Product bulletin for: ST2 Ball valves with two-way and three-way … · 2014. 6. 18. · ST2 Ball...

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Product bulletin for: ST2 Ball valves with two-way and three-way BSPP threaded fittings

ST2 Ball valves in conjunction with spring return and non-spring return VA-Actuators

Developed for HVAC applications

Energy, the right amount to the right place at the right time

Bray Armaturen & Antriebe Europa

Commercial Division

Europark Fichtenhain A 13b

47807 Krefeld

Germany

www.bray-commercial.eu

+49 2151 5336 111

+49 2151 5336-199

+49 162 4363713

+49 172 1908330

Product bulletin issue date: 0614

A list of features

Model and ordering code overview

Application discription

Selection aid

Technical drawings

Technical specifications

Declaration of conformity

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Contents

ST2 Ball valves

1 Contents

1 Contents ......................................................................................................................... 2

2 Product features ............................................................................................................. 3

2.1 To your advantage for energy efficiency ....................................................................... 3

2.2 Applications .................................................................................................................... 3

2.3 Technical features.......................................................................................................... 4

3 Technical description ................................................................................................... 5

3.1 Technical specifications ............................................................................................... 6

3.2 Technical specifications for the electric actuator ....................................................... 9

3.3 Two-way valve/actuator combinations 24 V ................................................................ 12

3.4 Three-way valve/actuator combinations 24 V .............................................................. 13

3.5 Project and mounting tips ............................................................................................ 14

3.6 Pressure Equipment Directive (PED) .......................................................................... 14

4 Flow diagram and curve characteristic ........................................................................ 15

4.1 Kvs diagram .................................................................................................................. 15

4.2 Flow characteristic ....................................................................................................... 16

5 Drawings and dimensions ............................................................................................ 16

5.1 ST2 two-way and three-way ball valves ...................................................................... 16

5.2 ST2 ball valves DN 15 to DN 25 with the V24xx, 4 Nm NSR rotary actuator 100°C ... 17

5.3 ST2 DN 15 to DN 25 ball valves with the V24xx, 4 Nm NSR rotary actuator 140°C ... 18

5.4 DN 32 to DN 50 ball valves with D24-70 and DM24-70, 8 Nm rotary actuators ......... 19

5.5 DN 15 to DN 25 ball valves with VAMS24-27xx, 3 Nm spring return actuators .......... 20

5.6 DN 32 to DN 50 ball valves with VAMS24-70xx, 8 Nm spring return actuators .......... 21

5.7 Electrical diagrams....................................................................................................... 22

5.8 V24-35-P (-TA) ............................................................................................................. 22

5.9 VAM24-35-P (-TA) ....................................................................................................... 22

5.10 D24-70 ......................................................................................................................... 23

5.11 DM24-70 ...................................................................................................................... 23

5.12 VAMS24-27 (-TA) and VAMS24-70 (-TA) ................................................................... 24

5.13 VAMS24xxx actuator calibration possibilities .............................................................. 25

5.14 Calibration .................................................................................................................... 25

6 Declaration of conformity ............................................................................................. 26

6.1 Declaration of Conformity PED ST2 Ball Valves ......................................................... 26

6.2 Declaration of Conformity CE Actuator for Ball Valves ST2 ........................................ 27

7 General information ..................................................................................................... 28

7.1 Copyright protection ..................................................................................................... 28

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ST2 Ball valves

Product features

2 Product features

2.1 To your advantage for energy efficiency

Very tight in closed position - corresponds to a < 0.01% leak rate; ANSI CLASS IV (Two-way and three-way valve controlled flow), < 1 % of Kvs–value in the three-way valve bypass

High close-off pressure - One valve covers a large area of application

Valve rangeability > 500:1 - Exact quantity-of-flow calibration

Graphite reinforced seat backed with PTFE - EPDM O-rings - Minimum torque demands; long life

2.2 Applications

Ball Valves are designed to regulate the flow of hot or chilled water and low-pressure steam in response to the demand of a controller in Heating, Ventilating, and Air Conditioning (HVAC) systems. These two-way and three-way forged brass valves are available in sizes DN 15 through DN 50.

The stainless steel ball allows the use of fluids from -30°C to 140°C

Valves can be combined with Bray Commercial actuators with manual operation as part of the standard delivery. In particular, all actuator models are available for different power supplies as well as optional safety function and auxiliary switches.

