The Graco 25D234 Full Pump Seal Repair Kit is designed to rebuild and restore the lower pump section of Graco airless sprayers using 145cc lower assemblies. It helps maintain proper pressure, prevents leaks, and extends pump life in demanding applications.
The Graco 25D234 Full Pump Seal Repair Kit is a complete lower-pump rebuild solution designed for Graco airless spray systems that use 145cc lower pump assemblies. This kit restores sealing performance, maintains consistent pressure, and helps extend the service life of professional spray equipment operating under high pressure and heavy-duty conditions.
This full pump seal repair kit is used to rebuild the lower section of the pump, which is responsible for material displacement and pressure generation. Over time, seals and packings wear due to friction, pressure, and abrasive coatings. Replacing them with the correct kit helps eliminate leaks, pressure drop, and inconsistent spray patterns.
| Application | Lower pump seal rebuild |
|---|---|
| Pump Size Compatibility | 145cc lower assemblies |
| Packing Material | UHMWPE & leather packings |
| Performance Benefit | Restores pressure, improves sealing, reduces leakage |
| Typical Use | Preventive maintenance or full lower pump rebuild |
Using a repair kit specifically designed for 145cc lowers ensures proper fit, reliable sealing, and long-term durability. Incorrect or mismatched seals can lead to premature failure, material bypass, and unnecessary downtime.
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