GRACO SEAL, PISTON, 12:1 - (SKU: 188178) Modular design allows quick change

Modular design allows quick change of valve sections without disturbing lube lines

Regularly inspect the base for structural integrity

Inspect the seat for damage or wear before installation

Check for correct porting (1" NPT) and connection to existing piping

The GRACO 208610 is a coupled hose designed for air or water applications

GRACO SEAL, PISTON, 12:1 - (SKU: 188178) Modular design allows quick changeThe GRACO 188178 SEAL, PISTON, 12: 1 is a replacement piston seal designed for use in GRACO equipment, specifically for 12: 1 ratio piston pumps. The material is not specified in available listings, but similar GRACO piston seals are typically made from durable materials such as acetal, PTFE, nitrile, or UHMWPE for high pressure and sanitary applications. Its intended function is to ensure a reliable seal within the piston assembly, maintaining pump