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Graco 109259 Packing Vee Uhmwpe

The Graco 109259 Packing Vee UHMWPE is a high-performance throat seal engineered for durability and precision in Graco airless sprayers.

  • Material: UHMWPE for superior wear resistance
  • Use: Throat or piston seal for Graco pumps
  • Compatible Models: President 30:1, Monark, Check-Mate
  • Resists: Abrasive coatings, solvents, and chemicals

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Graco 109259 Packing Vee UHMWPE – Precision Seal for Airless Sprayers

Compatible Machines

  • Graco President 30:1 Pump
  • Graco Monark Pump Series
  • Graco Check-Mate Pump Series
  • Graco Merkur and similar high-pressure airless sprayers

Product Overview

The Graco 109259 Packing Vee UHMWPE is a precision-engineered V-shaped throat seal designed for airless sprayer pumps. Made from Ultra-High-Molecular-Weight Polyethylene (UHMWPE), it delivers exceptional wear resistance, low friction, and consistent sealing performance under high pressure. Ideal for industrial coatings, adhesives, and paint systems, it ensures long service life and minimal fluid leakage.

Key Features

  • Durable UHMWPE construction for extended service life
  • Precision throat seal minimizes fluid bypass and leakage
  • High-pressure resistance suitable for up to 4000 psi applications
  • Quick maintenance with Graco’s quick-change design
  • Excellent chemical resistance against solvents and coatings

Specifications

Property Value
Material UHMWPE (Ultra-High-Molecular-Weight Polyethylene)
Height 0.25 in (0.635 cm)
Width 2.00 in (5.08 cm)
Length 2.00 in (5.08 cm)
Max Pressure Up to 4000 psi

Applications

  • High-pressure airless paint sprayers
  • Industrial coating systems
  • Adhesive and sealant dispensing equipment
  • Fluid transfer and metering assemblies

Frequently Asked Questions

UHMWPE stands for Ultra-High-Molecular-Weight Polyethylene. It’s a high-performance plastic with excellent wear resistance, low friction, and chemical stability, making it ideal for high-pressure pump seals that handle abrasive coatings and solvents.

Replacement intervals depend on the pump’s duty cycle and the abrasiveness of the sprayed material. Generally, inspect the packing during scheduled maintenance and replace when signs of leakage, deformation, or excessive wear appear.

The Graco 109259 Packing Vee UHMWPE fits specific models such as the President 30:1, Monark, and Check-Mate series. Always confirm your sprayer’s manual for part compatibility before ordering.

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