The application of electric wafer butterfly
With the development of the electric valve has many well-known enterprises at home and abroad, now electric butterfly valve in practical application is more and more widely in technology, products with excellent quality and perfect after-sales service to win the broad masses of customers, connection mode mainly include: flange and clamp. Is important in the field of industrial automation control execution unit. Belong to a variety of electric valves and electric control valve. Widely used in textile, power stations, petrochemical industry, heating and refrigeration, pharmaceutical, shipbuilding, metallurgy, light industry, environmental protection and other fields. The product can be used as pipe system shut-off valve, control valve and check valve. Full manual control device, electric or pneumatic actuator, specific conditions can satisfy different working conditions. Meet the most stringent quality requirements, can be very persistent. Especially in the iron and steel metallurgy, ship industry, has a very high reputation. Self-reliance type temperature control valve electric gate valve AW pneumatic actuator electric butterfly valve is suitable for the need to flow control applications. Because of the butterfly valve in the pipeline pressure loss is bigger, about three times the gate valve, so when choosing butterfly valves, piping system is affected by pressure loss should be considered, also should consider closing butterfly plate consistence of pipeline medium under pressure. In addition, you must consider resilient seat materials at high temperature on the operating temperature limit. The structure of the butterfly valve length and smaller overall height, opening and closing speed, and has good flow control characteristics, the structure principle of butterfly valve is most suitable for the production of large diameter valves. When the butterfly valve for control flow using one of the most important is correct choose the size and type of butterfly valve, and making it work properly and effectively. Center line butterfly valve, usually in throttling and adjusting control and mud medium, shorter demand structure, opening and closing speed ( 1/4 turn) 。 Low voltage cutoff ( Small pressure difference) , recommended to choose butterfly valve. In two position adjustment, reducing channel, low noise, have spirit cave and gasification phenomenon, a small amount of leakage into the atmosphere, with abrasive medium, can choose butterfly valve. Throttling under special working conditions, or seal strict or severe worn, low temperature, Cryogenic) When using the butterfly valve such as operating conditions, need to use special design to triple eccentric metal sealing with conditioning special or double eccentric butterfly valve.