Main applications hpk-l
- Auxiliary Systems
- Boiler feed systems
- Cooling water and condensate
- District heating
- Energy
- Industry engineering
- Nuclear Power Stations
- Power Stations < 100 MW
- Power Stations > 100 MW
- Special processes
- Steam and hot water, district heating
- Water treatment
Design hpk-l
Horizontal radially split volute casing pump in back pull-out design to ISO 2858 / ISO 5199, single-stage, single-entry, with radial impeller. Equipped with heat barrier, seal chamber air-cooled by integrated fan impeller, no external cooling. ATEX-compliant version available.
Application pump hpk-l
Pumping hot water and thermal oil in piping systems or tank systems, particularly in medium-sized and large hot-water heating systems, forced circulation boilers, district heating systems
Technical data
- Q max 1,400.0 m³/h
- H max 233.0 m
desing pump hpk-l
▪ Volute casing pump
▪ Horizontal installation
▪ Back pull-out design
▪ Single-stage
▪ Meets the technical requirements to ISO 5199
▪ Dimensions and ratings to ISO 2858 complemented by pumps of nominal diameters DN 25, DN 200 and above
Pump casing
▪ Single or double volute, depending on the pump size
▪ Radially split volute casing
▪ Volute casing with integrally cast pump feet
▪ Replaceable casing wear rings (as required)
Impeller type
▪ Closed radial impeller with multiply curved vanes
Shaft seal
▪ KSB mechanical seal, optimised for installation in an HPK-L pump, with integrated shaft sleeve (standard Europe)
▪ Optional commercial single mechanical seals with replaceable shaft sleeve (standard Asia/Americas)
▪ Versions with two mechanical seals can be supplied for heat transfer applications.
Bearings
Bearings:
▪ Version with single mechanical seal
– Radial bearing: plain bearing, product-lubricated
– Fixed bearings: two angular ball bearings, greasepacked
▪ Version with two mechanical seals
– Radial bearing: plain bearing, product-lubricated
Overview of technical data hpk-l
| Q (50Hz) | 1.0 – 1,400.0 (m³/h) |
| H (50Hz) | 3.5 – 233.0 (m) |
| Type of bearing | Rolling element and plain bearings |
| Casing partition | Radially split |
| Drive frequency | 50 Hz /60 Hz |
| Type of drive | Electric motor |
| Drive voltage | Low voltage |
| No. of impeller entries | Single entry |
| Impeller material (EN standard) | 1.4408, EN-GJL-250 |
| Type of installation | Long-coupled |
| Type of coupling | Direct |
| Type of lubrication | Grease / Product lubrication |
| Max. permissible fluid temperature | 400.0 (°C) |
| Nozzle position | End suction |
| Maximum operating pressure | PN 40 |
| Pull-out design | Yes |
| Pump set location | Dry installed |
| Shaft material (EN standard) | 1.4021+QT800 |
| Suction characteristics | Non-priming |
| Type of casing | Volute casing |
| Type of impeller | Closed, Radial |
| Type of connection | Flange |
| UNSPSC classification | 4015150300 |
| Casing material (EN standard) | 1.7706, GP240G+N |
| eClass assignment | 36410101, 36410000, 36410100 |
| Installation position | Horizontal |
| Main applications | Industry and process engineering, Energy |
| Casing material | Cast steel |
| Maximum discharge-side pressure | 40.0 (bar) |
| Maximum drive rating | 500.0 (kW) |
| Type of installation | Stationary |
| Maximum speed of rotation | 3600.0 (1/min) |
