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ISO 2858 standardized centrifugal pump for heat transfer fluid (350ºC)
ISO 2858 standardized centrifugal pump for heat transfer fluid installations in the industry sector up to temperatures of 350ºC.
The unit equips an NV-2 Type mechanical seal. It also incorporates an oil-lubricated bearing bracket.
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Description
Description
- ISO 2858 standardized centrifugal pump for heat transfer fluid (350ºC).
- It is suitable for any heat transfer fluid application in industry up to temperatures of 350ºC. It is also appropriate for other high temperature applications with other types of fluids, such as superheated water.
- 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.
- NV-2 Type mechanical seal , according to EN12756 standards, with independent direction of rotation.
- A finned heatsink casing has been designed to considerably reduce the working temperature of the pump in the area of the mechanical seal and bearings, ensuring their optimum performance and extending the useful life of the assembly.
- It incorporates an oil-lubricated bearing housing away from the high temperature zone, and incorporates a front bearing that acts as a restrictive ring and also provides stability to the assembly.
- Possibility of installation in explosive atmosphere in accordance with ATEX directives.
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Materials
| Pump casing | GGG-40 ductile cast iron |
| Impeller | GG-20 cast iron |
| Pump shaft | AISI 420 |
| Heatsink casing | GGG-40 ductile cast iron |
| Mechanical seal | NV-2 Type (EN 12756) |
| Bearings | Standard deep groove ball bearings |
Technical data
| Motor | Three-phase according to IEC standards |
| Efficiency | IE2 or IE3 for power > 1 HP IE1 if the power < 1 HP It 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 or 4 depending on the model |
| Level of protection | IP55 |
| Insulation | F Class |
Usage limits
| Range of flow rates | Up to 210 m3/h depending on the model |
| Range of pressures | Up to 10 bar depending on the model |
| Max. Working pressure | 16 bar |
| Max. Working temperature | 350ºC |
