Woodward 8440-1809 EASYGEN-1500-55B Brand New

Description

An internal oil pump, relief-valve, and accumulator system controls governor operating pressure. A self-contained sump stores oil and reduces contamination from outside sources. Oil flow to and from the governor cylinder assembly is controlled by a centrifugal flyweight-head and pilot-valve assembly. A power cylinder (servomotor) positions the fuel racks, fuel valve, or steam valve of the engine or turbine. A pneumatic (direct or reverse) operated bellows-type mechanism sets governor speed. A knob on the governor provides a means of manual speed adjustment. Governor stability is provided by an adjustable needle valve and spring-loaded buffer compensation system.

An oil cooler is recommended when governor oil temperature exceeds 99 °C (210 °F) or governor drive shaft speed exceeds 1200 rpm on diesel or gas engines, or 1100 rpm on steam turbines. Air, oil, or water shutdown devices, either high or low pressure, are available for engine protection. An energize or de-energize solenoid shutdown device is also available. For quick starts, a booster servomotor is available to supply immediate oil pressure to the governor.

This conserves engine starting air. Preloaded buffer springs are available for governors used on gas engines and on some engines driving reciprocating pumps. Various base and power cylinder assemblies are available to conform to engine or turbine manufacturer’s specifications. Power servos may be mounted integrally on the governor with the terminal shaft in either the 3, 6, 9, or 12 o’clock positions. Power servos also may be mounted remotely from the governor. However, rotary power servos mount vertically only.

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