Volume Booster

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.

Exclusive manifold mounting system

Exclusive manifold mounting system

It is a special IMI STI application to connect our accessories. Fittings or nipples are not necessary as the connection is achieved using machined connection faces with sealing 'o' ring. This system saves time for assembly, reduces costs, inventory and the shortened dimensions save space.


  • 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”

Contact us for more information