Rodelta KBDS,KBDD (BB5 pump)

Features: KBDS,KBDD (BB5 pump)

• According API 610 (BB5 pump)
• Cartridge Design – Removal of entire rotor with inner casings without disturbing suction or discharge piping and motor
• Multistage, double casing between bearing pump with 1st stage single suction (KBDS) / double suction (KBDD) impeller – API BB5 category
• Casing with top-top nozzle orientation
• First stage impeller designed to achieve minimum NPSH(R). Option of first stage double suction impeller is also available to still have better NPSH(R)
• Casing with centerline mounting
• Casing radially split with metal to metal joint having confined controlled compression spiral wound metallic gasket grafoil filled
• Enclosed impellers with wear rings
• Inner casings with diffuser design having wear rings
• Axial thrust balancing is by balance disc, double piston or straight piston to suit various applications
• Impellers are keyed to the shaft and individually located on shaft via split rings
• Cartridge type mechanical seals at DE and NDE as per API 682
• Taper shaft under coupling for easy removal of coupling
• Rotor supported in Roller- Ball or Sleeve -Ball arrangement depending on driver power rating. Hydrodynamic radial and thrust bearing in very high energy density pumps

–  DE – Roller bearing
– NDE – Pair of angular contact ball bearing in back to back arrangement
OR
– DE – Sleeve bearing
– NDE – Sleeve bearing and a pair of angular contact ball bearing in back to back arrangement

• Thrust bearing located on the shaft with a lock washer and a lock nut
• Bearings with oil rings lubrication and constant level oiler
• Bearing housing includes labyrinth type end seals

Optional features

• Hydrodynamic Radial and Thrust bearing arrangement with external pressure lubrication
• Fan cooled bearing housing / water cooled bearing housing
• Pure / purge mist lubrication arrangement
• Side – Top or Side – Side nozzle orientation with near centerline casing support

Applications:

• High pressure fluid handling in oil refineries and petrochemical industry.
• MP and HP boiler feed applications.
• Light hydrocarbons and liquid gas transfer applications.
• Sea water injection applications in oil wells.
• Mine dewatering.
• Petroleum product pipeline booster applications.
• Pump as hydraulic power recovery turbine in water treatment plants.