Double Disc Wafer Check Valve 

Body Material		PN	Suitable temperature	suitable meidum
cast steel	Z	1.0-1.6	-10~150	water, gas, oil,acidity
WCB	C	1.0-1.6	?450	water,gas, oil
stainless  steel	P	1.0-1.6	?200	nitric acid
	R	1.0-1.6	?200	acetic acid
Material	Z			C	P	R
Body Material	cast iorn, cast steel			WCB	Cr Ni     Ti	Cr Ni Mo Ti
body	cast copper, ductile cast steel, stainless steel			Cr steel
Disc	stainless steel			Cr steel
seal	nitrile chlorine rubber			Cr steel
spring	spring steel, stainless steel			Cr steel

Dimension

DN		50	65	80	100	125	150	200	250	300	350	400	450	500	600
1.0Mpa	D	107	127	142	162	192	218	273	328	378	438	489	539	594	695
	L	43	46	64	64	70	76	89	114	114	127	140	152	152	178
	Wt(KG)	1.5	2.4	3.6	3.6	7.3	9.0	17	26	42	55	75	107	111	165
1.6Mpa	O	107	127	142	142	192	218	273	328	378	438	489	539	594	695
	L	43	46	64	64	70	76	89	114	114	114	140	152	152	178
	Wt(KG)	1.5	2.4	3.6	3.6	7.3	9.0	17	26	42	42	75	107	111	165

High quality, reasonable price, quick delivery deadline and considerate after service are our features.