Valve is used for preventing the back-going of medium in pipelines and equipments, and the pressure of medium will bring the result of opening and closing automatically.When the medium is back-going, valve disc will automaticaly closed to avoid accidents.
Design standard:API 594,API 6D
Face to face :API594,API6D
Pipe flange :ANSI B16.5 ,API 605,ASME B16.47
Testing & inspection:API 598
Pressure- temperature rating: ANSI B 16.34
Type of connection: Wafer
Materials
1 Body GG25
2 Disc SS316
3 Stem SS410
4 Spring SS304
5 Washer PTFE
6 Washer PTFE
7 Gasket NBR
8 Hex nut A193 B |
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