The water quality must meet VDI 2035 requirements.

Typical applications:

HVAC systems

VAV

Air heaters

Steam boilers

Hot water tanks

Central air conditioning

Refrigeration technology

Thermal technology

District heating

And many more!

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Product features

ST2 Ball valves

2.3 Technical features

PN 40 nominal pressure

-30°C to 140 °C fluid temperature range

Stainless steel valve ball

Stainless steel stem

Rp ½…Rp 2, corresponding to DN 15...DN 50 nominal sizes

Equal percent characteristic of the controlled flow with characterizing

disc

Linear characteristic in the three-way bypass

Three-way models without characterizing disc can be used as mixing

valves or diverting valves.

Durability test duration with contaminated water (Fe304) is 200 000 full-

stroke cycles; Ten full-stroke cycles per minute

Maintenance free

KVS from 0.4 m³/h to 63 m³/h

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ST2 Ball valves

Technical description

3 Technical description

Outlet( B)Port

Inlet Port(Port A)

Blowout-ProofValve Stem

(Square-Head)

Actuator

Mounting FlangeCenteringBushing

EPDMDouble O-Ring

Stem Seals

Thrust

Washer

EPDMO-Rings

Graphite-Reinforced

PFTE Seats

Ball

CharacterizingDisc

Fig. 1 Valve section view

The cross-sectional diagram above shows in detail the high quality of the Bray valve.

Two O-rings provide a significant external tightness in the area of the valve stem

Square head valve stem reduces hysteresis

The thrust washer prevents an increase in friction throughout valve life-time

Both graphite reinforced PTFE seats are backed with EPDM O-rings. This ensures tight sealing and provides a constant seating force that compensates for expansion, contraction, and seat wear without increasing operating torque throughout valve life-time

The super-finished stainless steel ball limits seat wear to a minimum and immensely reduces possible deposits on the ball surface.

The Amodel® characterization disc enables an excellent equal percent characteristic at different KVS values per nominal size.

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ST2 Ball valves

3.1 Technical specifications

Table 1 Technical specifications

Rp ½ bis Rp 2;DN 15 up to DN 50

Fluids: Hot and chilled water with max. 50% Glycol, as per VDI 2035; Steam + 121°C max at 103 kPa

Nominal pressure PN: 40 bar

Close-off pressure: 1380 kPA

Fluid temperature: -30°C to 140°C Max. temperature dependant on the actuator model.

Storage temperature: -20°C bis 65°C, Dry and dust free

Union size: Internal thread (Rp, ISO 7/1)

Leak rate: < 0.01% ANSI CLASS IV (Two-way valve and the mixing valve controlled flow < 1 % of Kvs–value in the mixing valve bypass)

Turning angle 90°

Installation orientation Do not fit the valve in an over-head position.

Maintenance Maintenance free

Max. pressure drop ∆pv by completely open valve

600 kPa for valves without characterizing disc 340 kPa for valves with characterizing disc 240 kPa for low noise application

KVS values 0.4 m³/h bis 63 m³/h

Rangeability > 500:1 as per EN 60534-2, -4

Material:

