GRACO CST321 FRP RS Chop Tip, Spray, 321 - (SKU: CST321)The GRACO CST321 is a composite spray tip designed for use with FRP (Fiber Reinforced Plastic) chop guns, such as the RS series. It is intended to deliver a controlled spray pattern for applying polyester resin and gel coat in open mold fiberglass applications. The tip is constructed for compatibility with GRACOs RS chop gun systems. Key Features: Composite Spray Tip CST321 (321 pattern code) GRACO RS Chop Gun, FRP (Fiber Reinforced Plastic) systems

allowing for easy addition or subtraction of lube points without system redesign

Check for correct model compatibility before installation

Replace if button becomes difficult to operate or shows signs of wear

Indexing air cap for accurate spray positioning

and WWS (water wash solutions) applications

Suitable for users seeking to reduce energy costs and maintenance requirements

Ensure all components are clean and properly lubricated before assembly

• Always follow GRACO’s recommended procedures for compressor disassembly and reassembly

corrosion-resistant spring is required for tensioning or mechanical actuation

and equipment servicing applications where flexible

but similar GRACO Super Zip tips are typically constructed with tungsten carbide for durability

Refer to the installation manual for detailed step-by-step instructions