The GRACO 551190 is a U-cup seal made from polyurethane, designed to provide reliable sealing in hydraulic or pneumatic systems within GRACO equipment. Its primary function is to prevent fluid leakage and maintain system integrity.

Key Features:

• U-cup seal
• 1/4, 1/2, 1 (inch sizes)
• Polyurethane
• GRACO equipment (general spare part)
• High-quality sealing performance
• Durable polyurethane construction
• Suitable for general maintenance and replacement

Applications:
Used in hydraulic or pneumatic systems of GRACO equipment for sealing applications, ensuring leak-free operation and system reliability.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, compatibility, and longevity of the equipment.
• Ensure the system is depressurized before installation.
• Clean the sealing area thoroughly to prevent contamination.
• Inspect the seal for damage before installation.
• Follow GRACO equipment manual for specific installation procedures.
• Regularly inspect seals for wear or damage.
• Replace seals during scheduled maintenance or at the first sign of leakage.
• Use only compatible and genuine GRACO replacement parts.