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Valve Actuator
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Shenzhen TOYI Electronics co., LTD.
Shenzhen, China
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Application of valve drivers and driver products: 

Overview of valve drivers from the A-3000 and VA-7000 series
  1. Straight stroke valve actuators from the VA-3000 and VA-7000 series are widely used in HVAC (heating, ventilation, and air conditioning) systems.
  2. DN25–DN50 regulating valves from the VB-3000 and VB-3000 series for simultaneous two- or three-way operation.
  3. For two-way or three-way applications, VA-7000 is utilized in conjunction with VB-7000 series DNB5-DN200 regulating valves.
  4. There are two basic versions for the VA-3000 and VA-7000 series. VA-7100 (VA-3100) offers incremental control for reversible electric operation.
  5. The VA-7012 (VA-3102) has proportional control, a 0–10V or 4–20mA DC control signal input capability, and a 0–10V or 4–20mA DC control signal output capability.
  6. The VA-3000 can traverse 12, 19, and 22 meters.
  7. VA --7000 can travel 24 m, 38 m, or 44 m. A jumper is used to determine the travel that is used for the dual proportional control type.

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