Main applications wkta
- Energy
- Nuclear Power Stations
- Turbine Island
Technical data
- Q max 1,800.0 m³/h
- H max 340.0 m
Design wkta
Vertical, single- or multistage, barrel pull-out, ring-section pump for underfloor installation on a base frame in pump sump, radial and mixed flow impellers, single- and double-entry suction impellers, flanges to DIN or ANSI, also available in re-entry design.
Application pump wkta
Pumping condensate in power stations and industrial systems.
Drive pump wkta
Direct by vertical electric motor.
The motor is arranged on a motor stool above the pump
Desing Details pump wkta
Bearings, Lubrication
Medium–lubricated radial plain bearings inside the pump.
Combined radial/axial thrust bearing assembly with oil–bath lubrication arranged above the shaft seal.
Axial Thrust Balancing
Hydraulic balancing by means of two casing wear rings and balancing holes in the impeller.
Shaft Seal
Gland packing or double–acting mechanical seal
in tandem arrangement.
In the shaft seal area, the shaft is provided with a replaceable shaft sleeve.
Nozzle Position
Horizontal, above the installation floor.
Flanges
Connection dimensions to DIN or ASME.
Design
Vertical, can–type ring–section pump.
Radial and mixed flow impellers, multistage.
Single– and double–entry suction impellers
Overview of technical data wkta
| Q (50Hz) | 310.0 – 1,800.0 (m³/h) |
| H (50Hz) | 50.0 – 340.0 (m) |
| Type of bearing | Rolling element and plain bearings |
| Casing partition | Radially split |
| Diffuser material (EN standard) | CHROMSTAHLGUSS, GRAUGUSS |
| Drive frequency | 50 Hz /60 Hz |
| Type of drive | Electric motor |
| Drive voltage | Low voltage, high voltage |
| Type of first impeller | Single entry / Double entry |
| No. of impeller entries | Single / Double entry |
| Other impeller types | Radial / Mixed flow |
| Impeller material (EN standard) | GRAUGUSS, CHROMSTAHLGUSS |
| Type of installation | Long-coupled |
| Type of coupling | Direct |
| Type of lubrication | Oil / Product lubrication |
| Discharge casing material (EN standard) | STAHLGUSS |
| Max. permissible fluid temperature | 100.0 (°C) |
| Guaranteed to be silicon-free | Yes |
| Nozzle position | Side-side |
| Maximum operating pressure | PN 40 |
| Pump set location | Dry installed |
| Shaft material (EN standard) | CHROMSTAHL, KOHLENSTOFFSTAHL |
| Stage casing material (EN standard) | STAHLGUSS |
| Suction characteristics | Non-priming |
| Type of impeller | Mixed flow impeller, Radial, Closed |
| Type of connection | Flange |
| Type of discharge casing | Annular casing |
| Type of stage casing | Stage casing with / without diffuser |
| eClass assignment | 36410000, 36410100, 36410106, 36410101 |
| Installation position | Vertical |
| Shaft seal type | Gland packing, Mechanical seal |
| Main applications | Water, Energy |
| Casing material | Carbon steel |
| Maximum discharge-side pressure | 40.0 (bar) |
| Maximum suction pressure | 3.0 (bar) |
| Maximum drive rating | 1800.0 (kW) |
| Type of installation | Stationary |
| Maximum speed of rotation | 1800.0 (1/min) |
