GRACO Piston Seal - (SKU: 181978)The 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

The GRACO Husky 3300 is an air-operated double diaphragm pump made with an aluminum body and aluminum center section

Combines UHMWPE for chemical and wear resistance with leather for sealing

ensuring continued performance and reliability in industrial and commercial settings

Ensure all connections are secure and use compatible Tri-Clamp fittings

GRACO standard series equipment (specific models not detailed)

Patented cup and plate design (in LD Series) eliminates O-rings for increased durability

Ensure the fluid filter is installed and maintained for optimal performance

The system is equipped with a 10-inch fine drum cutter and a 13 HP Honda engine for efficient material removal and surface preparation

• Provides a reliable seal for solenoid and manifold interfaces • Essential for preventing leaks and maintaining system integrity • Designed for ease of replacement and maintenance

and specialized spray processes

Check wind deflector alignment for optimal bead placement

Up to 4000 psi