Brief introduction of pneumatic butterfly valve

Pneumatic butterfly valve is composed of pneumatic actuator and butterfly valve. Pneumatic butterfly valve is a pneumatic valve that uses a circular butterfly plate that rotates with the valve stem to open and close to realize the activation action. Increasing use on medium diameter pipes. Pneumatic butterfly valve classification: stainless steel pneumatic butterfly valve, hard seal pneumatic butterfly valve, soft seal pneumatic butterfly valve, carbon steel pneumatic butterfly valve. The main advantages of the pneumatic butterfly valve are simple structure, small size, light weight and low cost. The main advantages of the pneumatic butterfly valve are simple structure, small size, light weight and low cost. The fluid resistance is small, the effective flow area of u200bu200bthe medium and large-diameter pneumatic butterfly valves is large when they are fully opened, and the opening and closing are quick and labor-saving. The opening and closing of the disc can be completed by rotating 90 degrees. The torque generated is in the opposite direction, so the opening and closing torque is small, and a good seal can be achieved under low pressure. The butterfly valve sealing materials include NBR, fluorine rubber, edible rubber, lined with PTFE, so the sealing performance is good, and the hard sealing butterfly valve is soft. The hard laminated metal sheet has the advantages of metal hard sealing and elastic sealing, and has excellent sealing performance at low temperature.
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