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Datasheet generated 2026-10-07
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Graco Husky 1590 air-operated double diaphragm pump, polypropylene, 1-1/2 in. NPT, Buna-N seats, Buna-N balls, Buna-N diaphragm

Graco · Pumps · Diaphragm · USA · graco.com
Part Number
DB2777  ·  HS 8413.81
Graco Husky 1590 air-operated double diaphragm pump, polypropylene, 1-1/2 in. NPT, Buna-N seats, Buna-N balls, Buna-N diaphragm

Graco Husky 1590 air-operated double diaphragm (AODD) metal pump, part number DB2777, polypropylene fluid section and aluminium center section, with Buna-N seats, Buna-N balls and a Buna-N diaphragm. Fluid ports are 1-1/2 in. (38.1 mm) NPT, end port. Maximum free-flow delivery 100 gpm (379 lpm) at up to 120 psi (8.4 bar) fluid pressure.

Technical Specifications

BrandGraco
RangeHusky 1590 (air-operated double diaphragm), metal
Part numberDB2777
Fluid section materialpolypropylene
Center section materialaluminium
Seat materialBuna-N
Ball materialBuna-N
Diaphragm materialBuna-N
Manifold configurationend port
Maximum fluid working pressure120 psi (8.4 bar)
Maximum free-flow delivery100 gpm (379 lpm)
Maximum pump speed200 cpm
Maximum size pumpable solids0.1875 in (4.763 mm)
Maximum operating temperature (Graco product page)150 degF (66 degC)
Maximum air consumption125 scfm
Maximum air pressure120 psi (8.4 bar)
Air inlet size1/2 npt(f)
Fluid inlet and outlet size1-1/2 in (38.1 mm) npt(f)
Weight35 lb
Standards metCE

Properties

MaterialPolypropylene (fluid section)
Pressure rating120 psi (8.4 bar)
Temperature rangeMaximum operating temperature 150 degF (66 degC) per the Graco product page
Thread standardNPT
MOQ1

Compatibility

Husky 1590 series, 1-1/2 in. metal AODD pump. Seat, ball and diaphragm materials are selected by configuration; confirm fluid compatibility before ordering.

Standards

Approvals

Attached Documents