BUTTERFLY CHECK VALVE

BUTTERFLY CHECK VALVE

Application: Wafer-type dual plate butterfly check valve adopts an advanced foreign structure design and is an energy-saving product conforming to the world standard. It is good at the check performance, safe, reliable, small in the flowing resistance, and mainly suitable for petroleum, chemical, food, and pharmacy. light & textile, paper-making, water supply and drainage, refinery and energy, etc. systems, used as a one-way valve.

Body material		Valve plate		Shaft	Rubber block			Spring
Material name	Code	material name	1	Material name	Material name	code	℃	Material name
Cast iron	Z	Black cast iron ball plating	2	Stainless steel	EPDM	x3	-46 ~ 121	Stainless steel
Ductile iron	Q	Aluminum bronze	3		Neoprene	x4	-29 ~ 99
Carbon steel	C	ZG1Cr1BNi9Ti Stainless steel	4		NBR	x5	-23 ~ 82
Stainless steel	P	CF8M stainless steel	5		Viton	x6	-23 ~ 150
		CF8 stainless steel	6

DN		50(2”) ~ 700(28”)	50(2”) ~450(18”)	mm(inch)
PN		1.0	1.6	Mpa
Test pressure	Case	1.5	2.4	Mpa
	Seal	1.1	1.76	Mpa
Suitable temperature		-15℃ ~ 150℃
Suitable media		water, sewage, air, steam, food, medicines, oils, acids