SJS SUBMERSIBLE PUMP

SJS SUBMERSIBLE PUMP

Power up: submersible motor 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).

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Description

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

Capacities Up to 10,000 m3/h / 44,000 US gpm
Heads Up to 230m / 750 ft
Pressures Up to 40 bar / 600 psi
Temperatures Up to 80°C / 180°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

Performance range 60 Hz

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