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Datasheet generated 2026-10-07
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Graco Husky 307 air-operated double diaphragm pump, acetal, 3/8 in. NPT, Acetal seats, Santoprene balls, Santoprene diaphragm

Graco · Pumps · Diaphragm · USA · graco.com
Part Number
D31266  ·  HS 8413.81
Graco Husky 307 air-operated double diaphragm pump, acetal, 3/8 in. NPT, Acetal seats, Santoprene balls, Santoprene diaphragm

Graco Husky 307 air-operated double diaphragm (AODD) pump, part number D31266, acetal fluid section and polypropylene center section, with Acetal seats, Santoprene balls and a Santoprene diaphragm. Fluid ports are 3/8 in. (9.525 mm) NPT, end port. Maximum free-flow delivery 6.5 gpm (24.6 lpm) at up to 100 psi (6.9 bar) fluid pressure.

Technical Specifications

BrandGraco
RangeHusky 307 (air-operated double diaphragm), 3/8 in.
Part numberD31266
Fluid section materialacetal
Center section materialpolypropylene
Seat materialAcetal
Ball materialSantoprene
Diaphragm materialSantoprene
Manifold o-ring materialPTFE
Manifold configurationend port
Maximum fluid working pressure100 psi (6.9 bar)
Maximum free-flow delivery6.5 gpm (24.6 lpm)
Maximum pump speed330 cpm
Maximum size pumpable solids0.0625 in (1.5875 mm)
Maximum operating temperature (Graco product page)150 degF (66 degC)
Maximum air consumption5.5 scfm
Maximum air pressure100 psi (6.9 bar)
Air inlet size1/4 npt(f)
Fluid inlet and outlet size3/8 in (9.525 mm) npt(f)
Weight5.25 lb
Standards metATEX, CE

Properties

MaterialAcetal (fluid section)
Pressure rating100 psi (6.9 bar)
Temperature rangeMaximum operating temperature 150 degF (66 degC) per the Graco product page
Thread standardNPT
MOQ1

Compatibility

Husky 307 series, 3/8 in. air-operated double diaphragm pump — the smallest pump in the Husky AODD range; the next size up is the 1/2 in. Husky 515. Seat, ball and diaphragm materials are selected by configuration; confirm fluid compatibility before ordering.

Standards

Approvals

Attached Documents