Two valve groups, three valve groups, five valve groups, globe valves, ball valves, instrument fittings, instrument accessories are not used according to the role of the instrument valves, the instrument valves can be divided into the following categories:
According to the purpose can be divided into: cut-off valve, check valve, safety valve, three valve group, regulating valve, diverter valve.
According to its nominal pressure in use, it can be divided into: vacuum valve, low pressure valve, medium pressure valve, high pressure valve, ultra high pressure valve.
According to the working temperature classification in normal use, it can be divided into: ultra-low temperature valve, low temperature valve, normal temperature valve, medium temperature valve, high temperature valve.
According to the different braking methods, it can be divided into: automatic valve and automatic valve are divided into (safety valve, pressure reducing valve, steam trap, check valve, automatic regulating valve); driving valve, driving valve can also be based on different power sources Divided into (electric valve, pneumatic valve, hydraulic valve, pneumatic valve, electric valve), manual valve.
According to the diameter of the fluid through the instrument valve can be divided into: small diameter instrument valve, medium diameter instrument valve, large diameter instrument valve, extra large diameter instrument valve. According to the structural shape of the instrument valve, it can be divided into: truncated door shape, plug shape, plug valve, swing valve, butterfly line, slide valve line.
According to the connection mode of the instrument valve and other pipe fittings, it can be divided into: screw connection instrument valve, flange connection instrument valve, welding connection instrument valve, clamp connection instrument valve, ferrule connection instrument valve, and clamp connection instrument valve.
According to the materials used in the manufacture of instrumentation valves; metal material instrument valves, non-metallic materials instrument valves, metal valve body lining instrument valves.
There are many other types of instrument valves, but they are still applicable to three-valve, gate, throttle, ball, butterfly, diaphragm, plunger, plug, and check valves for industrial piping. Valves, safety valves, pressure reducing valves, traps, etc.
Http://news.chinawj.com.cn Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn
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