Dewatering Pumps February 2011

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