Gas Regulator Maximum Gauge Outlet Pressure 400 psig Number of Stages Two Stage Compatible Gas Type Acetylene Control Type Knob Inlet Connection Type NGO Inlet Connection Gender Female Inlet Connection Size 0.885 In.-14 Outlet Pressure (Maximum) 15 psig Outlet Connection Gender Male Outlet Connection Size 9/16 In.-18 Outlet Connection Type UNF Body Material Brass Diaphragm Material Neoprene CGA Number CGA 510