Body Brass, DIN EN 12165, CW617N

Stem Stainless steel EN 10088-2

Valve seat PTFE Graphite filling

Ball Stainless steel EN 10088-2

Stem seals EPDM O-rings

Characterizing disc AMODEL® AS-1145HS

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ST2 Ball valves


Table 2 Two-way: Max. close off pressure 1380 kPa Actuator flange F04; ISO 5211

Item number Kvs Rp ISO 7/1 (BSPP) DN Weight

ST2-05-2-05B 0.4 1/2" 15 0.36

ST2-05-2-07B 0.63 1/2" 15 0.36

ST2-05-2-1B 1 1/2" 15 0.36

ST2-05-2-2B 1.6 1/2" 15 0.36

ST2-05-2-3B 2.5 1/2" 15 0.36

ST2-05-2-5B 4.0 1/2" 15 0.36

ST2-05-2-12B * 10 1/2" 15 0.36

ST2-75-2-5B 4.0 3/4" 20 0.45

ST2-75-2-7B 6.3 3/4" 20 0.45

ST2-75-2-12B * 10 3/4" 20 0.45

ST2-1-2-7B 6.3 1" 25 0.82

ST2-1-2-12B 10 1" 25 0.82

ST2-1-2-19B * 16 1" 25 0.82

ST2-125-2-12B 10 1-1/4" 32 1.04

ST2-125-2-19B 16 1-1/4" 32 1.04

ST2-125-2-29B * 25 1-1/4" 32 1.04

ST2-150-2-19B 16 1-1/2" 40 1.73

ST2-150-2-29B 25 1-1/2" 40 1.73

ST2-150-2-47B * 40 1-1/2" 40 1.73

ST2-2-2-29B 25 2" 50 2.3

ST2-2-2-47B 40 2" 50 2.3

ST2-2-2-74B * 63 2" 50 2.3

* Ball valves without control disc are recommended for on/off application.

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ST2 Ball valves

Table 3 Three-way: Max. close off pressure 1380 kPa, actuator flange F04; ISO 5211

Item number Kvs Rp ISO 7/1 (BSPP) DN Weight

ST2-05-3-05B 0.4 1/2" 15 0.57

ST2-05-3-07B 0.63 1/2" 15 0.57

ST2-05-3-1B 1 1/2" 15 0.57

ST2-05-3-2B 1.6 1/2" 15 0.57

ST2-05-3-3B 2.5 1/2" 15 0.57

ST2-05-3-5B 4.0 1/2" 15 0.57

ST2-05-3-12B * 10 1/2" 15 0.57

ST2-75-3-5B 4.0 3/4" 20 0.68

ST2-75-3-7B 6.3 3/4" 20 0.68

ST2-75-3-12B * 10 3/4" 20 0.68

ST2-1-3-7B 6.3 1" 25 1.25

ST2-1-3-12B 10 1" 25 1.25

ST2-1-3-19B * 16 1" 25 1.25

ST2-125-3-12B 10 1-1/4" 32 1.93

ST2-125-3-19B 16 1-1/4" 32 1.93

ST2-125-3-30B * 25 1-1/4" 32 1.93

ST2-150-3-19B 16 1-1/2" 40 2.84

ST2-150-3-30B 25 1-1/2" 40 2.84

ST2-150-3-47B * 40 1-1/2" 40 2.84

ST2-2-3-30B 25 2" 50 3.7

ST2-2-3-47B 40 2" 50 3.7

ST2-2-3-74B * 63 2" 50 3.7

* Ball valves without characterizing disc can be used as mixing valves or diverting valves

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ST2 Ball valves


3.2 Technical specifications for the electric actuator

Bray ball valves can be combined with six different actuators, with and without spring return.

The valve/actuator combinations are factory fitted for delivery.

For applications requiring fluid temperatures of up to 140°C, the –TA model is to be used.

Table 4 Actuator specifications for nominal size DN 15 to DN 25 ST2 ball valves

Actuator order-number V24-35-P VAM24-35-P VAMS24-27

Standard Spring return

Adapter Direct mount Direct mount Direct mount

Order number with Temperature adapter (TA)

