VA系列阀门执行器为直行程执行器，广泛用于中央空调、通风、热交换系统。与二通、三通、动态平衡调节阀配套使用，可通过不同的连接器与其它阀门配用

VA series valve actuators are direct stroke actuators, widely used in central air conditioning, ventilation and heat exchange systems. It can be used in conjunction with two way valves, three-way valves and dynamic balancing control valves, and can be matched with other valves through different connectors.