1. CENTRIFUGAL PUMP Module 3.2 Vertical Pump Construction

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

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

6. 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

7. VP construction Drive shaft with coupling Shaft seals :
Labyrinth
Mechanical
Gas seal
Dual Gas seal
Total mass supported by mounting flange

8. 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

9. Construction: Warm box (cont’d)

10. Construction: Warm box (cont’d)
Heater on motor side

11. Construction: Cold end
inducer
diffusor
impeller
outlet
vent
inlet

12. Construction: Cold end (cont’d)

13. Construction: Cold end (cont’d)