V24-35-P-TA VAM24-35-P-TA VAMS24-27-TA

Nominal size DN 15...DN 25 DN 15...DN 25 DN 15...DN 25

Torque Nm 4 4 3

Manual operation Yes Yes No

Voltage AC 24 V AC +25/-20% 24 V AC +25/-20% 24 V AC ±20%

24 V DC +20%/-10%

2-Point - - Yes

Override to Min, Mid, Max position

3-Point Yes - -

Proportional - Yes Yes

Input - 0(2)...10 V 0(2)...10 V

with 500 Ohm resistance - 0(4)...20 mA 0(4)...20 mA

Output - 0(2)...10 V 0(2)...10 V

Aux. switches - - -

runtime in s [50 Hz] 72 72 90 s

< 25 s Spring return

Turning angle range 93° +/- 3° 93° +/- 3° 95° Mechanical

Connected wattage 2.1 VA 2.1 VA 4.7 VA

Effective direction - Switchable A = Clockwise

B = Counter clockwise

Operation cycles 100 000 full cycles 100 000 V full cycles 60 000 full cycles

Positioning 2 500 000 times under full load

2 500 000 times under full load

1 500 000 times under full load

Noise level 35 dB(A) nominal

35 dB(A) nominal

< 37 dB(A) nominal < 20 dB(A) idle

Protection IP 42 IP 42 IP 54

Terminals 1.2 m 3 * 0.75 mm² 1.2 m 4 * 0.75 mm² 1.2 m 4 * 0.85 mm²

Cable type Plenum rated cable Plenum rated cable Plenum rated cable

Temperature

Storage temperature. -29°C...+66°C -29°C...+66°C -40°C...+85°C 95% rH

Ambient temperature -20°C...+60°C -20°C...+60°C -30°C...+60°C 90% rH

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ST2 Ball valves

Actuator order-number V24-35-P VAM24-35-P VAMS24-27

Moisture 90%, Non-condensing 90%, Non-condensing 0...90%, Non-condensing

Fluid temperature

Standard -30°C...+100°C -30°C...+100°C -30°...+100°C

WithTemperature adapter (TA)

-30°C...+140°C -30°C...+140°C -30°C...+140°C

Saturated steam (103 kPa) mit TA

...+121°C ...+121°C ...+121°C

only with TA

Weight In Kg 0.5 0.5 0.9

Approvals CE, UL, CSA CE, UL, CSA CE, UL, CSA

Table 5 Actuator specifications for nominal size DN 32 to DN 50 ST2 ball valves

Actuator order-number D24-70 DM24-70 VAMS24-70


Adapter Incl. by actuator Incl. by actuator Direct mount

Order number with Temperature adapter (TA)

Not required Not required VAMS24-70-TA

Nominal size (DN 15...) DN 32...DN 50 (DN 15...) DN 32...DN 50 (DN 15...) DN 32...DN 50

Torque Nm 8 8 8

Manual operation Yes Yes Through hexagon socket

Voltage AC AC 20 to 30 V at 50/60 Hz

or DC 24 V ±10% AC 20 to 30 V at 50/60 Hz or

DC 24 V ±10% 24 V AC ±20%

24 V DC +20%/-10%

2-Point Yes - Yes

Override to Min, Mid, Max position

3- Point Yes - -

Proportional - Yes Yes

Input - 0(2)...10 V 0(2)...10 V

With 500 Ohm resistance - 0(4)...20 mA 0(4)...20 mA

Output - 0(2)...10 V 0(2)...10 V

Aux. switches - - -

Run time in s [50 Hz] 30 s 30 s 150 s

Spring return 22 s

Turning angle range 93° 93° 95° Mechanical

Connected wattage 7.5 VA 7.5 VA 7.9 VA

Effective direction - Switchable A = Clockwise

B = Counter clockwise

Operation cycles 60 000 full cycles 60 000 full cycles 60 000 full cycles

Positioning

1 500 000 Under full load

Noise level 45 dB(A) Nominal

45 dB(A) Nominal

< 35 dB(A) Nominal < 20 dB(A) idle

Protection IP 42

IP 54 With cable fitted below

IP 42 IP 54 With cable fitted below

IP 54

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ST2 Ball valves


Actuator order-number D24-70 DM24-70 VAMS24-70

Terminals 1.5mm² 1.5mm² Cable 1.2 m 4 * 0.85 mm²

Cable type

Plenum rated cable

Storage temperature. -30°C…+60°C -30°C…+60°C -40°C...+85°C 95% rH

Ambient temperature -20°C...+50°C -20°C...+50°C -40°C…+60°C 90% rH

Moisture 0...95%, Non-condensing 0...95%, Non-condensing 0...90%, Non-condensing

Fluid temperature

Standard -30°C...+140°C -30°C...+140°C -30°...+100°C

WithTemperature adapter (TA)

NA NA -30°C...+140°C

(VAMS24-70-TA)

Saturated steam (103 kPa) mit TA

...+121°C Without TA

...+121°C Without TA

...+121°C Only with TA

Weight In Kg 1.1 1.1 1.6

Approvals CE, UL, CSA CE, UL, CSA CE, UL, CSA

Note:

These actuators of course also fit valve sizes DN 15...DN 25. However, it is more viable economically to use actuators with Three-Nm and Four-Nm.

