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