Centrifugal cryogenic pumps CBS

Stationary or road tanker mounted CBS cryogenic pumps are used for liquid cryogenic products pumping under pressure of up to 50 bar.

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Peculiarities of CBS centrifugal cryogenic pumps:

  1. Front opening of housing which ensures easy and reliable replacement of mechanical seal without the need for readjustment of the run-out.  
  2. Composite mechanical seal (4 times longer life time than carbon seals), for CO2 application: special high pressure mechanical seal, for long life application: gas seal.
  3. High hydraulic efficiency closed impeller.
  4. Helical inducer allowing low required NPSH.  
  5. Splash lubricated gearbox with oxygen compatible oil.  
  6. Helicoidal gearwheels for low noise level.
  7. Pump support with 3 bearings: 2 for radial thrust and 1 for radial and axial thrust.

Heat inleak protection:

  • pump volute is connected to the electric motor by means of a spacer with four hollow connecting links;
  • hollow shaft minimizes heat transfer to the shaft;
  • thick plate with low thermal conductivity.
Applications stationary pump for liquid transfer, road tankers filling
Liquids pumped oxygen, nitrogen, argon, carbon dioxide, liquefied natural gas (LNG), nitrous oxide
Drive type gearbox
Design pressure up to 50 bar
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