Graco Inc.

Husky 1050 UL Rated  Air-Operated Double Diaphragm Transfer Pumps

UL Approved for use in pumping gasoline and gasoline/alcohol blends up to 10% ethanol, diesel fuel, fuel oil, and lubricating oil.

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Our 1 inch (25.4 mm) Husky 1050 pneumatic double diaphragm pumps feature a stall-free, low pulsation air valve which provides a smooth and rapid changeover.

UL Approved for use in pumping gasoline and gasoline/alcohol blends up to 10% ethanol, diesel fuel, fuel oil, and lubricating oil.

Typical applications include oil transfer and evacuation, fuel dispense and transfer, windshield wash solution dispense, and water and anti-freeze dispense.

 

  • 30% more efficient than the market leader
  • 20% increase in fluid flow compared to the Husky 1040
  • Up to 5 times longer diaphragm life compared to other double diaphragm pumps in its class

 

Husky 1050A UL-Listed Diaphragm Pumps
Maximum fluid working pressure
Transfer Pump
100 psi
0.7 MPa, 7.0 bar
Fuel Dispense Pump
50 psi
0.35 MPa, 3.5 bar
Air pressure operating range
Transfer Pump
20-100 psi
0.14-0.7 MPa, 1.4-7.0 bar
Fuel Dispense Pump
20-50 psi
0.14-0.35 MPa, 1.4-3.5 bar
Air consumption at 70 psi (0.48 MPa, 4.8 bar), 20 gpm (76 lpm)
25 scfm
25 scfm
Air consumption at 50 psi (0.35 MPa, 3.5 bar), full flow
25 scfm
25 scfm
Fluid displacement per cycle
0.17 gal.
0.64 liters
Maximum values with water as media under submerged inlet conditions at ambient temperature:
Maximum air consumption
64 scfm
64 scfm
Maximum free-flow delivery
Transfer Pump
50 gpm
189 lp
Fuel Dispense Pump
38 gpm
144 lp
Maximum pump speed
Transfer Pump
275 cpm
275 cpm
Fuel Dispense Pump
210 cpm
210 cpm
Maximum suction lift (varies widely based on ball/seat selection and wear, operating speed, material properties, and other variables).
16 ft dry, 29 ft wet
4.9 m dry, 8.8 m wet
Maximum size pumpable solids
1/8 in.
3.2 mm
Recommended cycle rate for continuous use
93 - 140 cpm
93 - 140 cpm
Recommended cycle rate for circulation systems
20 cpm
20 cpm
Sound Power* at 70 psi (0.48 MPa, 4.8 bar) and 50 cpm
78 dBa
78 dBa
Sound Power* at 100 psi (0.7 MPa, 7.0 bar) and full flow
90 dBa
90 dBa
Sound Pressure** at 70 psi (0.48 MPa, 4.8 bar) and 50 cpm
84 dBa
84 dBa
Sound Pressure** at 100 psi (0.7 MPa, 7.0 bar) and full flow
96 dBa
96 dBa
Operating temperature range
10°F-150°F
-12°C-65°C
Air inlet size
1/2 npt(f)
1/2 npt(f)
Fluid inlet size
1 in. npt(f)
1 in. npt(f)
Fluid outlet size
1 in. npt(f)
1 in. npt(f)
Weight
23 lb.
10.5 kg
Wetted parts.
Aluminum, TPC-ET, Acetal, PTFE
Aluminum, TPC-ET, Acetal, PTFE
Non-wetted external parts
Aluminum, coated carbon steel
Aluminum, coated carbon steel
* Sound power measured per ISO-9614-2. ** Sound pressure was tested 3.28 ft (1 m) from equipment. All trademarks mentioned in this manual are the property of their respective owners.