Dewatering Pumps February 2011

Select from a range of pump types and sizes to match your jobsite dewatering needs.

Construction and Multipurpose Pumps
Construction and Multipurpose Pumps

Construction and Multipurpose Pumps


This line of portable pumps includes models with discharge capacities from 80 to 433 gpm.

  • Easy-starting, 163- to 337cc OHV commercial-grade engines
  • Trash pumps feature a conical-shaped cast iron impeller, Silicon carbide mechanical seals and can pump solids up to 1 1/16 in. in diameter
  • WDP30X diaphragm pump has a special rock channel that allows up to 2.4-in.-diameter solids to easily pass
  • WMP20XA offers EPDM seals for chemical resistance, a reinforced thermoplastic pump housing and impeller and full frame protection with vibration-damping mounts



American Honda Motor Co.

Wet-Prime pumps


Wet-prime pumps are available in dewatering, trash, diaphragm, plastic and pressure models with Honda gasoline engines.

  • Maximum heads to 285 ft.
  • Maximum flows to 422 gpm
  • Semi-trash dewatering pumps suited for light abrasives and small solids
  • Trash pumps handle solids from 1 to 2 in. in diameter
  • Diaphragm pumps offer 2-in. solids-handling capability, yet weigh only 135 lbs.


Godwin Pumps of America, Inc.



The 3-in. model PAV3B60C-3TNV70 diesel engine-driven pump allows for flows to 450 gpm and heads to 130-ft. TDH, while passing 3-in. solids.

  • Patent-pending "Staggerwing" vortex impeller allows for large-diameter solids handling
  • Powered by a Yanmar water-cooled diesel that is EPA certified to meet Interim Tier IV emission standards


Gorman-Rupp Co., The

HD6 Pipeline Pump


The all-purpose, fully automatic, 6-in. HD6 Pipeline pump produces flows past 2,700 gpm and heads to 165 ft., and is able to pass 3-in. solids.

  • Hydraulic efficiency at BEP of 80% correlates to lower fuel costs and a smaller carbon footprint
  • 70-gal. galvanized fuel tank with a 24-hour-plus run time
  • Self-contained galvanized drag skids hold any liquids that may drip from the radiator, fuel tank or engine
  • Primes from totally dry conditions and will continue to draw a vacuum when re-priming is required


Rain For Rent

Self-priming Pumps


These self-priming pumps are designed for use in construction site dewatering, refineries, chemical facilities and wastewater treatment plants.

  • Sizes from 3 to 6 in. with a maximum flow range of 450 to 1,700 gpm
  • Low maintenance with easy access via a large cleanout port
  • Emergency shutdown features




Compact Pump Series


The Compact diesel-drive portable pump series offers the benefits of the JSC series, yet is 35% smaller and 20% lighter with fewer parts and less maintenance.

  • Available in 4- and 6-in. sizes
  • Handles up to 3-in. solids
  • 24-hour run time fuel tank
  • Includes Enviroprime system to keep pumpage from discharging into the environment
  • Available with automatic start/stop and Silent Knight sound attenuation


Thompson Pump & Mfg. Co., Inc.

Submersible Pumps


This line of submersible pumps includes diesel-driven, hydraulic-driven or electric models from 1 to 24 in.

  • Deliver from a few gallons to thousands of gallons per minute, with head conditions from a few feet to several hundred feet.
  • Capable of handling clean water, gray water or trash-laden effluent
  • Electric models available in 120-volt, single-phase and 230- to 460-volt three-phase versions
  • 77-hp, 10-in. electric submersible capable of flows up to 5,500 gpm, up to 90 ft. of head and 5-in. solids-handling capacity


Griffin Pump & Equipment

Dewatering and Sludge Pumps


Five models of dewatering and sludge pumps offer continuous operation at low water levels and extended dry runs without overheating the motor.

  • DC totally enclosed, submersible delivers up to 43 gpm, and operates on any 12-volt battery
  • Deluxe model has a 60-ft. shutoff head and a 110-volt, single-phase motor
  • Standard model offers easy disassembly with one 12mm box/socket wrench
  • Low Water model pumps down to 3/16 in.
  • Sludge model moves standing water containing sand, solids, leaves or debris at a maximum of 50 gpm


Allegro Industries

Trash Pumps


These self-priming centrifugal-type pumps are available in models with 2-, 3- and 4-inch discharge outlets.

  • Subaru overhead cam or overhead valve gasoline engines rated from 6.0 to 11 hp
  • Delivery volumes ranging from 185 to 528 gpm
  • 3- and 4-in. models handle solid debris up to 1 1/4 in. in diameter
  • Feature a hardened cast-iron volute, abrasion-resistant, cast-iron three-blade impeller and replaceable wear plate, aluminum die-cast housing and heavy-duty steel roll cage


Subaru Robin