The GRACO DU2311 Husky 1590 is an air-operated double diaphragm pump featuring a polypropylene fluid section, aluminum center section, stainless steel seats, PTFE balls, and PTFE diaphragm. It is designed for high-flow, reliable transfer of a wide range of industrial fluids, including aggressive chemicals, in demanding environments.

Key Features:

• Air-operated double diaphragm pump
• Husky 1590, 1-1/2" NPT
• Polypropylene fluid section, aluminum center section, stainless steel seats, PTFE balls, PTFE diaphragm
• 100 gpm (378.5 lpm)
• 120 psi (8.4 bar, 0.84 MPa)
• Compatible with a wide range of industrial fluids, including aggressive chemicals, water, wastewater, detergents, and more
• 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
• Fewer parts than industry peers, externally accessible air valve for quick service
• Up to 5 times longer diaphragm life compared to other air-operated diaphragm pumps in its class

Applications:
Industrial fluid transfer, chemical processing, water and wastewater transfer, mining, agriculture, and other demanding environments requiring reliable, high-flow pumping of aggressive or abrasive fluids.

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 to prevent vibration and leaks
• Use appropriate thread sealant for NPT connections
• Check for correct air supply and pressure settings before operation
• Regularly inspect and maintain the air valve and ball checks for optimal performance
• Follow all safety guidelines and local regulations during installation and maintenance