

The Graco 108845 Vee Packing is a durable UHMWPE seal designed for heavy-duty displacement pumps. Key points to know:
The Part No. 108845 V‑Packing (UHMWPE) from Graco is a precision‑engineered seal designed for the lower section of heavy‑duty displacement pumps. It is made of ultra‑high molecular weight polyethylene (UHMWPE) and provides reliable sealing for pumps converted with the packing conversion kit. According to Graco’s parts list, it is used in conversion kit 223443 for pump lower assembly Part 253597. :contentReference[oaicite:0]{index=0}
When verifying fitment for Part 108845, ensure your machine uses the stainless‑steel lower assembly Part 253597 (or equivalent) and has been converted via Kit 223443. Based on available documentation, the following machine family is compatible:
Note: Because explicit machine model names were not fully detailed in publicly available documentation for Part 108845, we strongly advise confirming your pump’s lower assembly number and conversion status in your machine’s manual or parts list before ordering.
| Feature | Details |
|---|---|
| Material | UHMWPE (Ultra‑High Molecular Weight Polyethylene) |
| Function | Vee‑packing seal for dynamic rod/piston section in pump lower assembly |
| Typical Use | Used in Conversion Kit 223443 for Lower 253597 to upgrade pump packings to UHMWPE/PTFE configuration. :contentReference[oaicite:2]{index=2} |
| Orientation Note | Lips of vee‑packings must face downward during installation. :contentReference[oaicite:3]{index=3} |
Before replacing the packings, relieve all fluid pressure and clean the fluid section thoroughly. During assembly, apply a light coating of compatible lubricant to the packings, seat them evenly and torque to the specification provided in the manual. The orientation of the vee‑packing lips (facing down) is critical to prevent bypass and ensure pump seal integrity. :contentReference[oaicite:4]{index=4}
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