The GRACO DF3888 is an air-operated double diaphragm pump with an aluminum center section, FKM (Fluoroelastomer) seats, balls, and diaphragm. It is designed for robust, reliable fluid transfer in industrial environments, suitable for handling a wide range of liquids including those requiring chemical resistance and durability.

Key Features:

• Air-operated double diaphragm pump
• Husky 2150, 2 in. (51 mm) NPT
• Aluminum center section, FKM (Fluoroelastomer) seats, balls, and diaphragm
• Up to 150 gpm (568 lpm)
• 120 psi (8.4 bar, 0.84 MPa)
• Compatible with a wide range of industrial fluids, especially those requiring chemical resistance
• Stall-free low pulsation air valve for smooth and rapid changeover
• Up to 40% more efficient than comparable pumps
• Up to 5 times longer diaphragm life
• Fewer parts than industry peers; complete air valve is externally accessible for fast, easy service
• Lube-free operation
• Epoxy-coated air section for tough environmental conditions
• 2 in. (51 mm) ANSI end-porting

Applications:
Ideal for industrial fluid transfer, including chemical processing, mining, agriculture, and other environments requiring robust, reliable, and chemically resistant pumping solutions.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and longevity of the pump.
• Ensure proper alignment and secure mounting of the pump
• Use appropriate fittings and hoses for the intended fluid and pressure
• Follow manufacturer guidelines for air supply and fluid connections
• Regularly inspect and maintain accessible air valve and diaphragm for optimal performance