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ST2 Ball valves

3.3 Two-way valve/actuator combinations 24 V

Table 6 24 V two-way valve/actuator combinations

Actuator order numbers for fluid temperatures up to 100°C Actuator order numbers for fluid temperatures up to 140°C

V24-35-P

V24-35-P- TA

VAM24-35-P

VAM24-35-P-TA

D24-70 DM24-70 VAMS24-27

VAMS24-27-TA

VAMS24-70

VAMS24-70-TA


Function 2/3-Point Proportional 2/3- Point Proportional Proportional Proportional

Part number Kvs DN

ST2-05-2-05B 0.4 15

ST2-05-2-07B 0.63 15

ST2-05-2-1B 1 15

ST2-05-2-2B 1.6 15

ST2-05-2-3B 2.5 15

ST2-05-2-5B 4 15

ST2-05-2-12B 10 15

ST2-75-2-5B 4 20

ST2-75-2-7B 6.3 20

ST2-75-2-12B 10 20

ST2-1-2-7B 6.3 25

ST2-1-2-12B 10 25

ST2-1-2-19B 16 25

ST2-125-2-12B 10 32

ST2-125-2-19B 16 32

ST2-125-2-29B 25 32

ST2-150-2-19B 16 40

ST2-150-2-29B 25 40

ST2-150-2-47B 40 40

ST2-2-2-29B 25 50

ST2-2-2-47B 40 50

ST2-2-2-74B 63 50

Order example:

To make an order for a valve/actuator combination, always quote first the valve order code and then the actuator order code.

DN 20 two-way valve 10 Kvs combined with a proportional actuator for fluid temperatures of up to 140°C

ST2-75-2-12B/VAM24-35-P-TA

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ST2 Ball valves


3.4 Three-way valve/actuator combinations 24 V

Table 7 24 V three-way valve/actuator combinations

Actuator order numbers for fluid temperatures up to 100°C Actuator order numbers for fluid temperatures up to 140°C

V24-35-P

V24-35-P-TA

VAM24-35-P

VAM24-35-P-TA

D24-70 DM24-70 VAMS24-27

VAMS24-27-TA

VAMS24-70

VAMS24-70-TA


Function 2/3-Point Proportional 2/3- Point Proportional Proportional Proportional

ST2-05-3-05B 0.4 15

ST2-05-3-07B 0.63 15

ST2-05-3-1B 1 15

ST2-05-3-2B 1.6 15

ST2-05-3-3B 2.5 15

ST2-05-3-5B 4 15

ST2-05-3-12B 10 15

ST2-75-3-5B 4 20

ST2-75-3-7B 6.3 20

ST2-75-3-12B 10 20

ST2-1-3-7B 6.3 25

ST2-1-3-12B 10 25

ST2-1-3-19B 16 25

ST2-125-3-12B 10 32

ST2-125-3-19B 16 32

ST2-125-3-30B 25 32

ST2-150-3-19B 16 40

ST2-150-3-30B 25 40

ST2-150-3-47B 40 40

ST2-2-3-30B 25 50

ST2-2-3-47B 40 50

ST2-2-3-74B 63 50

Order example:

To make an order for a valve/actuator combination, always quote first the valve order code and then the actuator order code.

DN 32 three-way valve, 16 Kvs combined with a proportional spring-return actuator for fluid temperatures of up to 140°C

ST2-125-3-19B/VAMS24-70-TA

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ST2 Ball valves

3.5 Project and mounting tips

Fitting dimensions as per ISO 5752, EN 558 series 20 DIN 3202 Part 3

K1

Union BSPP ISO 7/1

Actuator flange as per ISO 5211, F04

Installation instructions are with delivery

3.6 Pressure Equipment Directive (PED)

The ST2 series ball valves are in accordance with guidelines 97/23/EC PED

Categorie III. Module B1 EC-Design Test Certificate and Module D, Quality Assurance System recognized by Lloyds (Position Nr. 0038) as per EC conformity verification COV0512853/1

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ST2 Ball valves

Flow diagram and curve characteristic

4 Flow diagram and curve characteristic

4.1 Kvs diagram

The following diagram shows the flow KVS at a differential pressure of 100 kPa across the valve and a water temperature of 5°C to 30°C.

