Sterling Pumps can produce custom manufactured specialty submersible motors to suit your most demanding applications for harsh waters, seawater, acidic water and hot water.

Our custom built submersible motors are successfully installed and operated around the world in mining and offshore Oil and Gas applications.

Custom builds can feature;

• 6” through to 20″
• 2.2 kW through to 600kW
• NEMA or custom mounting connections
• Silicon Carbide mechanical seal, other materials on request
• Kingsbury style thrust bearings
• Water filled and lubricated
• Rewindable designs
• Suitable for use with Variable Frequency Drives (VFD)
• 6 wire Star Delta windings available
• Optional RTD’s and Pt100 can be installed
• Longer motor leads available
• 4 pole motors in 8”, 10”, 12” and 14” available
• High Voltages, 690V, 1,000V, 2,300V and 3,300V available
• High water temp up to 105°C and high voltages with PE2 windings
• 60 Hertz motors

• Special material constructions for 6” to 20”;
  • 904 – Duplex Stainless steel, S2205
  • Super Duplex Stainless Steel S2507
  • Zeron 100
  • Nickel Aluminium Bronze
  • Copper Nickel CuNi 90/10
  • Inconel 625