The GRACO DU2977 Husky 1590 is an air-operated double diaphragm pump designed for high-flow, heavy-duty industrial applications. It features a stainless steel center section, polypropylene seats, and Buna-N balls and diaphragm, making it suitable for handling a wide range of fluids, including corrosive and abrasive materials. This pump is intended for use in demanding environments such as chemical processing, mining, and wastewater management.

Key Features:

• Air-operated double diaphragm pump
• Husky 1590, 1-1/2" NPT
• Stainless steel center section, polypropylene seats, Buna-N balls and diaphragm
• 100 gpm (378.5 lpm)
• 120 psi (8.4 bar, 0.84 MPa)
• Compatible with a wide range of industrial fluids, including corrosive and abrasive materials
• Patented, high-reliability closed center air valve
• Online serviceable air valve and ball checks
• Epoxy-coated air section for tough environmental conditions
• Lube-free operation
• Up to 5 times longer diaphragm life compared to similar pumps
• Fewer parts than industry peers, easy to service without uninstalling
• Compact, portable size

Applications:
Chemical processing, mining, wastewater management, and other industrial applications requiring high flow and robust construction

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
• Verify compatibility of pump materials with the fluid being handled
• Regularly inspect and maintain air valve and diaphragm for optimal performance
• Follow local safety and environmental regulations during installation and operation