SJS Submersible Pumps

The SJS submersible pumps utilize a submersible motor to drive the Sulzer vertical pump stages. The normal vertical turbine lineshaft and bearings are thus eliminated and power levels to 2 MW (2,700 hp).


Supporting Documents:
Download: SJS Submersible Pumps


Main benefits

  • No lineshaft: lineshaft couplings or lineshaft bearings to maintain
  • No external cable splices: Power cable connections only in motor and terminal box
  • Low, medium and high voltage submersible motors available to 2 MW (2,700 hp)
  • Water/glycol filled environmentally friendly motor for improved efficiency
  • Variety of materials available from cast iron to super duplex stainless steellity

Main applications

  • Offshore Seawater Lift
  • Offshore Diesel Genset Firewater
  • Offshore Ballast Water
  • Onshore Municipal Pressure Boosting
  • Onshore Mine Dewatering

Main design features

  • Standard design with submersible motor below the bowl assembly for low cost
  • Inverted design with motor above bowl assembly for low NPSHr and low submergence
  • Bidirectional thrust bearing in submersible motor
  • Positive pressure in submersible motor for contamination prevention

Key characteristics


Up to 10,000 m3/h / 44,000 US gpm


Up to 230m / 750 ft


Up to 40 bar / 600 psi


Up to 80o C / 180o F

Discharge sizes Up to 915mm / 36 inches
Maximum speed of rotation Up to 3,600 rpm for smaller sizes

Performance range

Performance range 50 Hz

SJS Performance Range 50HzClick to zoom

Performance range 60 Hz

SJS Performance Range 60HzClick to zoom

Related Links

Switch to tab Documents

Learn more about this product on the Sulzer ABS website here:

Call toll-free 1-888-455-5744 or click here (for the contact page) to connect with a TDH associate.