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Datasheet generated 2026-10-07
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Graco Husky 1050 air-operated double diaphragm pump, stainless steel, 1 in. NPT, polypropylene center section, Santoprene seats, Santoprene balls, Santoprene diaphragm

Graco · Pumps · Diaphragm · USA · graco.com
Part Number
651166  ·  HS 8413.81
Graco Husky 1050 air-operated double diaphragm pump, stainless steel, 1 in. NPT, polypropylene center section, Santoprene seats, Santoprene balls, Santoprene diaphragm

Graco Husky 1050 air-operated double diaphragm (AODD) pump, part number 651166, stainless steel fluid section with a polypropylene center section, Santoprene seats, Santoprene balls and a Santoprene diaphragm. 1 in. NPT (25.4 mm) fluid inlet and outlet, 1/2 in. NPT(f) air inlet, 3/4 in. NPT(f) air exhaust. Maximum free-flow delivery 50 gpm (189 lpm), 280 cpm, maximum size pumpable solids 0.125 in (3.175 mm), weight 37.3 lb.

Technical Specifications

BrandGraco
RangeHusky 1050 (air-operated double diaphragm)
Part number651166
Fluid section materialStainless Steel
Center section materialPolypropylene
Manifold configurationCenter Port, End Port
Seat materialSantoprene
Ball materialSantoprene
Diaphragm materialSantoprene
Manifold O-ring materialPTFE
Maximum fluid working pressure125 psi (8.6 bar)
Maximum free-flow delivery50 gpm (189 lpm)
Maximum pump speed280 cpm
Maximum size pumpable solids0.125 in (3.175 mm)
Maximum air consumption67 scfm
Air inlet size1/2 npt(f)
Air exhaust port size3/4 npt(f)
Fluid inlet and outlet size1 in. NPT (25.4 mm)
Wetted materialsStainless Steel, Santoprene
Weight37.3 lb
Standards metATEX, CE

Properties

MaterialStainless Steel (fluid section), Polypropylene (center section)
Pressure rating125 psi (8.6 bar)
MOQ1

Compatibility

Husky 1050 series, 1 in. NPT stainless-steel pump. Seat, ball, diaphragm and center-section materials are selected by configuration; confirm fluid compatibility before ordering.

Standards

Approvals

Attached Documents