The GRACO DB2961 Husky 1590 is a 1-1/2" NPT standard air-operated double diaphragm pump with a polypropylene body, aluminum center section, polypropylene seats, Santoprene balls, and PTFE diaphragm. It is designed for industrial fluid transfer applications, offering robust performance and chemical resistance.

Key Features:

• Air-operated double diaphragm pump
• Husky 1590, 1-1/2" NPT
• Polypropylene body, aluminum center section, polypropylene seats, Santoprene balls, PTFE diaphragm
• Maximum flow rate: 100 gpm (378.5 lpm)
• Maximum discharge pressure: 120 psi (8.4 bar, 0.84 MPa)
• Compatible with a wide range of industrial fluids including chemicals, water, and wastewater
• Patented, high-reliability closed center air valve
• Online serviceable air valve and ball checks
• Epoxy-coated air section for tough environments
• Lube-free operation
• Up to 5 times longer diaphragm life compared to similar pumps
• Fewer parts for easier maintenance
• Externally accessible air valve for quick servicing

Applications:
Industrial fluid transfer, chemical processing, water and wastewater handling, compatible with asphalt sealer, antifreeze, detergents, motor oil, hydraulic fluid, cutting oil, and more

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
• Regularly inspect and maintain air valve and diaphragm for optimal performance
• Follow manufacturer guidelines for maximum operating temperature and pressure limits