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Woodward 9904-802 mechanical-hydraulic speed governor

Woodward 9904-802 mechanical-hydraulic speed governor

WOODWARD / TG SERIES
9904-802
TG 17
SPEED GOVERNOR
◆ MECHANICAL CONTROL
RATED SPEED / DRIVE ROTATION
TG 17 · 2400 RPM
Mechanical speed governor configuration. Match rated speed and drive direction to the installed application.
01 / RATED
2400
RPM
02 / OUTPUT
17.5
ft·lbf
03 / ROTATION
CCW
Drive
Rated-speed setting at 2°: 2010 RPM. Verify drive direction and system requirements before replacement.
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WOODWARD / TG GOVERNOR SERIES
9904-802
TG-17 · 2400 RPM · ATEX Compliant
Mechanical speed governing · Screw setting · CCW drive rotation
WORK OUTPUT
17.5
ft·lbf
RATED SPEED
2400
RPM
DRIVE ROTATION
CCW
Counterclockwise
01 / Technical Specification

Woodward 9904-802 is identified in the TG-17 governor family. Its speed and rotation specifications distinguish it from other TG-17 variants, so the full part number should be used when sourcing a replacement.

Parameter 9904-802 specification
Product family TG-17 governor
Rated speed 2400 RPM
Compliance ATEX compliant
Work output 17.5 ft·lbf
Speed setting Screw
High speed at 2° 2900 RPM
Rated speed at 38° 1800 RPM
Rated speed at 2° 2010 RPM
Low speed at 2° 1200 RPM
Drive rotation CCW
Confirm installation requirements and the meaning of the applicable speed-setting references against the specific governor documentation and application.
02 / Why the exact TG-17 variant matters

TG-17 models share a family name and work-output rating, but rated speed, rotation direction and droop-related speed values can differ. A mismatch may affect mechanical fit or operating behavior. Verify these characteristics rather than selecting by family name alone.

Check first Why it matters
Rated speed Separates 2400 RPM and higher-speed variants.
Rotation 9904-802 is listed as CCW; some related models are CW.
Setting method This model uses a screw speed setting.
Certification Confirm the required compliance for the installation site.
03 / Related TG-17 Model Comparison
Part number Rated speed Rotation Rated speed at 2°
9904-800 2400 RPM CCW 1950 RPM
9904-801 2400 RPM CW 1950 RPM
9904-802 2400 RPM CCW 2010 RPM
9904-803 4000 RPM CCW 4035 RPM
9904-804 4000 RPM CW 3910 RPM
9904-805 4000 RPM CCW 3910 RPM
Selection note: 9904-802 differs from 9904-800 in its listed rated speed at 2°. 9904-801 is listed with clockwise rotation. The 4000 RPM models are not direct substitutes based on family name alone.
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04 / REQUEST A QUOTE
Woodward 9904-802

Include quantity, destination, required date and the engine or governor application to help confirm the correct variant.

EMAIL FOR A QUOTE WHATSAPP SALES
Delivery: 3–5 days* Warranty: 12 months* Payment: T/T
Brand-new packaging · E-packing / FedEx / EMS / TNT / DHL / UPS, subject to confirmation
*Confirm availability, dispatch schedule, warranty applicability and shipping method with sales.
05 / FAQ — WOODWARD 9904-802
1. What type of governor is Woodward 9904-802?
It is listed as a TG-17 governor with a 2400 RPM rated speed and ATEX-compliant designation.
2. What is the rated work output?
The listed work output is 17.5 ft·lbf. Check the exact application requirements before installation or replacement.
3. Does 9904-802 rotate clockwise or counterclockwise?
The listed drive rotation is counterclockwise (CCW). Do not substitute a clockwise variant without checking the application.
4. How does it differ from 9904-800?
Both are listed as 2400 RPM TG-17 models with CCW rotation, but their rated-speed-at-2° values differ: 2010 RPM for 9904-802 and 1950 RPM for 9904-800.
5. What should I send when requesting a replacement?
Provide the complete part number, quantity, engine or governor details, destination and required date. A nameplate record helps reduce variant-selection errors.
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