Woodward 8516-039 TG-13 Turbine Governor

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Manufacturer: Woodward
Model/Part Number: 8516-039
Description: TG-13 Mechanical-Hydraulic Speed Droop Governor, Screw Speed Setting, 12 ft-lb Output, 2400-4000 RPM, Counterclockwise (CCW) Rotation, for API611 Steam Turbines

The Woodward 8516-039 is a TG-13 mechanical-hydraulic speed droop governor designed to control API611 steam turbines driving pumps, compressors, or generators in applications where isochronous (constant-speed) operation is not required. It regulates turbine speed by sensing rotor speed via the input drive shaft, comparing it to an internal speed setpoint, and adjusting steam flow through a rotary output terminal shaft connected to the turbine’s governor valve.

Specification	Details
Model	8516-039
Series	TG-13
Type	Mechanical-hydraulic speed droop governor
Speed Range	2400–4000 RPM (factory-set, adjustable)
Rated Speed Droop	4035 RPM at 2°
Drive Shaft Rotation	Counterclockwise (CCW)
Output Torque	16 N·m (12 ft-lb), counterclockwise rotary output
Terminal Shaft Travel	40° maximum, 2/3 (26.7°) recommended from no load to full load
Internal Oil Pressure	1034 kPa (150 psi)
Oil Sump	Self-contained, 0.4 L (0.42 qt) capacity
Recommended Oil	SAE 10–50, based on operating temperature (per Woodward manual 25071)
Speed Setting	Screw speed setting (standard), lever speed setting (optional)
Droop	Factory-set, internally adjustable
Case Material	Die-cast aluminum
Operating Temperature	-40°C to +93°C (-40°F to +200°F)
Storage Temperature	-40°C to +93°C (-40°F to +200°F)
Protection Rating	Weatherproof, NEMA “A”
Dimensions	Approximately 178 mm x 152 mm x 127 mm (7 in x 6 in x 5 in)
Weight	Approximately 0.8 kg (1.76 lbs)
Mounting	Base or flange mount
Certifications	ATEX (for hazardous locations)
System Compatibility	API611 steam turbines (pumps, compressors, generators)

Product Description

Manufacturer: Woodward
Model/Part Number: 8516-039
Description: TG-13 Mechanical-Hydraulic Speed Droop Governor, Screw Speed Setting, 12 ft-lb Output, 2400-4000 RPM, Counterclockwise (CCW) Rotation, for API611 Steam Turbines

The Woodward 8516-039 is a TG-13 mechanical-hydraulic speed droop governor designed to control API611 steam turbines driving pumps, compressors, or generators in applications where isochronous (constant-speed) operation is not required. It regulates turbine speed by sensing rotor speed via the input drive shaft, comparing it to an internal speed setpoint, and adjusting steam flow through a rotary output terminal shaft connected to the turbine’s governor valve.

Specification	Details
Model	8516-039
Series	TG-13
Type	Mechanical-hydraulic speed droop governor
Speed Range	2400–4000 RPM (factory-set, adjustable)
Rated Speed Droop	4035 RPM at 2°
Drive Shaft Rotation	Counterclockwise (CCW)
Output Torque	16 N·m (12 ft-lb), counterclockwise rotary output
Terminal Shaft Travel	40° maximum, 2/3 (26.7°) recommended from no load to full load
Internal Oil Pressure	1034 kPa (150 psi)
Oil Sump	Self-contained, 0.4 L (0.42 qt) capacity
Recommended Oil	SAE 10–50, based on operating temperature (per Woodward manual 25071)
Speed Setting	Screw speed setting (standard), lever speed setting (optional)
Droop	Factory-set, internally adjustable
Case Material	Die-cast aluminum
Operating Temperature	-40°C to +93°C (-40°F to +200°F)
Storage Temperature	-40°C to +93°C (-40°F to +200°F)
Protection Rating	Weatherproof, NEMA “A”
Dimensions	Approximately 178 mm x 152 mm x 127 mm (7 in x 6 in x 5 in)
Weight	Approximately 0.8 kg (1.76 lbs)
Mounting	Base or flange mount
Certifications	ATEX (for hazardous locations)
System Compatibility	API611 steam turbines (pumps, compressors, generators)

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