The GRACO DB3321 Husky 1590 is an air-operated double diaphragm pump with an aluminum center section, stainless steel seats, acetal balls, and PTFE diaphragm. It is designed for industrial fluid transfer applications, offering robust performance and compatibility with a wide range of fluids.

Key Features:

• Air-operated double diaphragm pump
• Husky 1590, 1-1/2" NPT
• Aluminum center section, stainless steel seats, acetal balls, PTFE diaphragm
• 100 gpm (378.5 lpm)
• 120 psi (8.4 bar, 0.84 MPa)
• Industrial fluids (e.g., chemicals, oils, water, wastewater, detergents, antifreeze, asphalt sealer)
• Patented, high-reliability closed center air valve (online serviceable)
• Epoxy-coated air section for tough environmental conditions
• Lube-free operation
• Easy-to-service air valve and ball checks
• Compact, portable size

Applications:
Industrial fluid transfer, including chemicals, oils, water, wastewater, detergents, antifreeze, and asphalt sealer

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and compatibility with existing equipment.
• Ensure proper alignment and secure mounting of the pump
• Use appropriate thread sealant for NPT connections
• Check for leaks after installation
• Follow manufacturer’s guidelines for diaphragm and ball replacement intervals
• Regularly inspect and maintain air valve and ball checks for optimal operation