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Graco 18B719 Seal, Triple Lip, .787, Uhmw, Hw

Triple-lip UHMW sealing component engineered for high-pressure Graco pump assemblies, maintaining reliable fluid sealing and reducing wear during continuous spray operation.

  • OEM part number: 18B719
  • 0.787" precision seal dimension
  • UHMW construction for low friction and durability
  • Triple-lip design for improved sealing performance
  • Used in Graco high-pressure fluid section assemblies

$169.5
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High-Pressure UHMW Triple-Lip Pump Seal Assembly

Compatible Machines

Equipment Type Compatibility Details
Graco Airless Sprayers Used in select high-pressure fluid pump assemblies requiring .787 UHMW sealing components
Graco Pump Repair Kits Compatible with internal fluid section rebuild kits using triple-lip seal design
Industrial Spray Systems Suitable for heavy-duty hydraulic and coating applications with UHMW wear requirements
Graco Fluid Section Assemblies Fits assemblies designed for 0.787-inch precision seal dimensions

What is Graco 18B719 Seal, Triple Lip, .787, UHMW, HW?

The 18B719 Seal, Triple Lip, .787, UHMW, HW is a precision-engineered fluid sealing component designed for high-pressure Graco pump systems. It uses a triple-lip configuration to maintain consistent sealing performance under demanding spray and coating operations.

Manufactured from UHMW (Ultra-High Molecular Weight) material, the seal provides strong wear resistance and reduced friction, helping extend pump life and maintain stable pressure output in industrial spraying environments.

Key Features

  • Triple-lip design for enhanced sealing efficiency
  • UHMW construction for high wear and chemical resistance
  • 0.787-inch precision sizing for compatible pump assemblies
  • Supports high-pressure fluid system performance
  • Designed for industrial-grade Graco spray equipment rebuilds

Frequently Asked Questions

It provides a secure sealing interface in high-pressure pump assemblies, helping maintain fluid pressure and reduce leakage in spray systems.

UHMW material offers excellent abrasion resistance and low friction, improving durability in demanding industrial pumping applications.

It is installed in the fluid section of compatible Graco pump assemblies where precise sealing is required for high-pressure operation.

Replacement is recommended when pressure loss, leakage, or wear is detected during pump maintenance or rebuild procedures.

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