The GRACO 189440 SEAL, PISTON is a replacement piston seal designed for use in GRACO pumps and fluid handling equipment. Its material is not specified in available sources, but it is intended to maintain pressure integrity and prevent leakage within the piston assembly of GRACO systems.

Key Features:

• Piston Seal
• Maintains pressure integrity
• Prevents leakage in piston assemblies
• Replacement part for maintenance and repair

Applications:
Used in GRACO pumps and fluid handling systems for lubrication, maintenance, and industrial fluid transfer applications.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and safety of the equipment.
• Ensure the equipment is depressurized and isolated before installation
• Clean the piston and seal area thoroughly before fitting the new seal
• Follow the manufacturer’s recommended installation procedure for best results
• Inspect for wear or damage on related components during replacement
• Regularly inspect seals for wear or damage
• Replace seals as part of routine maintenance to prevent leaks and downtime
• Use only genuine GRACO replacement parts for compatibility and reliability