Gas Regulator Maximum Gauge Outlet Pressure 4 000 psig Number of Stages Single Stage Compatible Gas Type Oxygen Control Type T-Handle Inlet Connection Type NGO Inlet Connection Gender Male Inlet Connection Size 0.825 In.-14 Outlet Pressure (Maximum) 125 psig Outlet Connection Gender Male Outlet Connection Size 9/16 In.-18 Outlet Connection Type UNF Body Material Brass Diaphragm Material Stainless Steel CGA Number CGA 540 Application Cutting Heating Welding Body Diameter 3.5 in