ACn
EN733 Centrifugal Pump
EN733 standardized centrifugal pump, designed for clean water transfer in a wide range of water-related applications. Built for efficiency and durability, it is available in free-shaft and on-baseplate versions, with robust cast iron construction and compatibility with EN 12756 mechanical seals. Ideal for water supply, cooling circuits, irrigation, and more.
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Description
Description
- EN733 standardised centrifugal pump ideal for transferring clean water.
- Dimensions and hydraulic performance according to EN733 standards.
- Suitable for a wide range of applications, including water supply, cooling circuits, swimming pools, drainage and irrigation systems, fire-fighting booster sets, air-conditioning installations, and more.
- Versions available:
- EL-Bare Shaft version with no motor attached.
- SB-On Basepalte version with motor coupled to the pump by simple elastic coupling or with spacer, for a Back Pull-out system, that facilitates maintenance and cleaning of the unit.
¡A monobloc version is also available. Explore our MACn series for more options!!
- Made of cast iron construction, with the option to supply in alternative metallurgies suitable for the specific transfer fluid.
- Compatible with any standardized mechanical seal to EN12756, tailored for the fluid to be pumped.
- Equipped with an integral bearing support to enhance equipment stability, extending the service life of the assembly.
- On request:
- The impeller can be supplied in other metallurgies compatible with the fluid.
- Special configurations for ATEX explosive atmospheres are available.
- Can be factory fitted with a 60 Hz motor.
For any other custom requirements or special designs, please contact our technical team.
Standard materials
| Pump volute | GG-20 Cast Iron |
| Impeller | GG-20/Bronze/Ac. Inox |
| Pump shaft | F-114/AISI 316 |
| Bearing bracket | GG-20 Cast Iron |
| Mechanical seal | EN 12756 std., depending on the application |
| Bearings | Standard deep groove ball bearings |
Motor technical data
| Motor | Three-phase motor according to IEC standards |
| Efficiency | IE2 or IE3 for power > 1CV IE1 if power < 1hp Can be supplied up to IE5. |
| Tension | Three-phase 230/400 V ± 10% up to 5.5 hp Three-phase 400/690 V ± 10% from 7.5 HP upwards |
| Poles | 2 and 4 |
| Level of protection | IP55 |
| Insulation | F Class |
Usage limits (at 50Hz)
| Range of flow rates | Models up to 800 m3/h |
| Range of pressures | Models up to 15 bar |
| Max. Working pressure | 16 bar |
| Max. Working Temperature | 150ºC |
