Goulds 1DW51D4EA - 3/4 HP 460V Three-Phase Submersible Dewatering Pump

The Goulds 1DW51D4EA is a 3/4 HP, 460V three-phase submersible dewatering pump from Goulds 1DW Series, part of Xylem’s Goulds Water Technology line. It is rated to handle solids up to 3/8" spherical through a 1-1/2" NPT discharge, running at 3450 RPM. The table below shows this pump’s flow rate at four fixed total dynamic head (TDH) points, so you can match it to your specific lift and distance requirements.

• Horsepower: 3/4 HP
• Voltage / Phase: 460V Three-Phase, 60 Hz
• Speed: 3450 RPM
• Discharge: 1-1/2" NPT
• Solids Handling: 3/8" spherical
• Max. Submergence / Working Pressure: 23 ft
• Liquid Temperature: 120°F (50°C) maximum
• Power Cord: 30 ft

Flow Rate at Fixed Head (TDH):

• 10 ft. TDH: 85 GPM
• 15 ft. TDH: 79 GPM
• 20 ft. TDH: 71 GPM
• 25 ft. TDH: 64 GPM

Construction:

• Casing & Impeller: AISI 304 stainless steel, open impeller design
• Diffuser Plate: AISI 304 stainless steel with polyurethane coating for maximum resistance to abrasion
• Shaft: AISI 304 stainless steel, high-strength, with keyed and locking cap-screw impeller fastening
• Mechanical Seal: silicon carbide vs. silicon carbide sealing faces, 300-series stainless steel metal parts, BUNA-N elastomers, running in a protected oil chamber
• Bearings: upper and lower heavy-duty ball bearings
• Motor: air-filled, Class F insulated design for continuous duty

Applications: Handling dirty water, draining ditches and pits, excavating in the building trades, water transfer, and industrial water drainage or transfer.

Warnings: This pump must be connected to electrical service protected by a Ground Fault Circuit Interrupter (GFCI) where required by code. Failure to do so may result in serious personal injury or death and property damage.

Do not run this pump dry for extended periods or operate it outside its rated flow and head range. Follow the manufacturer’s wiring, grounding, and float-switch/control-panel instructions for your specific installation.