The GRACO DFD911 is a Husky 2150 air-operated double diaphragm pump featuring a stainless steel (SS) fluid section, aluminum (AL) center section, polypropylene (PP) seats, PTFE balls, and PTFE diaphragm. It is designed for reliable, efficient, and versatile fluid transfer in industrial applications, compatible with a wide range of chemicals and abrasive fluids.

Key Features:

• Air-operated double diaphragm pump
• Husky 2150, 2 in. (51 mm) BSP
• Stainless steel (SS) fluid section, aluminum (AL) center section, polypropylene (PP) seats, PTFE balls, PTFE diaphragm
• Up to 150 gpm (568 lpm)
• Up to 120 psi (8.4 bar, 0.84 MPa)
• Compatible with a wide range of chemicals and abrasive fluids; 2 in. (51 mm) ANSI end-porting
• Stall-free low pulsation air valve for smooth and rapid changeover
• Overall improved efficiency (up to 40% more efficient)
• Highest fluid flow rate in its class
• Up to 5 times longer diaphragm life compared to other air operated diaphragm pumps
• Fewer parts than industry peers; complete air valve externally accessible for fast, easy servicing
• Lube-free operation
• Epoxy-coated air section for tough environmental conditions

Applications:
Ideal for industrial fluid transfer, including chemical processing, mining, agriculture, and other environments requiring robust, reliable, and efficient pumping of abrasive or corrosive fluids.

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 chemical compatibility
• Follow manufacturer guidelines for air supply and exhaust connections
• Regularly inspect and maintain the pump, especially the diaphragm and valve components, for optimal performance and longevity