The GRACO DB2911 Husky 1590 PP is an air-operated double diaphragm (AODD) pump constructed from polypropylene (PP) with PTFE diaphragms and balls. It is designed for transferring a wide range of fluids, including corrosive and abrasive liquids, in industrial and process applications.

Key Features:

• Air-Operated Double Diaphragm Pump
• Husky 1590, 1-1/2" (38.1 mm) ANSI end-porting
• Polypropylene (PP) fluid section, PTFE diaphragms and balls, epoxy-coated air section
• Up to 100 gpm (378.5 lpm)
• Maximum fluid working pressure: 120 psi (8.4 bar, 0.84 MPa)
• Suitable for a wide range of fluids, including corrosive and abrasive liquids
• Up to five times longer diaphragm life compared to other AODD pumps in its class
• Fewer parts than industry peers, with externally accessible air valve for easy servicing
• Lube-free operation
• Compact, portable size
• Epoxy-coated air section for tough environmental conditions

Applications:
Ideal for industrial and process applications requiring reliable, maintenance-friendly transfer of corrosive, abrasive, or viscous fluids. Commonly used in chemical processing, mining, agriculture, and general industrial settings.

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 piping and fittings rated for the intended pressure and fluid
• Follow manufacturer guidelines for air supply and fluid connections
• Regularly inspect diaphragms and valves for wear and replace as needed
• Keep the air section clean and free from debris