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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. BSPT, Santoprene seats, Santoprene balls, Santoprene diaphragm

Graco · Pumps · Diaphragm · USA · graco.com
Part Number
651038  ·  HS 8413.81
Graco Husky 1050 air-operated double diaphragm pump, stainless steel, 1 in. BSPT, Santoprene seats, Santoprene balls, Santoprene diaphragm

Graco Husky 1050 air-operated double diaphragm (AODD) pump, part number 651038, stainless steel fluid section with an aluminum center section, Santoprene seats, Santoprene balls and a Santoprene diaphragm. 1 in. BSPT (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 41.4 lb.

Technical Specifications

BrandGraco
RangeHusky 1050 (air-operated double diaphragm)
Part number651038
Fluid section materialStainless Steel
Center section materialAluminum
Manifold configurationCenter Port, End Port
Seat materialSantoprene
Ball materialSantoprene
Diaphragm materialSantoprene
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. BSPT (25.4 mm)
Manifold O-ring materialPTFE
Wetted materialsStainless Steel, Aluminum, Santoprene, PTFE
Maximum operating temperature180 °F (82 °C)
Weight41.4 lb
Standards metATEX, CE

Properties

MaterialStainless Steel (fluid section)
Pressure rating125 psi (8.6 bar)
Temperature range180 °F (82 °C) max
MOQ1

Compatibility

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

Standards

Approvals

Attached Documents