Detail Information

Material:	Casting,Stainless Steel,Brass	Media:	Water,Gas,Oil,Base,water Oils Non-corrosive Fluids And Steam
Pressure:	Medium Pressure,Low Pressure,High Pressure	Structure:	Check
Temperature Of Media:	Medium Temperature,Normal Temperature,High Temperature	Application:	General,petroleum,energy Etc.,Water System,water Supply And Drainage
Standard Or Nonstandard:	Standard	Connection:	Flanges Universal Standard,wafer,Flange Ends,female/male/ferrule,Male Thread Tube
Standard:	ANSI BS DIN JIS,DIN,ASTM,ANSI,GB
Highlight:	class300 nrv check valve , double disc type NRV Check Valve , ansi double disk check valve

Product Description

Flange Connecting Double Disc Type Swing Check Valves

Check valve is usually installed in linesystem, prevent medium from flowing back. Check valve is an automatic valve that itis open and close by pressure of fluid.

Against the problem of traditional check valve, we accord AMERICA API&GERMNEY DIN, after study and research for many years, developed H76 lug body type wafer, double-disc swing type wafer check valve, H74 swing single-plate wafer check valve, H71 lift wafer check valve, and series of those products. Used in the industry of oil, petro, metallurgy, electric, light industry, food, received high appraisal from customers.

Applicable Standards

Design Standard: API 6D, API 594, BS1868, API602
Nominal Dimension: Casting Valve: 2”-48”, Forging Valve: 1/4"~2"
Nominal Pressure: Class 150-2500
Connection type: WAFER, LUG, FLANGE, ETC.
Structure: Bolted Bonnet, Welded bonnet, Pressure seal, Double disc, Tilting disc,”Y” pattern,Non Slam design.
Material:DI, CS, SS, DSS,LTCS, Inconel ,Monel, Bronze,Aluminum Bronze
Operation: Damper and counterweight(optional)

Design Standard		GB/T12221				API6DAPI594
Pressure-Temperature Rating		GB/T12224				ASME B16.34
Face to Face		Factory standard				API6DAPI594
Flange Ends		GB/T9113JB/T79				ASME B16.5, ASME B16. 47
Inspection & Test		JB/T9092/GB/T13927				API598/API6D
Test Pressure(MPA)	Shell Test	CL150	CL300	CL400	CL600		CL900	CL1500
	High Pressure Seal Test	2.93	7.58	10.0	15.0		22.4	37.5
	Low Pressure Seal Test	2.07	5.52	7.31	11.03		16.54	27.5

Flange Connecting Double Disc Type Class300 NRV Check Valve 0

Flange Connecting Double Disc Type Class300 NRV Check Valve 1

Flange Connecting Double Disc Type Class300 NRV Check Valve 2

Flange Connecting Double Disc Type Class300 NRV Check Valve 3

Tag:

Place of Origin:	CHINA
Brand Name:	coosai
Certification:	API6D, ISO 9001
Model Number:	H76Y

Minimum Order Quantity:	1SET
Packaging Details:	PLYWOOD CASE
Payment Terms:	L/C, T/T

Flange Connecting Double Disc Type Class300 NRV Check Valve

class300 nrv check valve

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