Module 3 2 Vertical Pump Construction CENTRIFUGAL PUMP

Module 3. 2 Vertical Pump Construction CENTRIFUGAL PUMP Module 3. 2 Vertical Pump Construction www. cryostar. com contact@cryostar. com 1

Module 3. 2 Vertical Pump Construction Main Uses are: Air separation Liquefaction plants. Various applications: Internal compression Crude argon recycling Re-injection Back-up 2

Module 3. 2 Vertical Pump Construction Reminders Labyrinth Impeller diameter VP Material 8/145/4 L-3, 0 C/0 8 stages Impeller tipwidth Speed*100 Vertical 3

Module 3. 2 Vertical Pump Construction 4

Module 3. 2 Vertical Pump Construction 5

Module 3. 2 Vertical Pump Construction 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 (50/60 Hz) or variable speed 6

Module 3. 2 Vertical Pump Construction VP construction Drive shaft with coupling Shaft seals : Labyrinth Mechanical Gas seal Dual Gas seal Total mass supported by mounting flange 7

Module 3. 2 Vertical Pump Construction: Warm box (Intermediate piece on VP) Outlet of the labyrinth heating coil grease retainer chamber coupling leak detector 8

Module 3. 2 Vertical Pump Construction: Warm box (cont’d) 9

Module 3. 2 Vertical Pump Construction: Warm box (cont’d) Heater on motor side 10

Module 3. 2 Vertical Pump Construction: Cold end vent inducer diffusor impeller outlet inlet 11

Module 3. 2 Vertical Pump Construction: Cold end (cont’d) 12

Module 3. 2 Vertical Pump Construction: Cold end (cont’d) 13