Graco Air-Operated Double-Diaphragm

Husky 307 Air-Operated Double Diaphragm Pumps 
3/8 inch Positive Displacement Double Diaphragm Pump
The Husky 307 has a 3/8 inch (9.52 mm) connection and is available in polypropylene and groundable acetal
The Husky 307 air-operated diaphragm pump features a stall-free low pulsation air valve that provides a smooth and rapid changeover. 

Benefits of the Husky 307 double diaphragm pump
•  Quick and easy assembly and disassembly design
•  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
•  Every pump is tested prior to shipping

Overview
•  Maximum fluid flow              6.5 gpm (26.5 l/min)            •  Maximum Fluid Discharge Pressure    100 psi (7 bars, 0.7 MPa)
•  Maximum size pumpable solids        1/16 in (1.5 mm)    •  Fluid displacement per cycle    0.02 g (0,076 liter)

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)