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Graco 288190 Needle Assembly Kit SST/Delrin

Genuine Graco 288190 SST/Delrin needle assembly designed for precise fluid control and clean shut-off in compatible air-assist spray guns.

  • Stainless steel needle with durable Delrin seat
  • Ensures smooth material flow and consistent spray pattern
  • Suitable for low-viscosity and acid-catalyzed coatings
  • OEM replacement for exact fit and reliable performance

$236.94
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Compatible Machines

  • Graco PerformAA Auto Air Assist Spray Gun (Model 26B572)

Graco 288190 Needle Assembly Kit SST/Delrin

The Graco 288190 Needle Assembly Kit SST/Delrin is a genuine Graco replacement fluid needle designed for precision control in professional air-assist and automatic spray guns. It features a corrosion-resistant stainless steel (SST) needle combined with a durable Delrin seat, ensuring smooth material flow, accurate shut-off, and long service life when spraying low-viscosity and chemically aggressive coatings.

Feature Details
Part Number 288190
Component Type Fluid Needle Assembly
Needle Material Stainless Steel (SST)
Seat Material Delrin
Function Controls fluid flow and shut-off at the spray gun tip
Typical Applications Low-viscosity coatings, acid-catalyzed materials, industrial and automotive finishing

Key Benefits

  • Precise fluid control for consistent spray patterns
  • High wear and chemical resistance due to SST and Delrin construction
  • Reliable sealing to prevent dripping and material backflow
  • OEM Graco part for exact fit and performance

Frequently Asked Questions

It regulates the opening and closing of the fluid passage in the spray gun, allowing accurate control of coating flow and clean shut-off.

Stainless steel provides corrosion resistance and strength, while Delrin offers low friction and excellent chemical compatibility for smooth, reliable operation.

Yes, this is an OEM Graco needle assembly manufactured to meet original performance and fit specifications.

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