The GRACO DT2911 Husky 1590 is an air-operated double diaphragm (AODD) pump constructed from polypropylene (PP) with PTFE diaphragms. It is designed for reliable, lube-free fluid transfer in industrial applications, including handling abrasive, corrosive, or viscous fluids.

Key Features:

• Air-Operated Double Diaphragm (AODD) Pump
• Husky 1590, 1.5-inch (38 mm) or 2-inch (51 mm) ANSI end-porting (varies by configuration)
• Polypropylene (PP) fluid section, PTFE diaphragms, epoxy-coated air section
• Up to 100 gpm (378.5 lpm) for Husky 1590 PP; up to 150 gpm (568 lpm) for DT2911 with 2-inch ANSI end-porting (confirm configuration)
• 120 psi (8.4 bar, 0.84 MPa) maximum fluid working pressure
• Compatible with a wide range of industrial fluids, including abrasive, corrosive, and viscous liquids
• Patented, high-reliability closed center air valve
• Online serviceable air valve
• Epoxy-coated air section for tough environments
• Lube-free operation
• Handles solids up to 0.19 in (4.8 mm)
• Maximum operating temperature: 150°F (65.5°C) for fluid, 220°F (104.4°C) for PTFE diaphragm

Applications:
Industrial fluid transfer, including abrasive, corrosive, or viscous fluids; suitable for mining, agriculture, chemical processing, and wastewater transfer

Installation Notes:

• Ensures compatibility, reliability, and safety; maintains warranty and performance standards
• Ground the entire fluid system when pumping conductive flammable fluids
• Use appropriate gaskets and fasteners for flanged connections (e.g., 1.5-inch raised face, 150 lb class pipe flanges)
• Lubricate bolt threads before installation
• Align gasket and pipe flange holes with pump outlet flange
• Secure with washers, lockwashers, and nuts as specified
• Regularly inspect diaphragms and valves for wear
• Ensure air supply is clean and dry
• Follow manufacturer’s recommended maintenance schedule
• Use only genuine GRACO replacement parts