The GRACO DB4GGG is a stainless steel (SS) air-operated double diaphragm pump with a 1-1/2 in. (38.1 mm) NPT standard port, featuring an aluminum center section, GE seats, GE balls, and GE diaphragm. It is designed for reliable, robust fluid transfer in demanding industrial environments.

Key Features:

• Air-operated double diaphragm pump
• Husky 1590, 1-1/2 in. (38.1 mm) NPT
• Stainless steel (SS) wetted parts, aluminum center section, GE (likely GRACO Engineered) seats, balls, and diaphragm
• Maximum free flow delivery: 100 gpm (378.5 lpm)
• Maximum fluid working pressure: 120 psi (8.4 bar, 0.84 MPa)
• Designed for use with a wide range of fluids and slurries; compatible with various GRACO equipment and systems
• Patented, high-reliability closed center air valve that is online serviceable
• Epoxy-coated air section for tough environmental conditions
• Up to 5 times longer diaphragm life compared to other air-operated diaphragm pumps in its class
• Expanded material offering to handle endless applications
• Fewer parts than industry peers; air valve is externally accessible for quick service without uninstalling the pump
• No seals to leak or fail
• Quiet running (less than 85 dBa) with remote muffler capability
• Easy-to-service air valve and ball checks

Applications:
Ideal for transferring a wide range of fluids and slurries in industrial, mining, chemical, and agricultural applications. Suitable for use in harsh environments and with abrasive or corrosive materials.

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 piping and fittings for the intended fluid and pressure
• Follow all safety guidelines and local regulations during installation
• Regularly inspect and maintain the pump, especially the air valve and diaphragm, for optimal performance
• Consult the equipment manual for specific installation and maintenance procedures