The DF3926 is a Husky 2150 air-operated double diaphragm pump with an aluminum center section, polypropylene seats, acetal balls, and Santoprene diaphragm. It is designed for robust fluid transfer applications in industrial environments, offering reliable, lube-free operation and compatibility with a wide range of fluids.

Key Features:

• Air-Operated Double Diaphragm Pump
• Husky 2150, 2" NPT
• Aluminum center section, polypropylene seats, acetal balls, Santoprene diaphragm
• Up to 150 gpm (568 lpm)
• Maximum fluid working pressure: 120 psi (8.4 bar, 0.84 MPa)
• Compatible with a wide range of industrial fluids; not for use with incompatible chemicals
• 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, externally accessible air valve for easy servicing
• Lube-free operation
• Epoxy-coated air section for tough environmental conditions

Applications:
Ideal for transferring fluids in industrial, mining, agricultural, and manufacturing settings. Suitable for handling abrasive, viscous, or corrosive fluids where reliability and ease of maintenance are critical.

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 to prevent vibration and leaks
• Use appropriate piping and fittings for the intended fluid and pressure
• Follow all safety instructions and local regulations during installation and maintenance
• Regularly inspect and maintain the pump, especially the air valve and diaphragms, for optimal performance