The GRACO DB3416 is an air-operated double diaphragm pump with an aluminum center section, hardened stainless steel seats, PTFE balls, and Santoprene diaphragm. It is designed for high-flow, high-pressure fluid transfer in industrial applications, offering robust performance and easy maintenance.

Key Features:

• Air-operated double diaphragm pump
• Husky 1590, 1-1/2" NPT
• Aluminum center section, hardened stainless steel seats, PTFE balls, Santoprene diaphragm
• Maximum free flow delivery: 100 gpm (378.5 lpm)
• Maximum fluid working pressure: 120 psi (8.4 bar, 0.84 MPa)
• Compatible with a wide range of industrial fluids; suitable for use with various GRACO equipment and systems
• Patented, high-reliability closed center air valve
• Online serviceable air valve and ball checks
• Epoxy-coated air section for tough environmental conditions
• Lube-free operation
• Compact, portable size
• Easy-to-service design

Applications:
Ideal for transferring fluids in industrial, mining, agricultural, and manufacturing environments. Suitable for handling abrasive, viscous, or corrosive liquids.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and safety. Non-genuine parts may compromise pump efficiency and longevity.
• Ensure proper alignment and secure mounting of the pump
• Use appropriate thread sealant for NPT connections
• Follow recommended torque specifications for assembly
• Regularly inspect and maintain diaphragms, balls, and seats for wear
• Refer to the pump’s serial plate for model identification and part ordering
• Perform routine maintenance as outlined in the manual
• Check for leaks and ensure all connections are tight
• Replace worn components with genuine GRACO parts
• Consult the manual for specific installation and maintenance procedures