Double disc wafer check valve manufacturer, China wafer check valve factory, company and supplier. Double disc wafer check valve is applicable for various pipelines with nominal pressure of PN1.0 Mpa~42.0Mpa, Class 150LB~2500LB and nominal diameter of DN15~1200mm,NPS 1/2-48 and working temperature of -196~540 degree Celsius. Double disc wafer check valve can be used for protecting from medium backflowing.The different materials selection can apply to the medium involving water,steam,oils,nitric acid,acetid,strong oxidizing medium and urea etc.
Double disc wafer check valve specification
Face to face per ANSI B 16.10
Flange ends dimension ANSI B 16.5/ANSI B 16.47
Final inspection tests to API598.
Sizes: 1/2" - 24" ,DN15- DN600
Pressure Rating: Class150 - Class2500,PN16 - PN420
working temperature: -196~540 degree Celsius.
Material: WCB, LCB, WC6, WC9, C12, C5, CF8, CF3, CF3M, CF8M, etc.
Double disc wafer check valve feature
1. Double disc wafer check valve structure length is short, its structure length is only 1/4~1/8 of the traditional flange check valve;
2. Double disc wafer check valve is sensitive action, good sealing performance;
3. Double disc wafer check valve is small volume, light weight, its weight is only 1/4~1/20 of the traditional flange check valve;
4. Double disc wafer check valve disc stroke is short, the valve closing impact is small;
5. The disc closes quickly, and the pressure of the water hammer is small;
6. Double disc wafer check valve overall structure, simple and compact, beautiful shape;
7. Horizontal pipe or vertical pipe can be used, easy to install;
8. Long service life, high reliability.
9.Flow passage unobstructed, fluid resistance is small;
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