40 1/4 41 1/4 41 1/4 107.4 116.4 3.8 3.8
3 208-230/460 184TC 24 7/8 25 7/8 14 1/8 7 1/4 5 1/8 16 8 1/2 6 39 40 7/8 40 41 7/8 107.4 116.4 3.8 3.8CR 5-15 5 1 208-230** 213TC 25 7/8 26 7/8 15 3/8 8 1/2 7 3/8 15 3/8 10 5/8 7 1/2 41 1/4 41 1/4 42 1/4 42 1/4 108.8 117.8 3.8 3.8
3 208-230/460 184TC 25 7/8 26 7/8 14 1/8 7 1/4 5 1/8 16 8 1/2 6 40 41 7/8 41 42 7/8 108.8 117.8 3.8 3.8CR 5-16 5 1 208-230** 213TC 27 28 15 3/8 8 1/2 7 3/8 15 3/8 10 5/8 7 1/2 42 3/8 42 3/8 43 3/8 43 3/8 110.2 119.2 3.8 3.8
3 208-230/460 184TC 27 28 14 1/8 7 1/4 5 1/8 16 8 1/2 6 41 1/8 43 42 1/8 44 110.2 119.2 3.8 3.8CR 5-18 7 1/2 1 208-230 213TC 30 1/2 15 3/8 10 3/8 7 1/2 15 3/8 10 1/4 7 1/2 45 7/8 45 7/8 151.7 3.8
3 208-230/460 215TC 30 1/2 14 1/2 8 1/2 5 7/8 16 8 1/2 6 45 46 1/2 151.7 3.8CR 5-20 7 1/2 1 208-230 213TC 32 5/8 15 3/8 10 3/8 7 1/2 15 3/8 10 1/4 7 1/2 48 48 154.4 3.8
3 208-230/460 215TC 32 5/8 14 1/2 8 1/2 5 7/8 16 8 1/2 6 47 1/8 48 5/8 154.4 3.8CR 5-22 7 1/2 1 208-230 213TC 34 3/4 15 3/8 10 3/8 7 1/2 15 3/8 10 1/4 7 1/2 50 1/8 50 1/8 156.7 3.8
3 208-230/460 215TC 34 3/4 14 1/2 8 1/2 5 7/8 16 8 1/2 6 49 1/4 50 3/4 156.7 3.8CR 5-24 7 1/2 1 208-230 213TC 36 7/8 15 3/8 10 3/8 7 1/2 15 3/8 10 1/4 7 1/2 52 1/4 52 1/4 161.3 3.8
3 208-230/460 215TC 36 7/8 14 1/2 8 1/2 5 7/8 16 8 1/2 6 51 3/8 52 7/8 161.3 3.8
*TEFC voltage is 115/230 (**230)1Weights and Volumes based on Pump with 3-phase ODP Motor (see price list for individual weights)
36
PERFORMANCE CURVES GRUNDFOS CRI 5
0 5 10 15 20 25 30 35 40 Q [US GPM]0
50
100
150
200
250
300
350
400
450
500
550
600
650
700
750
H [ft]
0 1 2 3 4 5 6 7 8 9 10 Q [m/h]
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
H [m]
0
50
100
150
200
250
300
350
400
450
500
550
600
650
700
750
H [ft]CRI 560 Hz
3550 RPM
-10 -11
-12
-13
-14 -15
-16
-18
-2
-20
-22
-24
-3
-4
-5
-6 -7
-8 -9
0 5 10 15 20 25 30 35 40 Q [US GPM]0.0
0.1
0.2
0.3
P2[hp]
0
20
40
60
Eta[%]
0.0
0.1
0.2
P2[kW]
P2Eta
0 5 10 15 20 25 30 35 40 Q [US GPM]0
5
10
15
NPSH[ft]
0
5
10
15H [ft]
0
2
4
H [m]
NPSHR
TM02
151
1 27
01
GRUNDFOS CRI 5 TECHNICAL DATA
37
Pump Type HP PH Voltage
NEMA Frame Size
Oval B1
ANSI B1
ODP B2 D1 D2
TEFC B2 D1 D2
Oval ODP
B1+B2
Oval TEFC B1+B2
ANSI ODP
B1+B2
ANSI TEFC B1+B2
Oval Ship Wt.1 [lbs.]
