Customers throughout the Mid Atlantic rely on Duff Co. as a full-line supplier of reliable water cycle products such as Liberty Pumps—from water distribution to raw water intake, drinking water treatment, wastewater treatment, and flood control. Customers rely on our generations of expertise in choosing the right product for their application at the right price point.

Whether you need a small sump pump, operate a municipal pumping station requiring a fully-customized, large-scale system or you need prefabricated submersible pumps for sewage stations… we can help.

If you manage vast flows of surface or storm water and need large axial and mixed-flow pumps that can cope with volume… we can help.

If you deal with small amounts of water and need sewage grinder pumps for pressurized systems… we can help.

Even if you need sump pumps on hand to help your residential customers after heavy storms, pumps for small lifting stations that transport effluent away from buildings, grinder pumps for the toughest applications, or any variety of sump, sewage and effluent pumps… we can help.

These are only a few of the outstanding products customers rely on every day for their pumping needs:

Liberty Pump Systems:

Pro380-Series Simplex Sewage System

  • 2″ or 3″ discharge
  • 24″ x 24″ basin
  • Perfect for bedrock and difficult soil conditions
  • 41 gallon capacity and longer pump cycles for extended pump life
  • Arrives from the factory pre-assembled, saving time at the job site
  • Now available “alarm-ready” with pre-mounted alarm floats
  • Three-year warranty

LowPro-Series: Low Profile Sewage System

  • 2″ solids handling
  • An easy solution for adding a basement bathroom
  • Sits directly on the floor! No need to break-up concrete.
  • Can be framed with standard 2″ X 6″ floor joists, concealing the unit for a finished appearance
  • Arrives fully assembled
  • Features a powerful internal spray that helps break down solids
  • Includes a split cover for easy access to the tank and switch without disturbing the discharge or vent pipe

700-Series: 24″ x 36″ Simplex Sewage System

  • 2″ or 3″ discharge
  • 2″ solids handling
  • 24″ X 36″
  • 70 gallon capacity
  • For multi-unit residential and commercial installations
  • Arrives fully assembled with specific Liberty Pumps LE, LEH or PRG-Series sewage pumps
  • Available with many options including 2″ or 3″ discharge and pre-mounted alarm floats

Liberty Pumps

LE100-Series: 1hp Submersible Sewage Pump

  • 1 hp
  • 2″ or 3″ discharge
  • 2″ solids handling
  • Constructed of heavy cast iron with a tough epoxy powder coat finish and stainless steel fasteners
  • Designed for years of trouble-free performance
  • Quick-connect power cord allows for easy interchange, available in 10′, 25′, 35′, and 50′ lengths
  • The LE100 can be ordered in 2″ or 3″ discharge configurations and a wide range of voltages

XLE100: 1hp Explosion-Proof Submersible Sewage Pump

  • 1 hp
  • 2″ or 3″ discharge
  • 2″ solids handling
  • Constructed of heavy cast iron
  • Explosion-proof, for use in hazardous locations.
  • Class 1, Division 1 Groups C & D and Class 1, Zone 1 and Group IIA and IIB certified
  • Providing a dual 2″ or 3″ discharge, 2″ solids handling, and 2 vane semi-open cast iron impeller
  • Abronze impeller is optional for this model

Liberty Pumps is a U.S. manufacturer of more than 1,500 models of pump products, and 90% of those products meet the requirements of the Buy American Act. Their products are also compliant with the 2009 American Recovery and Reinvestment Act (ARRA).

If you have questions about Liberty Pumps or would like to request a quote, contact us today!