Regulator Air Inlet Size 1/2 in Air Inlet Type NPT Maximum Operating Pressure 1 MPa Maximum Operating Temperature 60 Degrees C Pressure Gauge Included Yes Adjustment Mechanism Knob Adjustment Location Bottom System Location Air Line Series AR-D Adjustment Mechanism Material Rubber Air Outlet Size 1/2 in Air Outlet Type NPT For Fluid Type Air For Substance Type Air Includes Limit Indicator Maximum Regulated Pressure 123.2821 psi Minimum Operating Temperature -5 Degrees C