Fig. 2 Kvs flow diagram

For the recommended maximum pressure drop ∆pv across a completely open valve see: page 6 Technical specifications. (600 kPa without- 340 kPa with characterizing disc and 240 kPa for low noise application)

0,01

0,1

1

10

100

1

10

10

0

10

00

24

0

34

0

60

0

∆p100[kPa]

𝑉 1

00[m

³/h]

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Drawings and dimensions

ST2 Ball valves

4.2 Flow characteristic

ST2 ball valves have in their controlled flow, a modified equal percent flow characteristic that is based on VDI 2176.

Fig. 3 Flow characteristic digram valves with control disc

5 Drawings and dimensions

5.1 ST2 two-way and three-way ball valves

E

B

F FPortMarking

G

B

E

C C

Port Marking = fittings code

Fig. 4 Views of valve dimension codes

Table 8 Valve dimensions for two-way and three-way valves DN 15 to DN 50

Valve B C E F G*

DN 15 17 31 67 9 33 DN 20 17 31 75 9 38 DN 25 19 33 92 9 46 DN 32 26 44 109 9 54 DN 40 29 48 119 9 59 DN 50 37 53 139 9 74

* Only for three-way valves

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ST2 Ball valves


5.2 ST2 ball valves DN 15 to DN 25 with the V24xx, 4 Nm NSR rotary actuator 100°C

DN 15 to DN 25 ball valves with V24-35-P and VAM24-35-P, 4 Nm rotary actuators for applications with fluid temperatures up to 100°C.

A

89Clearance Required

71

Port MarkingLocations

140

D

A

Fig. 5 Mounted two-way valve/actuator dimensions

Table 9 Valve/actuator mounted dimensions for two-way & three-way DN 15 to DN 25 valves

Valves A B C D E F G*

DN 15 98 17 31 129 64 9 32 DN 20 98 17 31 133 71 9 36 DN 25 100 19 33 141 87 9 43


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ST2 Ball valves

5.3 ST2 DN 15 to DN 25 ball valves with the V24xx, 4 Nm NSR rotary actuator 140°C

DN 15 to DN 25 ball valves with V24-35-P-TA and VAM24-35-P-TA, Four-Nm rotary actuators for applications with fluid temperatures up to 140°C. Temperature adapter = TA is included.


71


140

D

A

Fig. 6 Mounted two-way valve/actuator dimensions

Table 10 Valve/actuator mounted dimensions for valves DN 15 to DN 25


DN 15 +TA 135 17 31 129 64 9 32 DN 20 +TA 135 17 31 133 71 9 36 DN 25 +TA 137 19 33 141 87 9 43


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ST2 Ball valves


5.4 DN 32 to DN 50 ball valves with D24-70 and DM24-70, 8 Nm rotary actuators

For applications with fluid temperatures up to 140°C

Fig. 7 Valve/actuator mounted dimensions DN 32 to DN 50

Table 11 Valve/actuator mounted dimensions for valves DN 15 to DN 50

Valves A B C E G*

DN 15 160 17 31 67 33 DN 20 160 17 31 75 38 DN 25 161 19 33 92 46 DN 32 173 26 44 109 54 DN 40 177 29 48 119 59 DN 50 182 37 53 139 74


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ST2 Ball valves

5.5 DN 15 to DN 25 ball valves with VAMS24-27xx, 3 Nm spring return actuators

A


82

D

A


73

Fig. 8 Spring return valve/actuator mounted dimensions DN 15 to DN 25

Table 12 Mounted dimensions for applications with fluid temperatures of up to 100°C


DN 15 117 17 31 177 67 9 33 DN 20 117 17 31 181 75 9 38 DN 25 119 19 33 190 92 9 46


Table 13 Mounted dimensions for applications with fluid temperatures of up to 140°C; Temperature adapter = TA is included


DN 15 +TA 152 17 31 177 67 9 33 DN 20 +TA 152 17 31 181 75 9 38 DN 25 +TA 154 19 33 190 92 9 46


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ST2 Ball valves


5.6 DN 32 to DN 50 ball valves with VAMS24-70xx, 8 Nm spring return actuators

99 73

Port M arkingLocations


A

F

C

G BE

A

Fig. 9 Spring return valve/actuator mounted dimensions DN 32 to DN 50

Table 14 Mounted dimensions for applications with fluid temperatures of up to 100°C


DN 32 195 26 44 184 109 9 54 DN 40 200 29 48 189 119 9 59 DN 50 204 37 53 195 139 9 77


Table 15 Mounted dimensions for applications with fluid temperatures of up to 140°C; Temperature adapter = TA is included


