AV Volume Booster is designed to meet conventional and high speed control valve applications. It produces a volume boosting action and contains an integral stabilizing by-pass valve, adjustable by a screw. Opening this valve it is possible to improve the stability of the system composed by positioner - volume booster - actuator.

PLUS:
　　Collectable exhaust
　　Compact dimensions
　　Independent calibration for charge and exhaust
　　Regulation screw is not ejectable by internal air pressure
　　Technical data
Operating pressure
　　3÷7 bar
　　(Design pressure 10 bar)
Standard operating temperature
　　-20°C to 70°C
　　(lower or higher temperature on request)
Housing materials
　　Painted RAL 7001 aluminium
　　Stainless steel 316
CV max
　　ND 1/4” : Inlet = 1 / Outlet = 1
　　ND 3/4” : Inlet = 4.5 / Outlet = 3
Pilot signal connection
　　ND 1/4”
Output connections
　　ND 1/4”
　　ND 3/4”