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Classification of valve pressure levels
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Classification of valve pressure levels

  • Categories: FAQ
  • Time of issue: 2020-03-10 15:33:18
  • Views: 11

Description:Classification of valve pressure levels

Answer:

Classification of valve pressure levels

Valve classification by pressure:

Vacuum valve—a valve with a working pressure below standard atmospheric pressure.

Low pressure valve—a valve with a nominal pressure PN less than 1.6MPa.

Medium pressure valve—A valve with a nominal pressure of PN 2.5 ~ 6.4MPa.

High pressure valve—a valve with a nominal pressure of PN10.0 ~ 80.0MPa.

Ultra-high pressure valve-a valve with a nominal pressure PN greater than 100MPa.

Pressure level Class and nominal pressure comparison table

The valve is a control component in the fluid delivery system, and has functions such as cut-off, regulation, diversion, prevention of back flow, voltage stabilization, shunting, or pressure relief.

Valves can be used to control the flow of various types of fluids such as air, water, steam, various corrosive media, mud, oils, liquid metals and radioactive media.

Valves are also divided into cast iron valves, cast steel valves, stainless steel valves, chrome molybdenum steel valves, chrome molybdenum vanadium steel valves, dual-phase steel valves, plastic valves, and non-standard customized valve materials.

Keywords:
valve pressure cast steel valves stainless steel valve

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