Fairchild Industrial Products P/N 1033, Air Pressure Regulator, 0.5-30 PSIG Adjustable Range, 250 PSIG Max. Supply Pressure, 50 SCFM Nominal Flow Capacity, Zinc Body, Buna-N Diaphragm, Knob Actuator, 1/2" Water Column Sensitivity, 3/8"NPT Female Pressure Conn., No-Bleed Design, Relieving, Model 1000 Precision Air Pressure Regulator Valve
See Product Datasheet for Complete Specifications.