Graco Inc.

Husky 205 Air-Operated Double Diaphragm Pumps  0.25 inch Positive Displacement Double Diaphragm Pump

The Husky 205 has a 1/4 inch (6.3 mm) connection and is available in polypropylene, groundable acetal and PVDF

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The Husky 205 air-operated diaphragm pump features spring check valves for superior priming in any mounting configuration.

Benefits of the Husky 205 double diaphragm pumps

  • True-formed PTFE and Santoprene diaphragms for enhanced performance
  • Spring loaded checks allow the diaphragm pump to work in any orientation
  • Inlet and Outlet are interchangeable
  • Remote control option using an external controller

 

Overview
Maximum fluid flow
5.0 gpm (18.9 l/min)
Maximum Fluid Discharge Pressure
100 psi (7 bars, 0.7 MPa)
Maximum size pumpable solids
0.06 in (1.5 mm)
Fluid displacement per cycle
0.012 g (0,045 liter)

Husky 205 Performance

Husky 205 Fluid Flow

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  • 1/4-in (6.35 mm) end-porting double diaphragm pump
  • Spring check valves for superior priming in any mounting configuration
  • Remote control option using an external controller

View values in metric units. View values in U.S. units.

Husky 205 Air-Operated Diaphragm Pump
Maximum fluid working pressure
100 psi
7 bar, 0.7 MPa
Maximum/minimum air pressure
100 psi/20 psi
7 bar, 0.7 MPa/1.4 bar, 0.14 MPa
Maximum fluid flow
5.0 gpm
18.9 lpm
Maximum pump speed
320 (dry) cpm, 250 (wet) cpm
320 (dry) cpm, 250 (wet) cpm
Volume per stroke*
0.006 g
23 cc
Volume per cycle*
0.012 g
46 cc
Maximum suction lift dry
8 to 10 ft
2.5 to 3 m
Maximum size pumpable solids
0.06 in
1.5 mm
Maximum operating temperature
180°F
82°C
Maximum air consumption
9.0 scfm
0.252 m³/min
Air inlet size**
1/4 npt(f)
1/4 bsp(f)
Fluid inlet size**
1/4 npt(f)
1/4 bsp(f)
Fluid outlet size**
1/4 npt(f)
1/4 bsp(f)
Air exhaust port size**
1/4 npt(f)
1/4 bsp(f)
Weight
Polypropylene Pump
2 lb
0.9 kg
Acetal Pump
2.5 lb
1.1 kg
PVDF Pump
2.8 lb
1.3 kg
Wetted parts (housings, diaphragms, check valves)
Polypropylene Pump
Glass-filled polypropylene, PTFE, polypropylene
Glass-filled polypropylene, PTFE, polypropylene
Acetal Pump
Acetal with SST fibers, PTFE, acetal
Acetal with SST fibers, PTFE, acetal
PVDF Pump
PVDF, PTFE, PVDF
PVDF, PTFE, PVDF
Sound power level (pressure) (per ANSI STD S12.1)
at 100 psi (7 bar, 0.7 MPa)
75.5 dBa
75.5 dBa
at 70 psi (4.9 bar, 0.49 MPa)
72.0 dBa
72.0 dBa
at 40 psi (2.8 bar, 0.28 MPa)
68.2 dBa
68.2 dBa
Sound power level (intensity) (per ANSI STD S12.1)
at 100 psi (07 bar, .7 MPa)
84.5 dBa
84.5 dBa
at 70 psi (4.9 bar, 0.49 MPa)
81.1 dBa
81.1 dBa
at 40 psi (2.8 bar, 0.28 MPa)
76.6 dBa
76.6 dBa
* Volume per cycle may vary based on suction condition, discharge head, air pressure, and fluid. ** Hybrid thread allows for either 1/4 npt or 1/4 bsp fitting. PVDF is a registered trademark of Atochem North America, Incorporated. Schrader Bellows® is a registered trademark of Schrader Bellows. Santoprene® is a registered trademark of the Monsanto Company.