The GRACO DB3347 is an air-operated double diaphragm pump with an aluminum center section, stainless steel seats, hardened stainless steel balls, and a Buna-N diaphragm. It is designed for high-flow, reliable fluid transfer in demanding industrial environments.

Key Features:

• Air-Operated Double Diaphragm Pump
• Husky 1590, 1-1/2" NPT
• Aluminum center section, stainless steel seats, hardened stainless steel balls, Buna-N diaphragm
• 100 gpm (378.5 lpm)
• 120 psi (8.4 bar, 0.84 MPa)
• High flow in a compact, portable size
• Lube-free operation
• Epoxy-coated air section for tough environmental conditions
• Available with standard and remote air valve options
• Maximum pumpable solids: 0.19 in

Applications:
Ideal for transferring a wide range of fluids, including those with small solids, in industries such as mining, agriculture, chemical processing, and general industrial maintenance.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and compatibility with existing equipment.
• Ensure proper alignment of inlet and outlet connections
• Use appropriate thread sealant for NPT connections
• Check for leaks after installation
• Follow manufacturer guidelines for air supply and pressure settings
• Regularly inspect diaphragms and seals for wear
• Perform routine maintenance as recommended by GRACO
• Replace worn components with genuine parts
• Keep air supply clean and dry
• Monitor pump performance for early detection of issues