MSA Instruments MSA Instruments  

       Pressure Transmitter
       Pressure Switch


Differential Pressure
       Differential Pressure Switches
       Differential Pressure Gauge


       Ultrasonic Level Transmitter
       Radar Level Transmitter
       Capacitance Type Level Transmitter
       Level Switch
       Level Gauges

Flow, Velocity
       Electromagnetic Flow Transmitter
       Ultrasonic Flow Transmitter
       Corioliss Mass Flow Meter
       Solid Flow meter
       Vortex Flow meter

Temperature Transmitter

Valve Positioner

Process Protection Measurement
       Belt Scale
       Weigh Feeders
       Acoustic Sensor

Safety Equipment
        Conveyer Safety Switch

Gas Detector

Pneumatic Valve Accessories
       I/P Converter
       Pressure Regulator
       Volume Booster

   Volume Booster  

The Fairchild Model 4800 Volume booster is specially designed to be used in conjunction with valve positioner on large control actuator to provide faster response than possible with the valve positioner alone.

  • Fixed dead band between the operation of the supply valve and exhaust valve providing Accurate and stable final positioning of the valve.
  • Integral bypass needle valve to optimize response time and stability.
  • Soft seat supply and exhaust valves.
  • Provide efficient leak free operation and prevents hunting when used with modern electronic feed & bleed type positioners Pressure balanced supply valve.
  • Maintains deadband specification preventing changes in control
  • Characteristics when supply pressure changes. Damped diaphragm control chamber
  • Protects valves from damaging oscillation under high flow conditions.
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