ANSI Ship Wt.1 [lbs.]
Oval Ship
Vol.1 [ft]
ANSI Ship Vol.1
[ft]CRI 5-2 3/4 1 115/208-230 56C 11 1/8 12 1/8 10 3/4 6 1/4 4 1/2 10 6 1/4 4 5/8 21 7/8 21 1/8 22 7/8 22 1/8 47.1 55.7 1.8 1.8
3 208-230/460 56C 11 1/8 12 1/8 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 20 3/8 20 1/2 21 3/8 21 1/2 47.1 55.7 1.8 1.8CRI 5-3 1 1 115/208-230* 56C 12 1/4 13 1/4 11 3/8 6 1/4 4 1/2 11 1/4 7 1/4 5 1/4 23 5/8 23 1/2 24 5/8 24 1/2 49.7 58.3 1.8 1.8
3 208-230/460 56C 12 1/4 13 1/4 9 1/4 6 1/4 4 1/2 9 3/8 6 1/4 4 5/8 21 1/2 21 5/8 22 1/2 22 5/8 49.7 58.3 1.8 1.8CRI 5-4 1 1/2 1 115/208-230 56C 13 1/4 14 1/4 11 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 24 1/2 24 1/2 25 1/2 25 1/2 56.8 65.3 1.8 1.8
3 208-230/460 56C 13 1/4 14 1/4 10 3/4 6 1/4 4 1/2 10 1/4 7 1/4 5 1/4 24 23 1/2 25 24 1/2 56.8 65.3 1.8 1.8CRI 5-5 1 1/2 1 115/208-230 56C 14 3/8 15 3/8 11 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 25 5/8 25 5/8 26 5/8 26 5/8 59.4 69.1 1.8 2.1
3 208-230/460 56C 14 3/8 15 3/8 10 3/4 6 1/4 4 1/2 10 1/4 7 1/4 5 1/4 25 1/8 24 5/8 26 1/8 25 5/8 59.4 69.1 1.8 2.1CRI 5-6 2 1 115/208-230* 56C 15 3/8 16 3/8 11 1/4 7 1/4 5 1/8 12 1/8 7 1/4 5 1/4 26 5/8 27 1/2 27 5/8 28 1/2 66.4 76.1 2.1 2.7
3 208-230/460 56C 15 3/8 16 3/8 10 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 25 5/8 26 5/8 26 5/8 27 5/8 66.4 76.1 2.1 2.7CRI 5-7 2 1 115/208-230* 56C 16 1/2 17 1/2 11 1/4 7 1/4 5 1/8 12 1/8 7 1/4 5 1/4 27 3/4 28 5/8 28 3/4 29 5/8 69.2 77.8 2.7 2.7
3 208-230/460 56C 16 1/2 17 1/2 10 1/4 7 1/4 5 1/8 11 1/4 7 1/4 5 1/4 26 3/4 27 3/4 27 3/4 28 3/4 69.2 77.8 2.7 2.7CRI 5-8 3 1 115/208-230 182TC 18 5/8 19 5/8 13 3/4 8 1/2 5 7/8 13 3/4 8 1/2 6 32 3/8 32 3/8 33 3/8 33 3/8 87.1 95.7 2.7 2.7
3 208-230/460 182TC 18 5/8 19 5/8 11 1/2 7 1/4 5 1/8 12 3/8 8 1/2 6 30 1/8 31 31 1/8 32 87.1 95.7 2.7 2.7CRI 5-9 3 1 115/208-230 182TC 19 5/8 20 5/8 13 3/4 8 1/2 5 7/8 13 3/4 8 1/2 6 33 3/8 33 3/8 34 3/8 34 3/8 88.0 96.6 2.7 2.7
