... big brass body and steel cover, plastic knob, double gauges, with safety valve. Oxygen RegulatorUsed with welding machines, has big brass ... body and steel cover, plastic knob, double gauges, with safety valve.Features: 1) Inlet pressure: 15mpa2) Adjusting range: ... h4) Inlet connection: g 5/8 (special requests accepted)5) Double gauges6) Diameter: 50mm, 60mm, 63mm7) Steel case and bezel8) ...