20U - Series DIU Square Flange Internal Gear Pump

20U - Series, DIU, Square Flange, Internal Gear PumpSquare Flange Pump Sizes 10, 15, 20, 24, 30, & 40 gpm

Haight offers six sizes of pumps in the square flange DIU-Series. All sizes are available with a bolt-on Relief Valve which can function in either a return to suction, or return to tank mode. All DIU-Series pumps are interchangeable with earlier D & DR Series pumps.

Compact, rugged, and easy to maintain, these positive displacement pumps are ideally suited to close-coupled mounting to the motor or footed mounting. Haight Pumps bolt-on footed brackets match standard NEMA motor height eliminating pump or motor shimming. Each bracket size is designed to align the pump and motor shaft heights without shim blocks.


  • Capacity range is: Not Available
  • Construction Material: Ductile Iron
  • Capacity (max): 20 gpm
  • Discharge Pressure (max): 250 psi
  • Temperature: 625ºF

Haight Internal Gear Pumps