The GRACO 106559 is a packing O-ring made from Viton, designed for use in GRACO 2K Ultra-Lite Dispense Valve guns and other compatible equipment. It serves as a critical sealing component to prevent leaks and ensure reliable operation in fluid dispensing systems.

Key Features:

• Packing O-Ring
• No. 905 Viton
• Viton (Fluoroelastomer)
• GRACO 2K Ultra-Lite Dispense Valve guns and other compatible GRACO equipment
• Ease of maintenance: Quick and straightforward replacement
• Reliability: High-quality Viton material for chemical and temperature resistance
• Duty cycle: Suitable for regular maintenance cycles in industrial applications

Applications:
Used in GRACO 2K Ultra-Lite Dispense Valve guns and other compatible GRACO fluid dispensing systems for sealing and preventing leaks during operation.

Installation Notes:

• Using genuine GRACO O-rings ensures proper fit, sealing, and longevity of the equipment, reducing downtime and maintenance costs.
• Ensure the equipment is depressurized before replacing the O-ring.
• Clean the seating area thoroughly before installing the new O-ring.
• Follow torque specifications for reassembly (e.g., nosepiece screws to 15–20 in-lbs as per manual).
• Cycle the valve several times after installation to seat the components properly.
• Regularly inspect O-rings for wear or damage.
• Replace O-rings as part of routine maintenance or at the first sign of leakage.
• Use only compatible lubricants if required by the manual.