GRACO Piston Seal (188257 SEAL, PISTON) - (SKU: 188257) Used for repairing and maintaining

Used for repairing and maintaining the piston sealing function in GRACO pumps and fluid handling equipment

Securely seals oil reservoir

Reset indicator pin and replace rupture disc after each activation

16 gpm (61 lpm)

Inspect and maintain diaphragms and valves regularly for best performance

GRACO Piston Seal (188257 SEAL, PISTON) - (SKU: 188257) Used for repairing and maintainingThe GRACO 188257 SEAL, PISTON is a replacement piston seal designed for use in specific GRACO pumps, such as the 235540 model. It is a critical sealing component that ensures proper operation and prevents fluid leakage within the pump assembly. The material is not specified in available documentation, but it is engineered for durability and compatibility with industrial fluids. Key Features: Piston Seal Designed for use in GRACO pump model 235540