The GRACO DB3466 is an air-operated double diaphragm pump with an aluminum center section, hardened stainless steel seats, and Santoprene balls and diaphragm. It is designed for high-flow, reliable fluid transfer in industrial applications, offering robust construction and easy maintenance.

Key Features:

• Air-operated double diaphragm pump
• Husky 1590, 1-1/2" NPT
• Aluminum center section, hardened stainless steel seats, Santoprene balls and diaphragm
• 100 gpm (378.5 lpm)
• 120 psi (8.4 bar, 0.84 MPa)
• Compatible with a wide range of industrial fluids; suitable for use with GRACO Husky 1590 series equipment
• High-reliability closed center air valve (online serviceable)
• Epoxy-coated air section for tough environments
• Lube-free operation
• Externally accessible air valve for easy maintenance
• Fewer parts than industry peers
• Up to 5 times longer diaphragm life compared to similar pumps

Applications:
Industrial fluid transfer, chemical processing, mining, agriculture, and other demanding environments requiring robust, high-flow diaphragm pumps.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and safety. Non-genuine parts may compromise pump efficiency and longevity.
• Ensure proper alignment of inlet and outlet connections (1-1/2" NPT)
• Check for correct air supply and pressure (up to 120 psi)
• Inspect and clean all components before installation
• Follow manufacturer guidelines for diaphragm and ball replacement
• Regularly inspect air valve and seals for wear
• Perform routine checks on diaphragm, balls, and seats
• Keep air section clean and free of debris
• Use only recommended replacement parts
• Monitor for leaks and unusual noise during operation