Wafer Butterfly Spring Loaded Double Disc Non Return Check Valve (H76X)

• Media: Water, Oil, etc
• Driving Mode: Hydraulic Driving Along with Spring Force
• Connection Form: Wafer
• Model NO.: H76X
• Structure: Centre Sealing
• Seal Form: Auto Sealed
• Valve Stem: Normal
• Work Pressure: Pn10 ~Pn40
• Working Temperature: Normal Temperature (-40°C<T<120°C)
• Material of Seal Surface: Rubber Seat or Metal Seat
• Valve Body: Casting
• Standard: GB/T12338-2008, Gj/T282-2008 etc
• Application: Industrial Usage, Water Industrial Usage, Household Usage
• Certificate: ISO, Ce
• Size: 2" - 40"
• Nominal Pressure: 150lb--900lb
• Suitable Medium: Water, Oil, Gas and etc.
• Transport Package: 1. Inner: Plastic Package2. Outer: Plywood Case
• Specification: ISO9001: 2000
• Trademark: KARFAR
• Origin: China
• Production Capacity: 5000PCS/Month

Product Description

Wafer Butterfly Spring Loaded Double Disc Non Return Check 

This valve are mainly composed of boby. disc(valve stem), spring and etc. The short closing stroke of disc and function of spring may strengthen closing effect and reduce the sound of water hammer  and slamming .

Specification
1) Size: 2" - 40"
2) Class: 150lbs - 900lbs

Technical standards:
1) Design and manufacture: API 6D
2) Face-to-face: ANSI B16.10
3) Flange end: ANSI B16.5
4) Inspection and test: API 598

Main materials:
1) Body and disc: Brass, carbon steel, stainless steel, Hascrome
2) Stem: Stainless steel
3) Torsion spring: Stainless steel
4) Seal surface: Buna-n rubber, stainless steel, gathered four fluorine
Ethylene, and nylon plastics.
 

Suitable Medium	Water, Oil, Gas and etc.
Main material	CAST IRON,ASTM A216 WCB, WCC, WC6, SS304, SS316, CF8, ETC.
Suitable Temperature	≤80ºC
Nominal Pressure	150lb--900lb
Nominal Diameter	2"--40"
Flange Dimension	ASME B16.5, BS4504, ISO2531, ISO7005 and other standards conforming to the requirements
Face to Face Length	API594,BS5155, ISO5752, DIN3352 and other standards conforming to the requirements

Wafer End Non Return Check Valve Group Show