The GRACO DF3321 is a 2-inch NPT air-operated double diaphragm pump with an aluminum center section, stainless steel seats, acetal balls, and PTFE diaphragm. It is designed for reliable, efficient transfer of a wide range of fluids in industrial and maintenance applications.

Key Features:

• Air Operated Double Diaphragm Pump
• Husky 2150, 2" NPT
• Aluminum center section, stainless steel seats, acetal balls, PTFE diaphragm
• Maximum free flow delivery: 150 gpm (568 lpm)
• Maximum working pressure: 120 psi (8.4 bar)
• Compatible with a wide range of fluids and industrial applications
• Stall-free low pulsation air valve for smooth and rapid changeover
• Up to 40% more efficient than previous models
• Up to 5 times longer diaphragm life compared to other air-operated diaphragm pumps
• Handles solids up to 0.25 in (6.3 mm)
• Maximum suction lift: 20 ft (6.1 m) dry
• Typical sound level: 78 dBA
• Maximum pump speed: 145 cpm
• Displacement per cycle: 1.03 gallon (3.90 liter)

Applications:
Ideal for transferring a variety of fluids, including those with suspended solids, in industries such as mining, agriculture, manufacturing, and maintenance. Suitable for applications requiring robust, reliable, and efficient fluid transfer.

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 seals for the intended fluid and pressure
• Follow manufacturer guidelines for air supply and filtration
• Regularly inspect and maintain diaphragms, seats, and balls for wear and proper function
• Refer to the GRACO Husky 2150 Operation and Parts Manual for detailed instructions