The GRACO 161792 Back-Up Ring is a replacement part designed for use in GRACO T1 2:1 Ratio Transfer Pumps. It is typically made from durable materials suitable for high-pressure fluid transfer applications, though the specific material is not specified in available sources. Its primary function is to provide a secure seal and support within the pump assembly, ensuring reliable operation and preventing leaks.

Key Features:

• Back-Up Ring
• 161792 (1.35 x 1.75 in)
• GRACO T1 2:1 Ratio Transfer Pump
• Designed for reliable sealing and support in pump assemblies
• Compact and lightweight (approx. 0.045 lbs)
• Easy to install and replace as part of routine maintenance

Applications:
Used in GRACO T1 2:1 Ratio Transfer Pumps for fluid transfer applications, particularly in spray foam and lubrication systems.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, compatibility, and longevity of the equipment.
• Always refer to the equipment manual for specific installation instructions.
• Ensure the pump is depressurized and isolated before replacing the back-up ring.
• Inspect the ring and mating surfaces for wear or damage prior to installation.
• Follow all safety procedures when servicing high-pressure equipment.