The main types and classification of the valve

There are many different kinds of valves, according to different standards can be a lot of valve type, the following simple introduce our company's classification of the valve. According to use classification: block valves: ball valve, gate valve, globe valve, plug valve, diaphragm valve; Non-return valve, check valve, duckbill valve, check valve, pipe clamp valve; Throttle valve, regulating valve, throttle valve, butterfly valve; Filtering valve: filter; Close valve: three-way valve, four-way valve, valve, steam trap; Pressure valve, safety valve, relief valve, pressure regulator valve; Special valve, drain valve, exhaust valve, pigging valve; According to the stress classification: vacuum valve: < the atmospheric pressure valve; Low pressure valve: PN0. 1 - 1. 6mpa； Medium pressure valve: PN2. 5 - 6. 4mpa； High pressure valve: PN10 - 80 mpa; Ultrahigh pressure valve: & ge; PN100mpa; According to the classification of temperature: room temperature valve: - 29℃- 180℃； Valve in temperature: 200 ℃ 425℃； High temperature valve: 450 ℃ 580℃； Ultra high temperature valve: & ge; 600℃； Cryogenic valve: - 30℃- 90℃； Cryogenic valve: & ge; - - - - - - 100℃； Web site: WWW. zjxmfm。 com