The GRACO DT4311 Husky 1590 SS is a stainless steel (SS) air-operated double diaphragm (AODD) pump with PTFE (polytetrafluoroethylene) components, designed for reliable and safe transfer of corrosive, abrasive, or hazardous fluids in industrial applications. It is engineered for use within GRACO equipment and systems requiring robust chemical handling.

Key Features:

• Air-Operated Double Diaphragm (AODD) Pump
• Husky 1590, 1.5-inch (nominal size)
• Stainless Steel (SS) fluid section, PTFE diaphragms and seals
• 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 corrosive and abrasive chemicals and solvents
• Patented, high-reliability closed center air valve
• Online serviceable air valve
• Corrosion-resistant fluid paths
• Robust construction for harsh environments
• Ease of maintenance and repair
• Reliable performance with minimal downtime

Applications:
Ideal for transferring corrosive, abrasive, or hazardous fluids in industries such as chemical processing, mining, agriculture, and manufacturing. Suitable for use in environments requiring high reliability and chemical resistance.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, safety, and longevity of the pump. Non-genuine parts may compromise reliability and void warranties.
• Ensure proper alignment and secure mounting of the pump
• Use appropriate piping and fittings rated for the intended pressure and chemical compatibility
• Follow manufacturer guidelines for air supply and pressure settings
• Regularly inspect diaphragms, seals, and valves for wear or damage
• Refer to the equipment manual for specific installation and maintenance procedures