The GRACO Husky 1590 DC3777 is an air-operated double diaphragm pump with an aluminum center section, Buna-N seats, Buna-N balls, and Buna-N diaphragm. It is designed for high-flow, high-pressure transfer of a wide range of fluids, including abrasive, viscous, or corrosive liquids, and is commonly used in industrial, mining, and agricultural applications.

Key Features:

• Air-operated double diaphragm pump
• Husky 1590, 1-1/2" NPT
• Aluminum center section, Buna-N seats, Buna-N balls, Buna-N diaphragm
• Maximum free flow delivery: 100 gpm (378.5 lpm)
• Maximum fluid working pressure: 120 psi (8.4 bar, 0.84 MPa)
• Compatible with a wide range of fluids, including abrasive, viscous, or corrosive liquids
• 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
• Easy-to-service design

Applications:
Industrial fluid transfer, mining, agriculture, chemical processing, and other applications requiring robust, reliable pumping of challenging fluids.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and safety, and maintains warranty coverage.
• Ensure proper alignment and secure mounting of the pump
• Use appropriate fittings and hoses rated for the intended pressure and fluid
• Follow manufacturer’s guidelines for air supply and fluid connections
• Regularly inspect and maintain air valve, diaphragms, and ball checks for optimal performance