CENTRIFUGAL PUMP Module 3.2 Vertical Pump Construction www.cryostar.com contact@cryostar.com
Various applications: Main Uses are: Air separation Liquefaction plants. Various applications: Internal compression Crude argon recycling Re-injection Back-up
VP 8/145/4L-3,0 C/0 Reminders Labyrinth Impeller Material diameter 8 stages Speed*100 Impeller tipwidth Vertical
Principles Vertical pumps divided in Three parts: Cold End Warm box or Intermediate piece Motor Side Single and Multi stage pumps Cold box installation with thermal barrier All seal types available Cold end with direct coupled motor. Synchronous speed (50/60Hz) or variable speed
VP construction Drive shaft with coupling Shaft seals : Labyrinth Mechanical Gas seal Dual Gas seal Total mass supported by mounting flange
Construction: Warm box (Intermediate piece on VP) Outlet of the labyrinth heating coil grease retainer chamber coupling leak detector Le serpentin sert à vaporiser le mélange N2 et fluide qui pourrait encore être sous forme liquide
Construction: Warm box (cont’d)
Construction: Warm box (cont’d) Heater on motor side
Construction: Cold end inducer diffusor impeller outlet vent inlet
Construction: Cold end (cont’d)
Construction: Cold end (cont’d)