Graco Husky 3300 3" Air-Operated Double Diaphragm Pump - 652146

$3,193.60 $2,661.33
Aluminium Fluid Section, Aluminium Standard Air Valve w/Buna Seals Centre Section, Buna Seats, Buna Balls, Buna Diaphragms, Buna O-Rings

3 Inch Positive Displacement Double Diaphragm Pump

The Husky 3300 has a 3 inch (76.2 mm) connection and is available in aluminum, polypropylene and stainless steel.

The Husky 3300 air-operated diaphragm pump features a stall-free low pulsation air valve which provides a smooth and rapid changeover.

The one-piece center section eliminates leaks and reduces maintenance on the Husky pumps when compared to other diaphragm pumps.


  • Expanded material offering to handle numerous applications
  • Flow rates up to 300 gpm (1,135 lpm)
  • Modular stall-resistant air valve design
  • Complete 3 inch family of diaphragm pumps available in aluminum or polypropylene center sections
  • Heavy-duty construction
  • Faster change over with spring loaded pilot valves


  • Overall improved efficiency (up to 40% more efficient)
  • Highest fluid flow rate in its class
  • Up to 5 times longer diaphragm life compared to other air operated diaphragm pumps
  • Expanded material offering to handle endless applications
  • Offered in ATEX configuration



Maximum Fluid Flow:300 gpm (1135 lpm)
Maximum Fluid Discharge Pressure: 100 psi (7 bars, 0.7 MPa)
Maximum Size Pumpable Solids:1/2 in (13 mm)
Fluid Displacement Per Cycle:2.9 g (11 litres)
More Information
Max. Flow Rate (l/min) 1,059
Max. Input Pressure (psi) 100
Max. Output Pressure (psi) 100
Fluid to Air Ratio 1:1
Air Inlet Size 3/4" NPT(F)
Pump Inlet/ Outlet Size 3" Flange (Centre)
Max. Pump Speed 97 cpm
Fluid Section Material Aluminium
Centre Section Material Aluminium Standard Air Valve w/Buna Seals
Porting Aluminium Centre Flange ANSI/DIN & BSPT
Seats Buna
Balls Buna
Diaphragms Buna
Manifold O-Rings Buna
Certification Required ATEX