The GRACO 21668-01 is a gun assembly designed for the Spartan 2 system, engineered for heavy-duty performance and intended for use with polyester resin and gel-coat in RTM (Resin Transfer Molding) injection systems. It is constructed for durability and reliability in demanding industrial environments.

Key Features:

• Gun Assembly
• Spartan 2
• Heavy-duty, engineered for lasting performance
• Maximum fluid working pressure: 1300 psi (9 MPa, 90 bar); Maximum air pressure: 100 psi (0.7 MPa, 7 bar)
• For use with GRACO Spartan 2 RTM injection systems and compatible with polyester resin and gel-coat
• Engineered for heavy-duty, lasting performance
• Personalized setup and installation support available
• Designed for consistent and continual operation in industrial settings
• Reliable and easy to maintain

Applications:
Used in RTM injection systems for processing polyester resin and gel-coat, suitable for industrial manufacturing and composite material applications.

Installation Notes:

• Using genuine GRACO parts ensures compatibility, safety, and optimal performance of the equipment.
• Ensure all connections are secure before operating the unit
• Use a clean, dry air supply and attach a 3/8” or larger air hose to the air inlet; avoid quick disconnect fittings as they can limit air flow
• Attach grounding clamp assembly to the system for safety
• Relieve pressure before disassembling the dispense valve
• Check hoses and parts for signs of damage and replace as necessary
• Always engage the trigger lock when not spraying and verify its function
• Follow shutdown and pressure relief procedures before maintenance
• Flush gun head with solvent and air purge thoroughly after use
• Regularly inspect for leaks and wear
• Refer to the specific user manual for detailed maintenance instructions