The GRACO 16X421 is a displacement pump designed as a replacement fluid section for the TexSpray Mark V and 5900 HD ProContractor series. It is constructed with wetted parts made from stainless steel and PTFE, ensuring durability and chemical resistance. This pump is intended for use in high-pressure spray systems, specifically for transferring and spraying fluids in industrial and commercial applications.

Key Features:

• Displacement pump
• 16X421
• Stainless steel, PTFE (wetted parts)
• TexSpray Mark V, 5900 HD ProContractor series
• Designed for reliability and long service life
• Ease of maintenance and replacement
• Suitable for demanding industrial environments

Applications:
Used in high-pressure spray systems for industrial and commercial fluid transfer and spraying applications, such as lubrication, sealant, and coating operations.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, safety, and compatibility with your equipment.
• Ensure all system components are properly grounded for safety
• Follow manufacturer torque specifications for assembly (e.g., packing nut torque: 100 ± 10 in-lb/11.3 ± 1.1 N•m for similar models)
• Regularly inspect and maintain pump packings to prevent leaks and extend service life
• Replace o-rings and packings as needed to maintain performance
• Monitor for leaks and address promptly
• Use only recommended replacement parts
• Consult the equipment manual for detailed maintenance procedures