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Avoid running the pump dry to prevent damage to diaphragms and seals
Ensure proper air supply (20–150 psi recommended for operation)
Designed to withstand heavy-duty use
Follow GRACO’s recommended procedures for injector and spacer installation
GRACO Piston Seal - (SKU: 181978) Avoid running the pump dryThe GRACO 181978 is a piston seal made from UHMWPE (Ultra High Molecular Weight Polyethylene), designed to provide a reliable sealing solution within GRACO air powered Glutton pumps. Its primary function is to prevent fluid leakage and maintain pressure integrity between moving parts in the pump assembly. Key Features: Piston Seal UHMWPE (Ultra High Molecular Weight Polyethylene) Designed for use in GRACO air powered Glutton pumps High wear resistance
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