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Regularly inspect the base for structural integrity
Modular design allows quick change of valve sections without disturbing lube lines
Inspect the seat for damage or wear before installation
and other demanding fluid handling tasks within GRACO equipment
which are common for o-rings
GRACO SEAL, PISTON, 12:1 - (SKU: 188178) Regularly inspect the base forThe 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
