Stainless Steel Wafer Double Plate Check Valve

Structural Feature Short structural length,only 1/4~1/8 of that of traditional flanged check valve; Low volume,light weight,only 1/4~1/20 of those of traditional flanged check valve; Quick valve disc closedown,low water hammer pressure; Applicable for and easily installed for vertical or...

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Product Details

Stainless Steel Wafer Double Plate Check Valve

Performance

size		DN40~DN800	DN40~DN600
PN		1.0MPa	1.6MPa
Test pressure	shell	1.1MPa	1.76MPa
Test pressure	sealing	1.5MPa	2.4MPa
Applicable temperature		1-EPDM	-30℃~+110℃
		2-neoprene	-7℃~+93℃
		3-NBR	-12℃~+82℃
		4-viton	+10℃~+150℃
Applicable medium		Fresh water, sea water, air, vapor, food, medicine, oil, acid, alkali, salt, etc.

Materials list

Body	Disc	Stem	Bushing	Seat
					Working temp(°C)
CI	Nickel coated DI	416SS	Lubricating bronze	rubber	-20℃-+85℃
DI	WCB	431SS	PTFE	Hypalon	-18℃-+135℃
WCB	ALB-bronze	316SS	SS+PTFE	EPDM	-30℃-+110℃
ALB-bronze	SS			Neoprene	-7℃-+93℃
SS				NBR	-12℃-+82℃
				Wear-resistant Rubber	-10℃-+50℃
				Viton	-23℃-+150℃
				Heat-resistant Rubber	-20℃-+150℃
				PTFE	+10℃-+150℃