The GRACO DBC977 Husky 1590 is an air-operated double diaphragm pump with an aluminum center section, polypropylene seats, Buna-N balls, and Buna-N diaphragm. It is designed for high-flow, reliable fluid transfer in demanding industrial environments, suitable for handling a wide range of fluids including those with solids.

Key Features:

• Air-operated double diaphragm pump
• Husky 1590, 1-1/2" (38.1 mm) BSP
• Aluminum center section, polypropylene seats, Buna-N balls, Buna-N diaphragm
• 100 gpm (378.5 lpm)
• 120 psi (8.4 bar, 0.84 MPa)
• Compatible with a wide range of industrial fluids, including those with solids up to 0.19 in (4.8 mm)
• 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
• Compact, portable size
• Up to 5 times longer diaphragm life compared to similar pumps
• Fewer parts than industry peers, externally accessible air valve for easy maintenance

Applications:
Ideal for fluid transfer in industries such as mining, agriculture, chemical processing, and general industrial applications where high flow rates and reliability are required.

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 of the pump
• Use appropriate fittings and hoses rated for the intended pressure and fluid
• Follow all safety instructions in the manual
• Regularly inspect and maintain the air valve and diaphragm for optimal performance