Butterfly valve can be dividedpneumatic butterfly valve
, Electric butterfly valve, manual butterfly valve, etc., butterfly valve is a kind of valve that uses a circular butterfly plate as an opening and closing part and rolls with the valve stem to open, close and regulate the fluid channel; today's editor will popularize the advantages and disadvantages of some pneumatic butterfly valves., Help you choose a good valve.
Pneumatic butterfly valve according to the structure can be divided into offset plate, vertical plate, inclined plate and lever type. According to the sealing form, it can be divided into two kinds of sealing type and hard sealing type. Soft seal type generally choose rubber ring seal, hard seal type generally choose metal ring seal. According to the type of connection, it can be divided into flange connection and clip type connection; according to the transmission mode, it can be divided into manual, gear transmission, pneumatic, hydraulic and electric.
pneumatic butterfly valve
The strengths, convenient opening and closing sensitive, labor saving, fluid resistance is small, can often operate. Simple structure, small size and light weight. Can transport mud, less liquid accumulation in the pipe mouth. Under low pressure, good sealing can be done. Pneumatic butterfly valve conditioning performance is good. Pneumatic butterfly valve shortcomings 1, the use of pressure and working temperature is small. Sealing is poor.
Pneumatic butterfly valve is composed of pneumatic actuator and butterfly valve. Pneumatic butterfly valve is a pneumatic valve that uses a circular butterfly plate rolling with the valve stem to open and close to complete the enabling action. First of all, cut-off valve should be used, and it can also be planned to have the function of adjusting or section valve and adjusting. Butterfly valve is used more and more in low-pressure large and medium-sized diameter pipelines. 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 strengths of the pneumatic butterfly valve are simple structure, small size, light weight, and low cost. The characteristics of the pneumatic butterfly valve are installed in the high-altitude tunnel. It is convenient to operate through the two-position five-way solenoid valve and can also adjust the flow medium.
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