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

Graco Husky 1590 air-operated double diaphragm pump, stainless steel fluid section, aluminium center section, 1-1/2 in. NPT, Stainless Steel seats, PTFE balls, PTFE/EPDM 2-Piece diaphragm

Graco · Pumps · Diaphragm · USA · graco.com
Part Number
DB4311  ·  HS 8413.81
Graco Husky 1590 air-operated double diaphragm pump, stainless steel fluid section, aluminium center section, 1-1/2 in. NPT, Stainless Steel seats, PTFE balls, PTFE/EPDM 2-Piece diaphragm

Graco Husky 1590 SS air-operated double diaphragm (AODD) metal pump, part number DB4311, with a stainless steel fluid section and an aluminium center section, Stainless Steel seats, PTFE balls and a PTFE/EPDM 2-Piece 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 (8.27 bar) fluid pressure. The stainless steel fluid-section build of the Husky 1590 series.

Technical Specifications

BrandGraco
RangeHusky 1590 SS (air-operated double diaphragm), metal
Part numberDB4311
Fluid section materialstainless steel
Center section materialaluminium
Seat materialStainless Steel
Ball materialPTFE
Diaphragm materialPTFE/EPDM 2-Piece
Manifold configurationend port
Maximum fluid working pressure120 psi (8.27 bar, 0.83 MPa)
Maximum free-flow delivery100 gpm (378.5 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
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)
Weight86 lb
Standards metATEX, CE

Properties

MaterialStainless Steel (fluid section)
Pressure rating120 psi (8.27 bar, 0.83 MPa)
Temperature rangeMaximum operating temperature 150 degF (66 degC) per the Graco product page
MOQ1

Compatibility

Husky 1590 SS series, 1-1/2 in. NPT metal pump with a stainless steel fluid section and an aluminium center section. Seat, ball and diaphragm materials are selected by configuration; confirm fluid compatibility before ordering.

Standards

Approvals

Attached Documents