Swing Check Valve

The sizes of valve connecting flange and butt-welding terminas can be designed according to customer's requirement

Product Details

Technical specification：

Structural formation	Bolt-jointed bonnet swing type check valve
Design reference	GB / API
Design standard	GB/T 12236、GB/T 19672 / API6D、BS1868
Face to face	GB/T 12221、GB/T 19672 / API6D、ASMEB16.10
Flanged ends	GB/T 9113 HG/T 20592 HG/T 20615 / ASME B16.5
Test&inspection	GB/T 13927、JB/T 9092 / API598 API6D BS6755

Note: The sizes of valve connecting flange and butt-welding terminas can be designed according to customer's requirement

Major parts material form：

No	Part name	Material (GB)	Material (ASTM)
1	Body	WCB、WC1、WC6、WC9、C5、CF8、CF8M、CF8C、CF3、CF3M	WCB、WC1、WC6、WC9、C5、CF8、CF8M、CF8C、CF3、CF3M
2	Seat	25、1Cr13、2Cr13、1Cr18Ni9Ti、0Cr18Ni12Mo2Ti、20Cr1Mo1V、25Cr2Mov	A105、F11、F22、F5、F9、F304、F316、F321、F304L、F316L
3	Disc	WCB、WC1、WC6、WC9、C5、CF8、CF8M、CF8C、CF3、CF3M	WCB、WC1、WC6、WC9、C5、CF8、CF8M、CF8C、CF3、CF3M
4	Rocker	WCB、WC1、WC6、WC9、C5、CF8、CF8M、CF8C、CF3、CF3M	WCB、WC1、WC6、WC9、C5、CF8、CF8M、CF8C、CF3、CF3M
5	Pivot	1Cr13、2Cr13、1Cr18Ni9Ti、0Cr18Ni12Mo2Ti	Gr.F6a、F22、F304、F316、F321、F304L、F316L
6	Join the shelf	WCB、WC1、WC6、WC9、C5、CF8、CF8M、CF8C、CF3、CF3M	WCB、WC1、WC6、WC9、C5、CF8、CF8M、CF8C、CF3、CF3M
7	Stud	35CrMoA、25Cr2Mov、0Cr18Ni9、0Cr17Ni12Mo2	A193-B7、A320-B8、A193-B8M、A193-B16
8	Six angle nuts	45、35CrMoA、25Cr2Mov、0Cr18Ni9、0Cr17Ni12Mo2	A194-2H、A194-8、A194-8M、A194-4
9	Gasket	Graphite & stainless steel	Graphite & stainless steel
10	Bonnet	WCB、WC1、WC6、WC9、C5、CF8、CF8M、CF8C、CF3、CF3M	WCB、WC1、WC6、WC9、C5、CF8、CF8M、CF8C、CF3、CF3M