Graco 117158 O-Ring Nitrile

Compatible Machines & Specifications

Product Overview

The Graco 117158 O-Ring Nitrile is engineered for high-pressure fluid systems, providing reliable sealing, chemical resistance, and long-term durability. Ideal for airless sprayer maintenance, it ensures leak-free performance under demanding conditions.

• Material: High-purity nitrile (Buna-N), Shore A 70
• Inner Diameter: 24.3 mm | Cross-section Width: 2.62 mm
• Temperature Range: -30°C to 120°C
• Precision molded with ±0.005 mm dimensional tolerance
• Resistant to oils, solvents, and abrasive particulates

Key Benefits

• Maintains seal integrity in high-pressure pumps and valves
• Reduces leakage and extrusion under dynamic loading
• Compatible with multiple Graco OEM and aftermarket systems
• Low gas permeability and minimal swelling for consistent operation
• Supports long service life with over 10 million reciprocating cycles

Installation & Maintenance

• Use silicone-based or fluorinated grease during installation
• Ensure gland surfaces are clean and free from burrs or particles
• Maintain recommended compression levels (75%-85% of O-Ring cross-section)
• Inspect regularly for nicks, extrusion, or material hardening
• Replace as part of pump overhaul or when wear is observed

Frequently Asked Questions