The GRACO Husky 3300e 3" AL Electric Diaphragm Pump is a robust, electric-operated double diaphragm pump designed for industrial fluid transfer. It features an aluminum center section, SP (standard performance) seat, ball, and diaphragm, and is intended for use in demanding environments requiring reliable, efficient, and low-maintenance pumping of a wide range of fluids, including chemicals, slurries, and abrasives. This model is supplied without a motor or compressor, and features end port NPT connections.
Key Features:
Electric Operated Double Diaphragm Pump
Husky 3300e, 3" (76.2 mm)
Aluminum center section, SP seat, SP ball, SP diaphragm
Interchangeable with other major diaphragm pump brands (Wilden, Sandpiper, Yamada, ARO) for air-operated models; compatibility for electric models should be confirmed with manufacturer
ATEX and explosion-proof motors available as options (not included with this part number)
Runs dry, self-primes, stalls under pressure
Seal-less design for reduced maintenance
Low pulsation without costly dampeners
Near 0 dB in-plant noise pollution (with electric operation)
Modular design using long-life elastomers
Up to 80% energy reduction vs. pneumatic pumps
Accurate fluid metering with VFD controls (if equipped)
Robust construction for handling solids, slurries, and abrasives
Applications: Medium viscosity transfer, oils, automotive additives, slurries, paints, waste water, lubrication, general chemical transfer
Installation Notes:
Using genuine GRACO parts ensures optimal performance, reliability, and safety, and maintains warranty coverage.
Ensure proper alignment and secure mounting to prevent vibration and leaks
Use appropriate gaskets and seals for the intended fluid
Follow electrical safety guidelines when connecting to power sources (if motor is added)
Regularly inspect diaphragms, balls, and seats for wear and replace as needed
Consult the manual for specific torque settings and maintenance intervals
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