... structures Ceritificate: ISO9001 RS51 Series stainless steel ultra-large flow pressure-relief device, diaphragm decompression structure, stable output pressure ... , is applied to such occasions where high flow output is required.Characteristic parametersMaterialWeightMax. input pressure 500 psigOutput ... pressure 0~25, 0~50,0~100, 0~125,0~250 psigSafety test pressure 1.5 ...