The Graco 109318 V‑Packing; Piston; PTFE is a durable replacement seal designed for precise piston performance in compatible Graco pumps. Key features include:
This page describes the genuine OEM piston packing part 109318 manufactured for certain displacement pump assemblies from Graco Inc. Use this information to verify compatibility before maintenance or replacement.
The part 109318 V-Packing; piston; PTFE is a piston sealing element designed for displacement pump fluid ends and is specified for the piston packing stack of Graco 241648 Series A pumps.
When servicing pump packings, always verify model number, series version, and packing material. Incorrect packing selection may cause leakage, pressure instability, or premature wear.
| Specification | Details |
|---|---|
| Material | Carbon-filled PTFE V-packing for piston sealing in water-based applications (≤60°C guideline) |
| Installation Location | Piston packing stack in the fluid section of displacement pumps |
| Quantity per Pump Cylinder | 2 pieces per cylinder for Graco 241648 Series A pump configuration |
| Torque Guideline | Packing-nut torque should be approximately 27–40 N·m (20–30 ft-lb) |
Although part 109318 is confirmed for Graco 241648 Series A displacement pump, other pump variants may require UHMWPE, nitrile, or different PTFE formulations depending on fluid chemistry and operating temperature.
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