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

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BBS and CD between bearings single stage pumps – Thetys Pumps
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BBS and CD between bearings single stage pumps

Thetys Pumps / Products  / Pumps  / Single stage centrifugal pumps  / API 610 and ISO 13709 pumps / BBS and CD between bearings single stage pumps

BBS and CD between bearings single stage pumps

Customized solutions for high-pressure jobs

The BBS and CD models are API 610 (ISO 13709) Type BB2, single stage, radially split pumps. They offer the widest range of hydraulic performance in the industry.

Main benefits
  • Centerline support for reduced thermally induced misalignment
  • Double suction impeller for low NPSH3
  • First critical speed is well above operating speed range for smooth operation
  • Casing designed for 2 times API 610 nozzle loads for freedom from piping distortions
  • Grouted or ungrouted, 1x or 2x nozzle load baseplates for reduced installation cost
Main applications
  • Low pressure unit charge
  • Atmospheric or vacuum bottoms
  • Fractionator bottoms
  • High temperature oil sands processing with abrasive resistant coatings
  • Boiler feed booster

The double suction impeller provides reduced NPSH3 for tough services in refineries and other critical applications. The CD can be custom engineered for high pressure, special hydraulics and special nozzle locations.

Main design features
  • Centerline supported casing with top / top nozzles; side / side nozzles optional
  • Thermal expansion features
  • Staggered vane double suction impeller on larger sizes
  • Proven Coke Crusher option
  • SUME coatings for abrasion resistance
Key characteristics
Capacities Up to 7,000 m3/h / 30,000 USgpm
Heads Up to 800m / 2,600 ft
Pressures Up to 50 bar / 740 psi
Temperatures Up to 425 °C / 800 °F
Discharge sizes From 150 to 600 mm / 6 to 24 inches
Maximum speed of rotation Up to 5,500 rpm
Performance range
BBS Performance Range 50hz
Performance range 50 Hz
BBS Performance Range 60hz
Performance range 60 Hz

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