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Husky 1050 Air-Operated Diaphragm Pump
Maximum fluid working pressure	125 psi
Air pressure operating range	20-125 psi
Fluid displacement per cycle	0.17 gal
Air consumption	25 scfm at 70 psi, 20 gpm
Maximum values with water as media under submerged inlet conditions at ambient temperature:
Maximum air consumption	67 scfm
Maximum free-flow delivery	50 gpm
Maximum pump speed	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
Maximum size pumpable solids	1/8 in
Recommended cycle rate for continuous use	93 - 140 cpm
Recommended cycle rate for circulation systems	20 cpm
Sound Power*
at 70 psi (4.8 bar, 0.48 MPa) and 50 cpm	78 dBa
at 100 psi (7.0 bar, 0.7 MPa) and full flow	90 dBa
Sound Pressure**
at 70 psi (4.8 bar, 0.48 MPa) and 50 cpm	84 dBa
at 100 psi (7.0 bar, 0.7 MPa) and full flow	96 dBa
Fluid temperature range	See Manual
Air inlet size	1/2 npt(f)
Fluid inlet size
Aluminum (1050A), Hastelloy (1050H) or Stainless Steel (1050S)	1 in npt(f) or 1 in bspt
Conductive Poly (1050C), Polypropylene (1050P), or PVDF (1050F)	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
Conductive Poly (1050C), Polypropylene (1050P), or PVDF (1050F)	1 in raised face ANSI/DIN flange
Weight
Aluminum (1050A)	23 lb
Conductive Polypropylene (1050C) and Polypropylene (1050P)	18 lb
Hastelloy (1050H)	41 lb
PVDF (1050F)	26 lb
Stainless Steel (1050S) with conductive polypropylene center	36.3 lb
Stainless Steel (1050S) with polypropylene center	37.3 lb
Stainless Steel (1050S) with aluminum center	41.4 lb
Wetted parts include material(s) chosen for seat, ball, and diaphragm options, plus the pump’s material of construction
1050A	Aluminum
1050H	Hastelloy
1050C and 1050P	Polypropylene
1050F	PVDF
1050S	Stainless Steel
Non-wetted external parts
Aluminum (1050A)	aluminum, coated carbon steel
Hastelloy (1050H)	hastelloy, stainless steel, polypropylene or aluminum (if used in center section)
Plastic (1050P, 1050C, and 1050F)	stainless steel, polypropylene
Stainless Steel (1050S)	stainless steel, polypropylene or aluminum (if used in center section)
Reference Information
Maximum Storage Time (varies with conditions)	2 years
Maximum Lifetime (varies with operating conditions and maintenance)	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
* 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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Phone: 731-427-7725
TOLL FREE: 800-290-9908
Fax: 731-423-6837