Wafer check valve

Products Name:	Wafer check valve
Item No:	227871
Update time:	2005-5-22 12:42:00
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Wafer check valve Description

Discription：In view of the large bulk, high pressure of the water hammer, large resistsance against the fluid of the traditional check valve, our company developed and produced model# H71、H76 type wafer check valves by absorbing the advanced foreign technology, according to American API, German DIN and our GB standards. The weight is only 1/4～1/20 of the traditional flange check valve. The face to face dimensions are only 1/4～1/8 of the traditional one. With advanced structure, supreme performance and complete specification, our valves are highly evaluated by our customers and are applied to the lines of petroleum,   chemistry, metallurgy, light industry and foodstuff, etc. It was awarded the silver prize at the Fourth Session of China New Technology Products Fair.

Structural features:

1. Short in face to face dimensions, small in bulk, light in weight；
2. Valve discs close quickly, the pressure of the water hammer is little；
3. Applicable to both vertical and horizontal pipes. Simple installation；
4. Simple, impact structure and nice outline；
5. Smooth channel and little fluid resistance；
6. Flexible action and fine sealing；
7. Prolonged service time and high raliability。

Application: Applicable to various pipes of Class150～2500、PN1.0～42.0MPa；working temperature of -29～425°C（carbon steel）、-40～500°C（stainless steel）to prevent opposite flowing of fluids. Different materials of valves can endure many fluids like water, vapour, oil, nitric acid, acetic acid, intense oxidation fluid and urea, etc.

Body materials:WCB、CF8、CF3、CF8M、CF3M、ZG1Cr18Ni9Ti、
              ZG1Cr18Ni12Mo2Ti
Type of connection：Wafer

Standards:
Manufacture: API594, API 6D, GB12224
Face to face/end to end dimensions: API594, API 6D, GB/T15188.2
                                                                   DIN3202
Pipe flange: ANSI B16.5, GB9112～9131, JB/T74～90, SH3006
                      HG20615～20635
Pressure- temperature rating: ANSI B16.34
Testing & inspection:  API598, ZBJ16006

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