Graco Husky 1590 1.5" Air-Operated Double Diaphragm Pump - DTD311

$5,062.12 $4,218.43
Stainless Steel Fluid Section, Stainless Steel Standard Air Valve Centre Section, Stainless Steel (316) Seats, PTFE Balls, PTFE Diaphragms, PTFE O-Rings

1.5 Inch Positive Displacement Double Diaphragm Pump

The Husky 1590 has a 1.5 inch (38.1 mm) connection and is available in aluminum, stainless steel and polypropylene.

The Husky 1590 air-operated diaphragm pump features a patented, high-reliability closed center air valve that is online serviceable and an epoxy-coated air section for tough environmental conditions.


  • 1.5 in. (38.1 mm) ANSI end-porting
  • High flow - 100 gpm (378 lpm) in a compact, portable size
  • Fluid pressure to 120 psi (8.4 bar, 0.84 MPa)
  • Lube-free operation
  • Available in polypropylene, aluminum and stainless steel
  • Epoxy-coated air section for tough environmental conditions


  • Up to 5 times longer diaphragm life compared to other air operated diaphragm pumps in its class
  • Expanded material offering to handle endless applications
  • Fewer parts than industry peers, the air valve is externally accessible so it can be serviced quickly and easily without uninstalling the diaphragm pump
  • Offered in ATEX configuration.



Maximum Fluid Flow:100 gpm (378.5 l/min)
Maximum Fluid Discharge Pressure: 120 psi (8,4 bars, 0,84 MPa)
Maximum Size Pumpable Solids: 3/16 in (4.8 mm)
Fluid Displacement Per Cycle:0.5 g (1.9 litres)
More Information
Max. Flow Rate (l/min)378.50
Max. Input Pressure (psi)120
Max. Output Pressure (psi)120.00
Fluid to Air Ratio1:1
Air Inlet Size1/2" NPT(F)
Pump Inlet/ Outlet Size1.5" BSPT(F)
Max. Pump Speed200 cpm
Fluid Section MaterialStainless Steel
Centre Section MaterialStainless Steel Standard Air Valve
PortingStainless Steel Standard Porting (BSPT)
SeatsStainless Steel (316)
Manifold O-RingsPTFE
Certification RequiredATEX