Type Design and Manufacture Face to face/ End to end Flange Dimension Working Pressure Temperature Inspection and test
Swing Chek valve ANSI B16.34 ANSI B16.10 ANSI B16.15 ANSI B16.34 API 598

 

PN(Lb) Nominal Pressure 150 300 600
Shell Test Mpa 3.1 7 8 15 3
Lbf/in² 450 1125 2225
Water Seal Test Mpa 2.2 5.6 11.2
Lbf/in² 315 815 1630
Air Seal Test Mpa 0.5 - 0.7
Lbf/in² 60 - 100

 

Body Cove Disc Stem Paking Sealing Shim Working Temperature Suitable Medium
WCB 2Cr13 Flexible Graphite Enhanced Flexible Graphite SFB/260 SFP/260 PTFE 13Cr STL PTFE ≤425 Water Steam Petroleum
WC1 ≤450
WC6 ≤540
WC9 ≤570
C5 C12 ≤550
CF8 304 ≤600
CF3 316
CF8M 304L
CF3M 316L