Graco Husky 1050 1″ Air Operated Diaphragm Pump
Model No: 651038
Husky 1050 Operation 312877EN-R
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. Available in aluminum, polypropylene, conductive polypropylene, PVDF, stainless steel and hastelloy fluid sections.
View values in U.S. units.
| Husky 1050 Air-Operated Diaphragm Pump | |
| Maximum fluid working pressure | 125 psi
8.6 bar, 0.86 MPa |
| Air pressure operating range | 20-125 psi
1.4-8.6 bar, 0.14-0.86 MPa |
| Fluid displacement per cycle | 0.17 gal
0.64 l |
| Air consumption | 25 scfm at 70 psi, 20 gpm
0.7 m³/min at 4.8 bar, 0.48 MPa, 76 lpm |
| Maximum values with water as media under submerged inlet conditions at ambient temperature: | |
| Maximum air consumption | 67 scfm
1.9 m³/min |
| Maximum free-flow delivery | 50 gpm
189 lpm |
| Maximum pump speed | 280 cpm
280 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 (4.8 bar, 0.48 MPa) and 50 cpm | 78 dBa
78 dBa |
| at 100 psi (7.0 bar, 0.7 MPa) and full flow | 90 dBa
90 dBa |
| Sound Pressure** | |
| at 70 psi (4.8 bar, 0.48 MPa) and 50 cpm | 84 dBa
84 dBa |
| at 100 psi (7.0 bar, 0.7 MPa) and full flow | 96 dBa
96 dBa |
| Fluid temperature range | See Manual
See Manual |
| Air inlet size | 1/2 npt(f)
1/2 npt(f) |
| Fluid inlet size | |
| Aluminum (1050A), Hastelloy (1050H) or Stainless Steel (1050S) | 1 in npt(f) or 1 in bspt
1 in npt(f) or 1 in bspt |
| Conductive Poly (1050C), Polypropylene (1050P), or PVDF (1050F) | 1 in raised face ANSI/DIN flange
1 in raised face ANSI/DIN flange |
| Fluid outlet size | |
| Aluminum (1050A), Hastelloy (1050H) or Stainless Steel (1050S) | 1 in npt(f) or 1 in bspt
1 in npt(f) or 1 in bspt |
| Conductive Poly (1050C), Polypropylene (1050P), or PVDF (1050F) | 1 in raised face ANSI/DIN flange
1 in raised face ANSI/DIN flange |
| Weight | |
| Aluminum (1050A) | 23 lb
10.5 kg |
| Conductive Polypropylene (1050C) and Polypropylene (1050P) | 18 lb
8.2 kg |
| Hastelloy (1050H) | 41 lb
18.6 kg |
| PVDF (1050F) | 26 lb
11.8 kg |
| Stainless Steel (1050S) with conductive polypropylene center | 36.3 lb
16.5 kg |
| Stainless Steel (1050S) with polypropylene center | 37.3 lb
16.9 kg |
| Stainless Steel (1050S) with aluminum center | 41.4 lb
18.8 kg |
| Wetted parts include material(s) chosen for seat, ball, and diaphragm options, plus the pump’s material of construction | |
| 1050A | Aluminum
Aluminum |
| 1050H | Hastelloy
Hastelloy |
| 1050C and 1050P | Polypropylene
Polypropylene |
| 1050F | PVDF
PVDF |
| 1050S | Stainless Steel
Stainless Steel |
| Non-wetted external parts | |
| Aluminum (1050A) | aluminum, coated carbon steel
aluminum, coated carbon steel |
| Hastelloy (1050H) | hastelloy, stainless steel, polypropylene or aluminum (if used in center section)
hastelloy, stainless steel, polypropylene or aluminum (if used in center section) |
| Plastic (1050P, 1050C, and 1050F) | stainless steel, polypropylene
stainless steel, polypropylene |
| Stainless Steel (1050S) | stainless steel, polypropylene or aluminum (if used in center section)
stainless steel, polypropylene or aluminum (if used in center section) |
| Reference Information | |
| Maximum Storage Time (varies with conditions) | 2 years
2 years |
| Maximum Lifetime (varies with operating conditions and maintenance) | 10 years
10 years |
| Power Efficiency Factor (varies based on pump configuration, operating parameters, and material) | 1.61 gal air consumed/1 gal fluid pumped at 70 psi
1.61 l air consumed/1 l fluid pumped at 4.8 bar |
| * 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. | |
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