Graco Husky 3300 3" Air-Operated Double Diaphragm Pump - 652877

$12,190.25 $10,158.54
Stainless Steel Fluid Section, Polypropylene Standard Air Valve (NPT) Centre Section, Polypropylene Seats, PTFE Balls, PTFE Diaphragms, PTFE 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" BSPT(F)
Max. Pump Speed 97 cpm
Fluid Section Material Stainless Steel
Centre Section Material Polypropylene Standard Air Valve (NPT)
Porting Stainless Steel Standard Porting (BSPT)
Seats Polypropylene
Balls PTFE
Diaphragms PTFE
Manifold O-Rings PTFE