Main applications wktb
- Cooling water and condensate
- Energy
- Nuclear Power Stations
- Power Stations < 100 MW
- Power Stations > 100 MW
- Turbine Island
Technical data
- Q max 1,500.0 m³/h
- H max 370.0 m
Design wktb
Vertical can-type ring-section pump on base frame, multistage, first-stage impeller designed as a double-entry suction impeller, radial impellers. Flanges to DIN or ANSI.
Application pump wktb
Pumping condensate in power stations and industrial plants.
Drive pump wktb
▪ Electric motor, type of construction V1
▪ Vertical installation
Desing Details pump wktb
Design
▪ Vertical ring-section pump
▪ Can-type pump design
▪ Multistage
▪ Radial hydraulic systems
▪ Single-entry impellers (subsequent stage(s))
▪ Double-entry impellers (suction stage)
Balancing device
WKTB 6:
▪ Axial thrust balancing by balance drum
WKTB 7 to 9:
▪ Axial thrust balancing by hydraulically balanced
impellers
of the subsequent stages
Shaft seal
▪ Gland packing
▪ Single mechanical seal, or double mechanical seal in tandem arrangement (both in cartridge design)
▪ Barrier fluid line
Coupling
Drive coupling:
▪ Flexible coupling
▪ Flexible disc coupling
▪ Slip clutch
▪ Gear coupling with grease fill
▪ Flexible spacer-type coupling
Spacer-type coupling:
▪ Additional coupling with removable spacer
Bearings
Radial bearings:
▪ Product-lubricated plain bearing
Combined thrust and radial bearing:
▪ Rolling element bearing or pivoted segmental thrust
bearing
▪ Oil bath lubrication
▪ Air-cooled (WKTB 6) / water-cooled (WKTB 7 – 9)
Nozzle position
▪ Horizontal above the installation floor
▪ 180° opposite to each other
▪ Optionally suction nozzle arranged below floor
Overview of technical data wktb
| Q (50Hz) | 360.0 – 1,500.0 (m³/h) |
| H (50Hz) | 90.0 – 370.0 (m) |
| Type of bearing | Rolling element and plain bearings |
| Drive frequency | 50 Hz /60 Hz |
| Type of drive | Electric motor |
| Drive voltage | Low voltage, high voltage |
| Type of installation | Long-coupled |
| Type of coupling | Direct |
| Type of lubrication | Oil / Product lubrication |
| Max. permissible fluid temperature | 100.0 (°C) |
| Guaranteed to be silicon-free | Yes |
| Pump set location | Dry installed |
| Installation position | Vertical |
| Shaft seal type | Gland packing, Mechanical seal |
| Main applications | Water, Energy |
| Maximum discharge-side pressure | 40.0 (bar) |
| Maximum drive rating | 1500.0 (kW) |
| Type of installation | Stationary |
| Maximum speed of rotation | 1800.0 (1/min) |
