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PGA Governor

PGA Governor

PGA Governor

Applicatons

The PGA Governor controls speed or power output of prime movers used for propulsion, power generators, and propeller pitch on marine applications, locomotives, and off-road vehicles.

A wide variety of limiters and other accessories makes the PGA governor extremely versatile. The pneumatic speed reference setting makes the governor economical to install and easy to maintain.

The self-contained hydraulic oil supply makes the governor easily maintained in almost any installation environment.

Pneumatic Speed Setting
Standard system uses a 690 kPa (100 psi) system. A 1379 kPa (200 psi) system is optional.

Description

The PGA is a pressure compensated, hydraulic governor that uses an air signal to establish the engine speed setting of the governor.

An internal oil pump, relief-valve, and accumulator system controls governor operating pressure. A self-contained sump stores oil and reduces the possibility of contamination from outside sources.

Oil flow to and from the governor power cylinder assembly is controlled by a centrifugal flyweight and pilot-valve assembly. The power cylinder (servomotor) positions the fuel racks, fuel valve or steam valve of the engine or turbine.

A pneumatic signal operates a bellows (direct or reverse) to change the engine speed setting of the governor. Manual speed adjustment may be made with a knob on the governor. An adjustable compensation system provides stability.

PGA Governor

Pressure Compensated Mechanical Governor

Product Specification 36701

Features

  • Isochronous or droop control
  • 16 to 678 J (12 to 500 ft-lb) output capacities
  • Rotary or linear output
  • Integral power servos
  • Pneumatic or manual speed setting
  • Self-contained sump

Fact sheet

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