This kind of valve is designed to allow the fluid to flow in a given direction but closes to prevent backflow. Types include swing check, tilting disc check and wafer check. Check valves (also called non-return valves) are usually self-acting. They are mainly used in Oil industry, Chemical industry, petrochemical industry,and so on.
The above attached product' s specification is as following:
Swing Check Valve: |
Size: NPS 1/2"-36" |
Pressure: Class 150-1500
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?Material:1/2"-2":A105,LF2,F11,F22,F5,F304,F316,F304L,F316L 2"-36":WCB,LCB,WC6,WC9,C12,C5,CF8,CF3,CF3M,CF8M
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Design & Manufacture Std.: API 6D,BS 1868,ASME B16.34
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Face to Face Std.: API 6D,ASME B16.10,DIN 3202
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End Connection Std.: ASME B16.11,ASME B1.20.1,ASME B16.5, ASME B16.47,DIN2543-2550,ASME B16.25
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Test Standard:ISO5208,API 6D,BS 6755
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Structure Type: Regular Pattern, Pressure Sealed Pattern, Damping Pattern
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