Woodward UG‐40 Governor Field instrument

Woodward UG‐40 Governor

Applications

UG-40 governors are used for  speed or load control of larger  dual fuel, diesel, or gas  engines or steam turbines  with governor drive speeds of  350 to 1050 or 550 to 1300  rpm.  Governors with lever speed  setting are primarily used for  propulsion engines. Dial or  motor speed setting is  primarily used for powergeneration installations.

SPECIFICATIONS

Input voltage：110V-380V

Electric current：1A-30A

Power： 5W-130W

Warranty period：1 year

Stock Quantity：30

Place of origin：United States, France, Japan, Viet Nam, Australia, Russia, Germany, Italy, Arabia 

DESCRIPTION

Lever Governor  

Engine speed on the Lever governor is set with a speed shaft having almost 90°  rotation for the full speed range. Droop is adjustable from isochronous to 7.5% over  the 38° of output on the high-speed governor and from isochronous to 9.5% over the  full output travel of the low-speed governor.  Lever governors are "reversible", allowing use with reversing engines.

Dial Governor  

The speed reference is set from a manual dial or with an optional speed-setting  motor, mounted on top of the governor.  Droop is adjustable over the complete 38° terminal shaft rotation from 0 to 17.5% on  the low-speed governor. Load Limit is set with an indicator dial to limit terminal shaft  travel in the increase-fuel direction.  The Dial governor is "reversible", allowing use with reversing engines.

Optional Features

A number of special shutdown devices are available for both UG-40 governors. Electric shutdown solenoids are  available in either the de-energize or energize type.  Pressure actuated air, oil, or water shutdown units are also available. These units operate with pressures of 69, 138,  or 414 kPa (10, 20, or 60 psi).  A booster servomotor can be used to supply pressure oil to the governor at the instant starting air is supplied to the  engine, where quick engine starts are required. A booster conserves starting air for the engine. It also improves  maneuverability of vessels using direct reversible engines.  Special solid or spring-driven, vibration-damping ballhead assemblies can help match the UG-40 governor to a  particular engine. The pilot valve bushing can have special "chopper" porting for slow response  in acceleration. Normal porting is either 2 slotted or 8 round. Contact Woodward to exactly match the bushing and  ballhead with the engine being controlled.  Weatherproof cases are available to reduce contamination of the self contained oil sump.  An electric synchronizing motor may be mounted on top of the dial governor for remote speed control to match  frequencies of an engine-driven alternator to other units of a system. Motors are available for all common voltages.  Governor speed can be monitored by using a tachometer and a magnetic pickup mounted on the governor. The  pickup unit is available in a regular or explosion-proof model.  Reduced compensation is available when the compensation on a standard governor is too large to match the  characteristics of the prime mover.

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