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  • Graco CST621 0.021 in Orifice RS Airless Spray Gun Tip with 12 in Pattern Width
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Graco CST621 0.021 in Orifice RS Airless Spray Gun Tip with 12 in Pattern Width

The Graco CST621 RS Airless Spray Tip is built for spraying gel coat and resin with precision, delivering a wide and consistent pattern for industrial applications.

  • Orifice Size: 0.021 inch
  • Fan Pattern: 12 inches
  • Tip Code: 621
  • Application: Gel coat, resin, fiberglass
  • Compatibility: RS spray systems only

$155
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Compatible Machines

The Graco CST621 0.021 in Orifice RS Airless Spray Gun Tip is specifically designed for specialised RS spray systems used in fiberglass and resin applications.

  • Graco RS Spray Guns
  • Graco FRP (Fiberglass Reinforced Plastic) Spray Systems
  • Gel Coat Spray Equipment
  • Resin Application Systems
  • Air-Assisted Airless (AAA) RS Systems
  • Impingement Mix Spray Systems

Note: This tip is not compatible with standard contractor airless sprayers or RAC X style spray guns.

Product Description

The Graco CST621 RS Airless Spray Tip is engineered for high-performance spraying of thicker materials such as gel coat and resin. With a 0.021-inch orifice and a 12-inch fan pattern, it delivers consistent coverage and efficient material flow for industrial applications.

This RS tip allows operators to optimise spray performance across various FRP systems, ensuring smooth finishes and controlled output in demanding environments.

Key Features

Orifice Size 0.021 inch
Fan Pattern Width 12 inches
Tip Code 621
Application Type Gel Coat, Resin, Fiberglass (FRP)
System Type RS Airless / Air-Assisted Airless
Usage Industrial Coating Applications

Benefits

  • Provides a wide and even 12-inch spray pattern
  • Handles thicker materials with the 0.021 orifice size
  • Improves efficiency in large-scale coating applications
  • Ensures consistent finish quality in FRP systems
  • Designed for durability in demanding industrial environments

Frequently Asked Questions

The 621 tip indicates a 12-inch fan width (6 × 2) and a 0.021-inch orifice size for material flow.

No, the Graco CST621 RS Airless Spray Tip is designed only for RS spray systems and is not compatible with standard contractor sprayers.

It is ideal for spraying gel coat, polyester resin, and other fiberglass-related materials.

This tip is designed for medium to heavy coatings, making it more suitable for coverage and industrial use rather than fine finishing.

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