Check valve is a kind of automatic valves, which can avoid medium refluence, pump and actuating motor reversal, and medium leakage. Check valve can also be used for the pipelines which is used to supply provision for the auxiliary system whose pressure may exceed the system pressure.
Xinhai check valves: API 594/6D/602, ASME B 16.34, ANSI, DIN 3840, BS 1868/1873, BS EN 1868, swing, lift, wafer, forged, Class 150 - 2500, 1/2 - 48 inch.
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