Pneumatic butterfly valve actuator work faster, so in the process of performing the action is not easy to get stuck and broken, and because it is an automatic valve, the whole working process does not need to operate manually in the field, to ensure the safety of workers. Pneumatic butterfly valve not only can be used to cut off the flow of medium in the pipeline, but also can be used for flow regulation, only need to be equipped with a valve locator to achieve the function of flow regulation.
Pneumatic butterfly valve actuator has a single role and double role, the single role of the actuator with spring reset function, when the occurrence of gas or power failure accident, the valve can automatically close or open. The double-acting actuator is ventilated open, ventilated close.