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Graco 17S426 Seal, Double Lip, Spring, Uhmwpe

$158.50
In Stock
Part #: 17S426

UHMWPE double-lip spring seal designed to maintain stable pressure and prevent fluid leakage in Graco airless spray pump assemblies.

  • Material: UHMWPE for high abrasion and chemical resistance
  • Design: Double lip with integrated spring for consistent sealing force
  • Application: Fits Graco pump systems using 17S426 seal configuration
  • Function: Reduces leakage and supports efficient high-pressure operation
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High-Performance UHMWPE Double Lip Spring Seal for Graco Pump Systems

Compatible Machines

Category Compatibility Details
Airless Paint Sprayers Compatible with select Graco airless sprayer systems that utilize the 17S426 seal assembly in the pump fluid section.
High-Pressure Pump Units Used in Graco piston pump assemblies requiring UHMWPE double lip sealing technology for fluid containment and durability.
Industrial Coating Equipment Suitable for industrial-grade coating and painting machines where chemical resistance and spring-loaded sealing performance are required.

What is the Graco 17S426 Seal, Double Lip, Spring, UHMWPE?

The Graco 17S426 Seal, Double Lip, Spring, UHMWPE is a precision-engineered sealing component designed for high-pressure fluid handling systems used in professional spray equipment. It is manufactured using UHMWPE (Ultra-High Molecular Weight Polyethylene), a material known for its exceptional wear resistance, low friction properties, and chemical compatibility.

This seal features a double-lip design that enhances fluid containment and reduces leakage under demanding operating conditions. The integrated spring reinforcement ensures consistent sealing pressure, improving performance and extending the service life of pump components in continuous-duty applications.

It is commonly used in Graco pump assemblies where reliability, pressure stability, and resistance to abrasive coatings or chemicals are critical.

Frequently Asked Questions

It provides a tight, low-friction seal within Graco pump systems, preventing fluid leakage while maintaining pressure stability during spraying operations.

UHMWPE is chosen for its excellent abrasion resistance, chemical stability, and low friction, making it ideal for high-pressure industrial spray applications.

Replacement is recommended when signs of wear, leakage, pressure loss, or reduced spray performance are observed in the pump system.

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