Graco 112555 PTFE Shaft Lip Seal – Overview & Compatibility
The Graco 112555 PTFE Shaft Lip Seal is a genuine replacement seal designed for rotating or reciprocating shafts within Graco fluid‑handling equipment. It uses a durable PTFE lip design to maintain sealing integrity under demanding conditions.
Compatible Machines
- Graco pumps or pump lowers where the parts diagram lists “Seal, Shaft, Lip, PTFE – Part 112555”.
- High‑pressure or industrial Graco fluid‑handling systems requiring PTFE lip seals around shafts.
- Any Graco machine where your parts manual confirms part number 112555 in the shaft or seal section.
Please verify compatibility with your machine’s model and parts list before ordering.
Key Specifications
| Part Number | 112555 |
| Description | Seal, Shaft, Lip, PTFE |
| Weight (approx.) | 0.04 lbs |
| Dimensions | ~ +X +.1.7 × +X +.1.65 in (supplier listing) |
| Brand | Graco |
Installation & Usage Notes
- Ensure the machine model lists part number 112555 in its service or parts manual.
- Check the shaft, bore, and seal housing are within spec and free of wear or damage.
- Clean all sealing surfaces, remove old seal fully, and inspect for debris or corrosion.
- For PTFE lip seals: ensure proper shaft surface finish and dimension tolerances as recommended by manufacturer.
- After replacement, test equipment under controlled conditions and monitor for leaks or unusual noise.
Frequently Asked Questions
The 112555 lip seal fits Graco machines whose parts list explicitly include “Seal, Shaft, Lip, PTFE – Part 112555”. Because compatibility is not widely published, you must check your specific model’s parts diagram.
While this is a genuine Graco seal, interchangeability depends on your machine’s design. If your service manual lists a different part number, consult Graco or your distributor before assuming compatible replacement.
- Locate your machine’s model and serial number from the nameplate.
- Obtain the parts diagram for your model and check for part 112555 in the shaft seal section.
- Compare the dimensions and type of your existing seal to ensure match (material, lip‑seal, PTFE construction).
- If in doubt, contact a Graco authorised distributor with your machine details for confirmation.
Disclaimer: This information is for general reference only. Always verify part compatibility with your machine’s exact model, serial number and authorised service documentation.
