The GRACO 25U421 Kit is a fluid connection kit designed for use with GRACO ProMix PD proportioner platforms. It is intended to facilitate the connection of lubrication or other fluids to the system, specifically for the automatic dispensing of Throat Seal Lubricant (TSL) in professional spray equipment. The kit includes fittings and components necessary for secure, reliable fluid transfer within the equipment.

Key Features:

• Fluid connection kit
• 25U421
• GRACO ProMix PD proportioner platforms, specifically for CSP (Compact Series Progressive) valve outlet connections
• Includes PTC fittings for secure connection
• Designed for use with clamping rings to ensure proper proportioning and prevent leaks
• Reliable for professional, high-duty-cycle applications

Applications:
Used for connecting lubrication or other fluids to GRACO ProMix PD proportioner platforms, enabling automatic dispensing of Throat Seal Lubricant (TSL) in industrial and professional spray equipment.

Installation Notes:

• Using genuine GRACO parts ensures proper fit, function, and safety. Non-genuine or incorrect fittings may cause improper proportioning, leaks, or system failure.
• Always use GRACO CSP valve outlet fittings with clamping rings as specified in the kit
• Follow the equipment manual for correct installation procedures
• Ensure all connections are secure before operating the system
• Regularly inspect fittings and connections for wear or leaks
• Replace worn or damaged components promptly
• Use only recommended lubricants and fluids