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  • Product Name: Fast running 0-10VDC control ball valve
  • Product ID: b01
  • Added time: 2014-04-09
  • Views : 1569

WRA3-...S series fast running control ball valve consists of  stepping motor actuator and W8BV... series ball valve. Equal percentage flow characteristic guarantees the valve performances of stability.,Stepping motor control ball valve  It has the characteristics of accurate, rapid, strong anti disturbance, is a typical digital control mode, and the traditional analog control is the essential difference between. Easily extended to the digital network transmission RS485 MODBUS. It is widely used in HVAC system, heating system, water treatment equipment, and water running control in industrial automation, such as: AHU, flesh air-handling unit, differential pressure control unit and heat exchanger for flow regulation and on/off control.
 
Application
HVAC system 
Heating system
Water treatment system
Industrial equipments
 
Operational mode
WRA3-S series actuator control ball valve is operated by stepper motor. The actuator is controlled by a modulating, on/off , 3-piont or proportional control system,to controlled valve body. Standard product is proportional control or switch / floating-point type, can be customized according to customer requirements quickly of proportion type,  or quickly of on/off type, or quickly of  floating-point control product.
 
Technical data
Valve body:
Medium: cold/hot water, with 50% glycol          Temperature of medium: 2°C...90°C
Rated pressure: PN20                                        Pipe connector: internal thread     
Ambient temp. range: −5…+60°C;0…90%RH   Size: 1/2’’ -2’’
Valve type: 2-way and 3-way                            Flow characteristic: equal percentage
 
ACTUATOR:
Power supply: 24VAC/DC, 
On-Off time: 2N.m--8S; 6N.m--20S; 10 N.m--48S 
(On/off time can be set and changed in the factory)
Angle of rotation: 90°                             
Manual handle available
Protect rank: IP65
 
Material
Valve body:
Valve body: forged brass, Hpb59-1                Seal: ball: EPDM+PTFE
Ball: stainless steel brass                               Stem: EPDM
ACTUATOR:
Cover: PC                                         
Rotating shaft: POM & Stainless stell(Optional)
 

Matching Valve body parameters:

Model No.

Description

DN(mm)

Inch

Kvs

(m3/h)

Pvmax (MPa)

Ps(KPa)

W8BV215

2-way

DN15

1/2”

4.0

1Mpa

1400

W8BV220

2-way

DN20

3/4”

6.3

1Mpa

1400

W8BV225

2-way

DN25

1”

10

1Mpa

1400

W8BV232

2-way

DN32

11/4”

16

0.6Mpa

1400

W8BV240

2-way

DN40

11/2”

25

0.6Mpa

1400

W8BV250

2-way

DN50

2”

43

0.6Mpa

1400

W8BV315

3-way

DN15

1/2”

4.0

1Mpa

1400

W8BV320

3-way

DN20

3/4”

6.3

1Mpa

1400

W8BV325

3-way

DN25

10

1Mpa

1400

W8BV332

3-way

DN32

11/4”

16

0.6Mpa

1400

W8BV340

3-way

DN40

11/2”

25

0.6Mpa

1400

W8BV350

3-way

DN50

43

0.6Mpa

1400

 

Actuator technical parameters

Model

Control

Power

Torque (N.m)

On/off Time(s)

WRA3-202s

3-point&on/off

24VDC/AC±15%

2

8

WRA3-206s

3-point&on/off

24VDC/AC±15%

6

20

WRA3-210s

3-point&on/off

24VDC/AC±15%

10

48

WRA3-302s

0-10v/4-20mA

24VDC/AC±15%

2

8

WRA3-306s

0-10v/4-20mA

24VDC/AC±15%

6

20

WRA3-310s

0-10v/4-20mA

24VDC/AC±15%

10

48

 

Dimension
 
 
The details please consult.
 
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