A41H Flanged Spring Low Lift Enclosed Safety Valve, Pressure Vessel Overpressure Relief Valve

A41H spring low-lift enclosed flanged safety valve with metal hard seal. Enclosed structure prevents medium leakage. Suitable for water, air, oil and other media. WCB cast steel and 304 stainless steel options available. The valve automatically opens to release pressure when system pressure exceeds preset popping pressure and closes automatically after pressure drops, protecting pressure vessels, gas tanks and high-pressure pipelines. Flange standards GB, HG, ASME B16.5 available, set pressure customizable.