MACn
EN733 Monobloc Centrifugal pump
The EN733 monobloc centrifugal pump is designed for clean water transfer, featuring a rigidly coupled motor for stability and durability. With cast iron construction, compatibility with EN12756 mechanical seals, and multiple installation options, it’s ideal for a wide range of applications. Custom configurations available on request.
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Description
Description
- The EN733 monobloc centrifugal pump is ideal for transferring clean water, delivering reliable performance across a wide range of applications.
- Hydraulic performance compliant with EN733.
- Desempeño hidráulico según normativa EN733.
- Versatile applications – Suitable for water supply, cooling circuits, swimming pools, drainage and irrigation systems, fire-fighting sets, air-conditioning, paint spray booths, and more.
- Rigid monobloc design: The motor is rigidly coupled to the pump and anchored via its flange for enhanced stability.
- Durable cast iron construction. Also available in alternative materials to suit different fluids.
- Flexible mechanical seal options: Compatible with any standard EN12756 mechanical seal to match the pumped fluid.
- Enhanced longevity: Integrated bearing support ensures greater stability and extends the lifespan of the assembly.
- Flexible installation – Can be mounted horizontally, vertically, or inclined. Important: Never position the motor below the pump!
- Available on request:
- Alternative impeller materials, including bronze and stainless steel.
- ATEX-compliant configurations for explosive atmospheres.
- Factory-fitted 60 Hz motors for specific requirements.
For any other request or custom design, please consult our technical team.
At Bomba Elias, we also offer a range of EN733 centrifugal pumps in bare-shaft and baseplate versions. Check out our ACn series!
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 (a 50Hz)
| Range of flow rates | Models up to 300 m3/h |
| Range of pressures | Models up to 9 bar |
| Max. Working pressure | 16 bar |
| Max. Working Temperature | -10ºC – 100ºC |
