The Graco 236578 Packing Nut is a genuine replacement part used to secure pump packings and maintain a proper seal in high-pressure spray pump assemblies.
The Graco 236578 Packing Nut is a genuine Graco replacement component designed for use in heavy-duty airless spray pump assemblies. It plays a critical role in securing the internal pump packings, helping maintain proper sealing and consistent pressure during operation.
This packing nut is commonly installed in the lower pump section where it compresses the packings around the piston or rod, reducing fluid leakage and extending overall pump life in demanding industrial applications.
The Graco 236578 Packing Nut is used in professional and industrial spray environments, including commercial painting, protective coatings, and material transfer systems. Built to withstand continuous operation, it is suitable for high-pressure airless pumps where durability and reliability are essential.
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