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      current location: Home   >> News >> Industry trends

      What is pneumatic butterfly valve, and how to work?

      Pneumatic butterfly valve overview: pneumatic butterfly valve is composed of pneumatic actuators and butterfly valves. Pneumatic butterfly valve is the use of stem migration with the transformation of the circular butterfly plate to do the opening and closing, to complete the opening of the measures of the pneumatic valve mainly do block valve application, can also be planned to have conditioning or section of the valve and conditioning effect, now the butterfly valve in the high pressure medium and large caliber pipeline applications more and more. Pneumatic butterfly valve classification: stainless steel pneumatic butterfly valve, hard seal pneumatic butterfly valve, soft seal pneumatic butterfly valve, carbon steel pneumatic butterfly valve.

      Working principle of pneumatic butterfly valve: it is composed of the connection of pneumatic actuator and butterfly valve. The pneumatic butterfly valve drives the actuator to drive the circular butterfly plate to do 90° rotation movement through compressed air into the pneumatic actuator, so as to be used as the pipeline switch and flow regulation.

      氣動蝶閥

      Pneumatic butterfly valve is through the 0-90 degrees of opening and closing as a working principle. That is, 0 degrees is the state of full close, and 90 degrees is the state of full opening. Add a positioner on the pneumatic actuator, input the corresponding signal, the butterfly valve disc version can be adjusted from 0 to 90 degrees.

      Comparison of pneumatic clamping butterfly valve actuators: actuators are the devices in the automatic technical tools to receive control information and exert control on the controlled objects. Actuators are divided into pneumatic, electric and hydraulic actuators according to the driving energy used. Electric and pneumatic actuators are the mainstream actuators at present.

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