The GRACO Husky 3300 is a heavy-duty, air-operated double diaphragm pump designed for reliable fluid transfer in demanding industrial environments. This specific configuration features an aluminum center section, aluminum seats, acetal balls, and a Buna-N diaphragm, making it suitable for handling a wide range of chemicals and fluids. It is engineered for professional use in applications requiring robust, leak-resistant, and maintenance-friendly performance.
Key Features:
Air-operated double diaphragm pump
Husky 3300, 3" (76.2 mm) ANSI/DIN/BSPT
Aluminum center section, aluminum seats, acetal balls, Buna-N diaphragm
Up to 1,136 L/min (300 gpm)
Maximum working pressure: 8.6 bar (125 psi)
Designed for use with a wide range of fluids, including chemicals and viscous materials
Stall-free low pulsation air valve for smooth, rapid changeover
One-piece center section for leak resistance and reduced maintenance
Heavy-duty construction for long service life
Modular, stall-resistant air valve design
Up to 5 times longer diaphragm life compared to other air-operated diaphragm pumps
Expanded material offering for diverse applications
Applications: Ideal for fluid transfer in industrial, mining, chemical processing, and agricultural settings. Suitable for handling abrasive, viscous, or corrosive fluids.
Installation Notes:
Using genuine GRACO parts ensures optimal performance, reliability, and safety. Non-genuine parts may compromise pump integrity and void warranties.
Ensure proper alignment of inlet and discharge connections
Use appropriate gaskets and seals for leak-free operation
Follow torque specifications for all fasteners
Regularly inspect diaphragms, balls, and seats for wear
Lubricate moving parts as recommended by the manufacturer
Consult the manual for specific installation and maintenance procedures
Perform routine maintenance to extend pump life
Check for leaks and unusual noises during operation
Replace worn components promptly to avoid downtime
Store spare parts in a clean, dry environment
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