Fairchild Model 4500A Pneumatic Volume Booster, 1:1 ratio, 250 psi [17 BAR] supply, 150 SCFM [255m3/Hr]@100 psi supply/20 psi set, 150 psi [10 BAR] output, 3/4 FPT line & signal, 1/4 FPT gauge, Nitrile on Dacron.

Product Type: Pneumatic Volume BoosterManufacturer: FairchildProduct Family: Model 4500AAccuracy: 0.50 psiPipe Size: 3/4 FPTAmbient Temperature: -40 F (-40 C) to 200 F (93.3 C)Base Model: 4516ABody Material: AluminumElastomer: Nitrile on DacronExhaust Capacity: 40 SCFM [65.2m3/Hr] where downstream pressure is 5 psi above 20 psi setpointExhaust Type: Straight (standard)Flow Capacity: 150 SCFM (255 M³/HR)FlowCv: 3Max. Output Pressure: 150 PSIGMax. Supply Pressure: 250 PSIGMounting: Wall (order 20555-1 bracket below)Operator: Pneumatic pilot signalOptions: NoneRatio: 1:1RatioAccuracy: 3.0 pct of 100 psi output spanSignal to Output Pressure Ratio: 1:1Sensitivity: 1 in WCFlow Capacity: 150 SCFMPressure Range: 0-150 psiSupply Pressure: 250 psi