... 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: 0.1 ... : 0-2.5mpa, 0-25mpa10) Scale: single or double scale with psi (lb/in), bar, kg/cm2 (kgf/cm2)Inner Packing ...