Product Overview – Graco 112536 Female QD Coupling
The Graco 112536 is a genuine OEM part listed as a “Coupling, Female, QD” (quick‑disconnect). It is designed to provide a secure, fast‑disconnect fluid or air connection for compatible Graco equipment.
Key Features
- Female quick‑disconnect (QD) coupling.
- OEM Graco part number: 112536. :contentReference[oaicite:1]{index=1}
- Designed for fluid‑handling or finishing applications (paint/coat/air systems) with matching QD male plug.
- Use genuine parts to ensure correct fit, performance and warranty compliance.
Compatible Machines
Below are some common machine types or series where this coupling is known to fit — always verify fitment with your exact machine serial number and manual.
- Graco finishing spray‑guns or coating systems using QD coupling interface. For example, listings for 112536 reference usage with spray‑gun assemblies. :contentReference[oaicite:2]{index=2}
- Graco G‑Series lubrication/transfer pumps (when used with QD female coupling style) — although part number 121474 is more clearly documented for G‑Series, some compatibility overlap may apply. :contentReference[oaicite:3]{index=3}
- Any Graco machine or accessory that specifies “Coupling, Female, QD – 112536” in its parts list (consult the parts manual for your particular model).
Technical & Usage Notes
| Specification |
Details |
| Part Number |
112536 |
| Type |
Female Quick‑Disconnect Coupling |
| Compatible With |
Matching male QD plug of proper size and series |
| Applications |
Finishing/coating equipment, fluid handling, lubrication systems |
| Manufacturer |
Graco |
Installation & Fitment Tips
- Verify that the male QD plug on your machine matches the same series and size as the 112536 female coupling.
- Ensure the threads (if any) and sealing surfaces are clean and undamaged before assembly.
- Check the machine’s parts manual to confirm 112536 is listed for your exact model and serial range.
- Inspect O‑rings or seals and replace if worn — a bad seal can cause leaks or poor performance.
- Never exceed the working pressure of the coupling or of the machine — compatibility is essential for safety and performance. :contentReference[oaicite:4]{index=4}
Frequently Asked Questions
“QD” stands for Quick‑Disconnect. This coupling allows the user to quickly connect or disconnect the fluid/air line without tools, provided the matching plug is compatible.
While the coupling is listed for Graco equipment, you must verify that your specific G‑Series pump model uses the 112536 part. Some G‑Series pumps reference part number 121474 for a similar coupling. Always cross‑check your machine’s parts list and ensure the male plug matches the QD type and threading.
Before installing, ensure:
• The old coupling is removed and the new one threads or mates correctly.
• The male plug is clean and free of damage.
• Seals or O‑rings are in good condition.
• The system is depressurized before disconnection for safety.
• Installation follows the torque or thread guidelines in your machine’s manual.
For further technical assistance or confirmation of fitment, please refer to your machine’s service manual or contact a Graco authorised distributor.