3 208-230/460 182TC 19 5/8 20 5/8 11 1/2 7 1/4 5 1/8 12 3/8 8 1/2 6 31 1/8 32 32 1/8 33 88.0 96.6 2.7 2.7CRI 5-10 3 1 115/208-230 182TC 20 3/4 21 3/4 13 3/4 8 1/2 5 7/8 13 3/4 8 1/2 6 34 1/2 34 1/2 35 1/2 35 1/2 88.9 97.5 2.7 2.7
3 208-230/460 182TC 20 3/4 21 3/4 11 1/2 7 1/4 5 1/8 12 3/8 8 1/2 6 32 1/4 33 1/8 33 1/4 34 1/8 88.9 97.5 2.7 2.7CRI 5-11 5 1 208-230** 213TC 21 3/4 22 3/4 15 3/8 8 1/2 7 3/8 15 3/8 10 5/8 7 1/2 37 1/8 37 1/8 38 1/8 38 1/8 95.9 104.5 2.7 2.7
3 208-230/460 184TC 21 3/4 22 3/4 14 1/8 7 1/4 5 1/8 16 8 1/2 6 35 7/8 37 3/4 36 7/8 38 3/4 95.9 104.5 2.7 2.7CRI 5-12 5 1 208-230** 213TC 22 7/8 23 7/8 15 3/8 8 1/2 7 3/8 15 3/8 10 5/8 7 1/2 38 1/4 38 1/4 39 1/4 39 1/4 96.7 105.3 2.7 2.7
3 208-230/460 184TC 22 7/8 23 7/8 14 1/8 7 1/4 5 1/8 16 8 1/2 6 37 38 7/8 38 39 7/8 96.7 105.3 2.7 2.7CRI 5-13 5 1 208-230** 213TC 23 7/8 24 7/8 15 3/8 8 1/2 7 3/8 15 3/8 10 5/8 7 1/2 39 1/4 39 1/4 40 1/4 40 1/4 98.1 107.8 2.7 3.8
3 208-230/460 184TC 23 7/8 24 7/8 14 1/8 7 1/4 5 1/8 16 8 1/2 6 38 39 7/8 39 40 7/8 98.1 107.8 2.7 3.8CRI 5-14 5 1 208-230** 213TC 25 26 15 3/8 8 1/2 7 3/8 15 3/8 10 5/8 7 1/2 40 3/8 40 3/8 41 3/8 41 3/8 100.6 109.1 3.8 3.8
3 208-230/460 184TC 25 26 14 1/8 7 1/4 5 1/8 16 8 1/2 6 39 1/8 41 40 1/8 42 100.6 109.1 3.8 3.8CRI 5-15 5 1 208-230** 213TC 26 27 15 3/8 8 1/2 7 3/8 15 3/8 10 5/8 7 1/2 41 3/8 41 3/8 42 3/8 42 3/8 101.9 110.5 3.8 3.8
3 208-230/460 184TC 26 27 14 1/8 7 1/4 5 1/8 16 8 1/2 6 40 1/8 42 41 1/8 43 101.9 110.5 3.8 3.8CRI 5-16 5 1 208-230** 213TC 27 1/8 28 1/8 15 3/8 8 1/2 7 3/8 15 3/8 10 5/8 7 1/2 42 1/2 42 1/2 43 1/2 43 1/2 103.3 111.9 3.8 3.8
3 208-230/460 184TC 27 1/8 28 1/8 14 1/8 7 1/4 5 1/8 16 8 1/2 6 41 1/4 43 1/8 42 1/4 44 1/8 103.3 111.9 3.8 3.8CRI 5-18 7 1/2 1 208-230 213TC 30 5/8 15 3/8 10 3/8 7 1/2 15 3/8 10 1/4 7 1/2 15 3/8 15 3/8 46 46 144.4 3.8
3 208-230/460 215TC 30 5/8 14 1/2 8 1/2 5 7/8 16 8 1/2 6 14 1/2 16 4
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