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The check valve is also called non return valve. Our check valve, design and manufacture are strictly according to API , DIN , GB.
The Material: Casting WCB, LCB, wc1, LCC, wc6, CF8M, CF3, CF3M, Forged A105, F6a, F304, F316, F316L, F304L, F182F1 etc.
Size : 1/2"-40" (15-1000mm); Class: 150-2500LB( PN1.6-42.0MPa).
All of the non return valves have gotten CE, API6D, TS, ISO9001 certificate.