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UG-40

The Woodward UG-40 is a legendary mechanical-hydraulic governor that established industry standards for industrial turbine control from the 1940s-1980s, still operational in legacy systems worldwide.

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TEL:400-887-3214
Mail:jilineasyyi@outlook.com
Q Q:615739355
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Key Features
✔ Self-Powered Operation

Hydraulic system requires no external electricity

Operates on engine lube oil pressure (100-150 psi typical)

✔ Precision Speed Control

±0.25% speed regulation accuracy

Adjustable speed range: 300-3600 RPM

Field-adjustable droop (0-10%)

✔ Industrial-Grade Construction

Cast iron main housing

Bronze bushings for wear resistance

Oil-bath lubrication system

✔ Manual Override Capability

Emergency hand speed adjustment

Mechanical linkage for backup control

3. Technical Specifications
Control Parameters:

Parameter Specification
Speed Range 300-3600 RPM (adjustable)
Speed Stability ±0.25% of setpoint
Droop Adjustment 0-10% (field adjustable)
Response Time <1 second (for 10% load change)
Hydraulic System:

Parameter Specification
Operating Pressure 100-150 psi (7-10 bar)
Oil Temperature Range 20-80°C (68-176°F)
Oil Viscosity SAE 20W or equivalent
Physical Specifications:

Parameter Specification
Dimensions 200 × 150 × 100mm
Weight 4.5 kg (10 lbs)
Mounting Direct engine flange mount
Shaft Connection Standard splined coupling
4. Applications
Industrial Power Generation:

Diesel generator sets

Gas engine power plants

Emergency backup systems

Marine Applications:

Auxiliary engine control

Small vessel propulsion

Process Industries:

Pipeline compressor drives

Pump station engines

Agricultural equipment

5. Maintenance Requirements
Routine Service:

Oil change every 500 operating hours

Linkage lubrication every 250 hours

Filter inspection monthly

Major Maintenance:

Bushing replacement every 10,000 hours

Complete overhaul every 5 years

6. Ordering Information
Standard Unit: UG-40 (base model)

Replacement Parts:

UG-40-RK: Rebuild kit (seals, gaskets, springs)

UG-40-LK: Linkage kit

UG-40-FK: Filter kit