The GRACO Husky 3300 is a heavy-duty, air-operated double diaphragm pump designed for fluid transfer applications, including high-viscosity materials. This model features an aluminum center section, Buna-N seats, polychloroprene standard balls, and polychloroprene overmolded diaphragms, making it suitable for a wide range of industrial uses.

Key Features:

• Air-operated double diaphragm pump
• Husky 3300 (3 inch, 76.2 mm)
• Aluminum center section, Buna-N seats, polychloroprene standard balls, polychloroprene overmolded diaphragms
• Up to 1,135 L/min (300 gpm)
• Maximum working pressure: 8.6 bar (125 psi) for aluminum center section
• Compatible with a wide range of fluids, including high-viscosity and abrasive materials
• Stall-free low pulsation air valve for smooth and rapid changeover
• One-piece center section for leak-free operation and reduced maintenance
• Four-bolt joint design for even sealing pressure
• Modular, stall-resistant air valve design
• Heavy-duty construction for long service life
• Up to 5 times longer diaphragm life compared to other air-operated diaphragm pumps
• Expanded material offering for handling numerous applications

Applications:
Ideal for transferring fluids in industrial, mining, agricultural, and manufacturing environments, especially where high flow rates, reliability, and resistance to abrasive or viscous materials are required.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and safety, and helps maintain warranty coverage.
• Ensure proper alignment of pump components during assembly
• Use recommended gaskets and seals for leak-free operation
• Follow torque specifications for bolt tightening
• Inspect diaphragms and seats regularly for wear and replace as needed
• Lubricate moving parts according to manufacturer guidelines
• Regularly inspect and clean pump components
• Replace worn or damaged diaphragms, seats, and balls promptly
• Monitor for leaks and unusual noises during operation
• Keep air supply clean and dry to prevent valve and diaphragm damage