GRACO Upper Fluid Piston, 5 in. - (SKU: 17R427) Used in GRACO spray foam

Used in GRACO spray foam and fluid handling systems for industrial and commercial applications

Regularly check for wear or damage

ATEX rated (as available in some configurations

Ensure the equipment is depressurized and safe to work on before replacing the packing block

Ensure the pump is depressurized and the piston rod is in the lowest position before servicing

GRACO Upper Fluid Piston, 5 in. - (SKU: 17R427) Used in GRACO spray foamThe GRACO 17R427 is an upper fluid piston designed for use with GRACO T3 transfer pumps. It is a critical component that facilitates the movement of fluid within the pump assembly. The material is not explicitly specified in available sources, but it is intended for use with non flammable materials such as polyurethane foam and polyurea in professional equipment. Its primary function is to ensure reliable fluid transfer in industrial applications. Key