Thetys Pumps SRL
Tel: +40 744 595 445
Str. Teheran, nr. 11, sector 1,
011931 Bucuresti, Romania

Because life is fluid.


ENG  /  RO

SJS submersible pump – Thetys Pumps
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SJS submersible pump

Thetys Pumps / Products  / Pumps  / Vertical pumps  / Vertical wet pit pumps / 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).

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
SJS Performance Range 50Hz
Performance range 50 Hz
SJS Performance Range 60Hz
Performance range 60 Hz

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