DN 32 +TA 230 26 44 184 109 9 54 DN 40 +TA 235 29 48 189 119 9 59 DN 50 +TA 239 37 53 195 139 9 77


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ST2 Ball valves

5.7 Electrical diagrams

5.8 V24-35-P (-TA)

1 2 3

BK RD OG

24 V AC 50/60 Hz

~

5.9 VAM24-35-P (-TA)

1 2 3 4

BK RD GY OG

24 V AC 50/60 Hz24 V DC

24 V=/~

0(2) .. 10 V DC

0(2) .. 10 V DC

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ST2 Ball valves


5.10 D24-70

FactorySettings

=

1 2 3

24 V AC/DC~- +

1 2 3

24 V AC/DC~- + 5.11 DM24-70

1 2 3 4 5 6

24 VAC/DC

~- +

FactorySettings

0 ..

10

V0

..

20

mA

2 ..

10

V4

..

20

mA

=

1 2

ON

1 2

ON

12

ON

012

3 54

67

8

O

2

34

5 76

89

10

S

0

12

3 54

67

8

O

2

34

5 76

89

10

S

0

12

3 54

67

8

O

2

34

5 76

89

10

S

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ST2 Ball valves

5.12 VAMS24-27 (-TA) and VAMS24-70 (-TA)

A 0-100-102-102-10

CAL

B0-100-102-102-10

CAL

1 2 3 4

24 VAC/DC

~- +

1 2 3 4

24 VAC/DC

~- +

Control 0(2) .. 10 V and 0(4) .. mA

1 2 3 4

24 VAC/DC

~- +

1 2 3 4

Master-Slave

1 2 3 4

24 VAC/DC

~- +

On/Off

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ST2 Ball valves


5.13 VAMS24xxx actuator calibration possibilities

Fig. 342: Control behavior and the calibration of VA9203 / VA9208 actuators

5.14 Calibration

The calibration function CAL enables the actuator to adjust the selected input signal range to a reduced angle of rotation. The calibration value is saved when power goes off by switch or by power failure.

Proceed as follows:

Connect the actuator to the power supply and turn the setting screw to the CAL position. Leave the actuator in this position for at least five seconds so that the end position is found while the actuator turns.

Turn the setting screw to your chosen input signal. The selected input signal is reconfigured proportionally to the reduced rotation range.

Note: During normal operation if the valve stroke increases, the input signals are configured, due to valve seat wear, in 0.5° steps only.

If the actuator mounting position is changed, repeat procedure steps 1 and 2 in order to reset the calibration. Here the setting screw must be held in the CAL position for at least two seconds to initialize the calibration.When the rotary switch is placed in the CAL position, the actuator uses the following standard values:

Input signal: 0-10 V DCActing direction: DA (Direct Acting)

Installation side

Input signal

Increasing

Decreasing

Direction Feedback

Direct Acting

Reverse Acting

(*) 0 position is for spring return

Factory setting

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ST2 Ball valves

6 Declaration of conformity

6.1 Declaration of Conformity PED ST2 Ball Valves

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6.2 Declaration of Conformity CE Actuator for Ball Valves ST2

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General information

ST2 Ball valves

7 General information

All information contained in the Product bulletin is carefully verified. Bray

commercial assumes no responsibility for errors that might appear in this

bulletin or for any damage to things or persons resulting from improper use

of this bulletin or related products and software.

Bray commercial reserves the right to change the contents of this bulletin as

well as the specifications and features of related products and software

without notice at any time.

For the purpose of this documentation an ‘operator’ is someone who is

familiar with the installation, startup, operation and maintenance of the

system. The operator must have the following qualifications:

Trained or authorized to energize/de-energize the system in

accordance with established safety procedures.

Trained and authorized in the proper care and use of protective

equipment in accordance with established safety procedures.

7.1 Copyright protection

This product bulletin is protected by copyright laws and is for internal use only.

The reproduction and communication or application as well as the passing on to third parties of this product bulletin, including extracts, in any way, Shape or form without the express written permission of the manufacturer is strictly forbidden.

Product bulletin for: ST2 Ball valves with two-way and three-way … · 2014. 6. 18. · ST2 Ball...

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