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Description
Fast running control ball valve consists of WRA3-...S series stepping motor actuator and W8BV... series ball valve. Equal percentage flow characteristic guarantees the valve performances of stability. Stepping motor control ball valve. The characteristic of it is accurate,fast,strong anti-interference.
Matching Valve body parameters:
Model No. | Description | DN(mm) | Inch | Kvs(m3/h) | Pvmax(MPa) | Ps(KPa) |
W8BV315 |
3-way
| DN15 | 1/2” | 3.95 | 1.0 Mpa | 1400 |
W8BV320 | DN20 | 3/4” | 6.8 | |||
W8BV325 | DN25 | 1” | 15.8 | |||
W8BV332 | DN32 | 11/4” | 16 | |||
W8BV340 | DN40 | 11/2” | 25 | |||
| W8BV350 | DN50 | 2” | 40 |
Actuator technical parameters:
Model | Control | Power | Torque (N.m) | On/off Time (s) |
WRA3-210 | 3-point | 24VAC | 10 | 42 |
WRA3-210A | On/off | 24VAC | 10 | 42 |
Wiring diagram


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24V/12V/3V, ON/OFF, Proportional |







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