Graco Air-Operated Double-Diaphragm

Husky 3300 Air-Operated Diaphragm Pumps 
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. 

Benefits of the Husky 3300 double diaphragm pumps
•  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.

Overview
•  Maximum fluid flow              300 gpm (1135 lpm)        •  Maximum Fluid Discharge Pressure    100 psi (7 bars, 0.7 MPa)
•  Maximum size pumpable solids    ½ in (13 mm)        •  Fluid displacement per cycle        2.9 g (11 liters)

Husky 515 Air-Operated Diaphragm Pumps 
½ inch Positive Displacement Double Diaphragm Pump
The Husky 515 has a ½ inch (12.7 mm) connection and is available in polypropylene, acetal and PVDF
The Husky 515 air-operated diaphragm pump features a stall-free low pulsation air valve which provides a smooth and rapid changeover.
The bolt through fluid cover design eliminates leaks and makes the Husky safer with higher reliability

Benefits of the Husky 515 double diaphragm pumps
•  Center and end porting options
•  No mechanical seals to cause fluid leaks or failures
•  Runs quietly at less than 85 dBa with easy-to-use remote muffler capability for even lower noise levels
•  Easy-to-service air valve and ball checks
•  Operates on as little as 20 psi (1.4 bar, 0.14 MPa)
•  Split manifold option to pump multiple fluids without mixing

Overview
•  Maximum fluid flow        15 gpm (57 lpm)            •  Maximum Fluid Discharge Pressure    100 psi (7 bars, 0.7 MPa)
•  Maximum size pumpable solids    3/32 in (2.5 mm)        •  Fluid displacement per cycle        0.04 g (0,15 liters)