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Goulds 1DW51C3EA, Submersible Dewatering Pump, Series 1DW, 1/2 HP, 230 Volts, 3 Phase, 72 GPM Maximum

SKU #: 1DW51C3EA
Brand: Goulds
In Stock! (Ships Today !) This item is In Stock at our warehouse distribution center. Stock orders placed Monday through Friday by 1:00 pm EST. will be shipped the same day. Orders placed Friday after 1:00 pm through Sunday will be shipped on Monday.
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 LIST PRICE 1,033.00
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Ship Weight (27.00 lbs)


Goulds 1DW Submersible Dewatering Pump

This pump is capable of handling up to 3/8" spherical solids.


  • AISI 304 SS open impeller
  • Diffuser plate made of AISI 304 stainless steel with polyurethane coating for maximum resistance to abrasion
  • AISI 304 stainless steel casing
  • Mechanical seal with silicon carbide sealing faces, all metal components of AISI type 300 stainless steel running in protected oil chamber
  • BUNA-N elastomers
  • AISI type 304 stainless steel high strength pump shaft with keyed and locking cap screw impeller fastening
  • Air filled class F insulated motor design for continuous use
  • Pump rating is within the motor's working limits and can be operated continuously without damage
  • Upper and lower heavy duty ball bearing construction
  • Handle made of stainless steel (AISI 304) and coated with polyacetalic resin
  • Overload protection must be provided in starter unit
  • Power cord supplied with bare leads


  • Handling dirty waters
  • Draining ditches and pits
  • Excavating in the building trades
  • Water transfer
  • Industrial water drainage or transfer


Mfg. Number1DW51C3EA
Product TypeSubmersible dewatering pump
ApplicationDrainage, water transfer
Horsepower1/2 HP
Voltage230 Volts
Frequency60 Hz
Speed3450 rpm
Thermal ProtectionNo
Pump Body / Motor CasingStainless steel (AISI 304)
Impeller TypeOpen
Impeller MaterialStainless steel (AISI 304)
Discharge Size1-1/2" NPT
Maximum Flow72 gpm
Maximum Head36 ft
Maximum Solids Handling3/8"
Maximum Submergence23 ft
Maximum Current2.5 Amps
Maximum Temperature120°F
Power Cord Length30 ft

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Related Parts

The Goulds 1DW dewatering pumps are some of the finest, most well-constructed dewatering pumps on the market today. This pump series is specifically designed for handling dirty waters, draining ditches and pits, excavating in the building trades, industrial water drainage and general water transfer applications. For the series in general, the Goulds 1DW pumps can range up 100 GPM, reach maximum heads up 66 ft. TDH and can pass water with ⅜” spherical solids. The Goulds 1DW submersible pumps can be submerged up to 23 ft. and can withstand temperatures up to 120°F.  The construction is rugged and sturdy with the volute, open impeller, pump shaft and diffuser plate all made of AISI 204 stainless steel. The handle is the same but coated with polyacetalic resin. The mechanical seal has silicon carbide sealing faces. Both single and three phase models available. All pumps listed below come with a 30 ft. power cord. Single phase models have molded NEMA plugs and built-in capacitors while three phase models have bare leads.

Goulds 1DW Dewatering Pump

Goulds 1DW Dewatering Pump

Model Discharge HP Voltage Phase GPM Max. Head
1DW51C4EA 1.5" NPT 1/2 460 3 72 36'
1DW51C3EA 1.5" NPT 1/2 230 3 72 36'
1DW51C0EA 1.5" NPT 1/2 115 1 72 36'
1DW51C1EA 1.5" NPT 1/2 230 1 72 36'
1DW51D3EA 1.5" NPT 3/4 230 3 86 44'
1DW51D4EA 1.5" NPT 3/4 460 3 86 44'
1DW51D1EA 1.5" NPT 3/4 230 1 86 44'
1DW51E3EA 1.5" NPT 1 230 3 92 52'
1DW51E4EA 1.5" NPT 1 460 3 92 52'
1DW51E1EA 1.5" NPT 1 230 1 92 52'
1DW51F3EA 1.5" NPT 1.5 230 3 112 66'
1DW51F4EA 1.5" NPT 1.5 460 3 112 66'
Performance Curve

Dimensions Diagram

Goulds 1DW Technical Brochure
Goulds 1DW Instructions Manual
Goulds 1DW Repair Parts List

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