FAIRCHILD PNEUMATIC VOLUME BOOSTER 4514A

• Five signal to output ratios meet most control element requirements

• Control sensitivity of 1" water column allows use in precision applications

• Large Supply and Exhaust Valves provide high forward and exhaust flows

• Soft Supply and Exhaust Valve seats minimize air consumption

• A balanced Supply Valve minimizes the effect of supply pressure variation

• An Aspirator Tube compensates down stream pressure droop under flow conditions

• A separate Control Chamber isolates the diaphragm from the main flow to eliminate hunting and buzzing

• Optional remote feedback port minimizes pressure drop at final control element under flow conditions

• Optional Adjustable By-Pass Needle Valve option includes bubble tight exhaust valve

allows tuning for optimum dynamic response (1:1 ratio only) and cycle free operation with valve positioners

• Unit construction lets you service the Model 4500A without removing it from the line