Supply Of Multistage Pressure Regulator For Acetylene Gas Cylinders, Class2 With Inlet Prressure Of 20 Bars And Maximum Flow Of 250 Ltrs. / Min. Conforming To Is:6901-2009 Second Revision Iso 2503-1998 With Stainless Steel Diaphragm At 1St Stage And Neoprene Rubber Diaphragam At 2Nd Stage And Inletwith Ceramic Filters- Isi Marked: Similar Toisi Marked Models Goldline 7022 S / A0-1.5 Of M / S Ador Welding Ltd.Or Duraa-1.5 Of M / S Esabindia Ltd.Isi Marked. [ Vital Item ]