Sea Water Service Wafer Double Disc Check Valve

Sea Water Service Wafer Double Disc Check Valve
Product Details


Check valves are unidirectional and usually installed in high pressure pipelines for preventing fluid flowing back in well service operation, their retainer plates will automatically close if fluid is pushed back.


1. Size: 2″ - 60″

2. Pressure: Class 150 - 2500

3. Temperature: -196℃ - +560℃

4.  Materials: Carbon steel and stainless steel, etc

5. Application: Chemical processing, Oil Field & Power Plant, Hydrocarbon processing



1.Design & Manufacture: API 598, API 6D

2.Face-to-face and End to End:API 594, API 6D, DIN 3202

3.Flange end: DIN2543-2548, API605, ASME B 16.47, ANSI B 16.5

4.Inspection and test: API 598

5.Special: NACE MR-01-75

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