The selection principle of the Plug Valve

According to the plug valve structure characteristics and design can be achieved by function, according to the following principles:

1. suggestions for selection, for dispensing a medium and change the flow direction of medium temperature below 300 DEG C, Kai, nominal pressure, nominal by 1.6MPa 300mm, suggested the use of multiple plug valve.

2. milk, juice, beer and other food companies and pharmaceutical plant, equipment and pipeline, and suggested the use of austenitic stainless steel to tightening conical plug valve.

3. oil, natural gas field, pipeline branch, scouring and cleaning equipment, nominal pressure level is less than or equal to CL300, nominal by < 300mm, working temperature less than 340 DEG C, and suggested the use of oil seal type conical plug valve.

4. oil, natural gas field, pipeline branch, scouring and cleaning equipment, nominal pressure level is less than or equal to CL2500, nominal by < 900mm, working temperature less than 340 DEG C, and suggested the use of pressure balance type inverted conical plug valve.

5. a large chemical industry, containing corrosive medium pipeline and equipment requirements, opening or closing speed occasion, for using nitric acid as a base medium, can choose 1Cr18Ni9 stainless steel PTFE sleeve sealing conic plug valve; for acetic acid based medium, can choose Cr18Ni12Mo2Ti stainless steel PTFE vinyl sleeve sealing conic plug valve.

 6.coal gas, natural gas, HVAC system piping and equipment, when the nominal pressure, nominal by 1.0MPa 200mm, should choose the filler type conical plug valve.

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