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Husky 307 Plastic Pumps Air-Operated Double Diaphragm Technical Specifications Husky 307 Plastic Pumps Acetal Polypropylene Maximum fluid working pressure Maximum free flow delivery* Maximum pump speed Displacement per cycle** Maximum suction lift (D31255) Maximum size pumpable solids Maximum ambient operating temperature*** Maximum diaphragm operating temperature*** Typical sound level at 50 psi (3.5 bar, 0.35 MPa) air @ 50 cpm Maximum air consumption Air pressure operating range 100 psi (7 bar, 0.7 MPa) 7.0 gpm (26.5 lpm) 330 cpm 0.02 gallon (0.076 liter) 12 ft (3.7 m) dry 0.06 in (1.5 mm) 180°F (65.5°C) Refer to page 5 75 dBa 100 psi (7 bar, 0.7 MPa) 7.0 gpm (26.5 lpm) 330 cpm 0.02 gallon (0.076 liter) 12 ft (3.7 m) dry 0.06 in (1.5 mm) 150°F (65.5°C) Refer to page 5 75 dBa 6 scfm (0.17 m3/min) 20 to 100 psi (1.4 to 8.4 bar, 0.14 to 0.84 MPa) 1/4 npt(f) or bspt(f) 3/8 npt(f) 5.2 lb (2.4 kg) Acetal with Stainless Steel fibers, PTFE 308553 6 scfm (0.17 m3/min) 20 to 100 psi (1.4 to 8.4 bar, 0.14 to 0.84 MPa) 1/4 npt(f) or bspt(f) 3/8 npt(f) 4.75 lb (2.2 kg) Polypropylene, PTFE Air inlet size Fluid inlet & outlet size**** Weight Wetted parts (in addition to ball, seat and diaphragm materials–which may vary by pump) Instruction manual 308553 *Flow rates are with muffler and do not vary based on diaphragm material **Displacement per cycle may vary based on suction condition, discharge head, air pressure and fluid type ***Actual pump performance may be affected by prolonged usage at temperature Performance Chart Husky 307 Performance 6 (0.17) 100 (7, 0.7) 5 (0.14) A A 80 (5.5, 0.55) 4 (0.11) B B 60 (4.1, 0.41) 40 (2.8, 0.28) C C 3 (0.085) 2 (0.057) D 1 (0.028) 20 (1.4, 0.14) AIR CONSUMPTION scfm (m3/min FLUID OUTLET PRESSURE psi (bar, MPa) 120 (8.4, 0.84) D 0 gpm (lpm) 0 1 (3.8) 2 (7.6) 3 (11.4) 4 (15.2) 5 (19.0) 6 (22.7) 7 (26.5) 8 (30.0) FLUID FLOW (Pump tested in water with inlet submerged AIR PRESSURE A = at 100 psi (7 bar, 0.7 MPa) B = at 70 psi (4.8 bar, 0.48 MPa) C = at 40 psi (2.8 bar, 0.28 MPa) LEGEND Air Consumption Fluid Pressure D = at 20 psi (1.4 bar, 0.14 MPa) updated 2/15 PROCESS EQUIPMENT CATALOG
