cBallast
Industrial Parts Catalog
Datasheet generated 2026-10-07
sales@cballast.com
cballast.com

Graco Husky 1590 air-operated double diaphragm pump, aluminium, 1-1/2 in. NPT, polypropylene seats, TPE (Hytrel) balls, TPE (Hytrel) diaphragm

Graco · Pumps · Diaphragm · USA · graco.com
Part Number
DB3955  ·  HS 8413.81
Graco Husky 1590 air-operated double diaphragm pump, aluminium, 1-1/2 in. NPT, polypropylene seats, TPE (Hytrel) balls, TPE (Hytrel) diaphragm

Graco Husky 1590 air-operated double diaphragm (AODD) metal pump, part number DB3955, aluminium fluid section and aluminium center section, with polypropylene seats, TPE (Hytrel) balls, TPE (Hytrel) diaphragm. Fluid ports are 1-1/2 in. (38.1 mm) NPT(f). Maximum free-flow delivery 100 gpm (378.5 lpm) at up to 120 psi (8.4 bar) fluid pressure. The aluminium metal-body build of the Husky 1590 series.

Technical Specifications

BrandGraco
RangeHusky 1590 (air-operated double diaphragm), metal
Part numberDB3955
Fluid section materialaluminium
Center section materialaluminium
Seat materialPolypropylene
Ball materialTPE (Hytrel)
Diaphragm materialTPE (Hytrel)
Manifold configurationend port
Maximum fluid working pressure120 psi (8.4 bar, 0.84 MPa)
Maximum free-flow delivery100 gpm (378.5 lpm)
Maximum pump speed200 cpm
Displacement per cycle0.5 gallon (1.96 liter)
Maximum size pumpable solids0.19 in (4.8 mm)
Maximum operating temperature (Graco product page)150 degF
Maximum air consumption125 scfm (3.5 m3/min)
Air pressure operating range20 to 120 psi (1.4 to 8.4 bar, 0.14 to 0.84 MPa)
Air inlet size1/2 npt(f)
Air exhaust port size3/4 npt(f)
Fluid inlet and outlet size1-1/2 in (38.1 mm) npt(f)
Weight (aluminium)33.5 lb (15.2 kg)
Standards metATEX, CE

Properties

MaterialAluminium (fluid section)
Pressure rating120 psi (8.4 bar, 0.84 MPa)
Temperature rangeMaximum operating temperature 150 degF per the Graco product page
MOQ1

Compatibility

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

Standards

Approvals

Attached Documents