Standards
Design and Manufacture:ASME B16.34、API 6D;
End flange dimension:ASME B16.5(for NPS<24)、API605 or ASME B16.47 seriesA、MSS SP-44(for NPS>24)。
BW end dimension:ASME B16.25
Face to face and end to end:ASME B16.10
Pressure-temperature ratings:ASME B16.34
The Features of Check valve:Bolted Bonnet;Swing and lift disc;Metallic seating surfaces.
Body and bonnet Connection:The body and bonnet of Class 150-Class 900 check valves are usually with studs and nuts,And the body and bonnet of Class 1500-Class 2500 check valves are usually of pressurized seal design.
Body-To-bonnet Joint:Stainless steel+flexible graphite wounded gasket is used for Class150 and Class300 check valve;Stainless steel+flexible graphite wounded gasket is used for Class600 check valve,and joint gasket is also optional for Class600 check valve;Ring Joint gasket is used for Class900 check valve;Pressurized seal design is used for Class1500-Class2500 check valve.
This member assumes full responsibility for the content of this listing. DIYTrade accepts no responsibility whatsoever in respect of such content. To report fraudulent or illegal content, please click here.