R-EL (SB)
Bare shaft gear pump
Bare shaft gear pump mounted on a baseplate with an electric motor attached.
The self-priming pump, with quiet helical gears, incorporates a pressure safety valve.
it is suitable for transferring fuel oils, lubricants and animal or vegetable fats.
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Description
Description
- Bare shaft gear pump, mounted on a baseplate with a electric motor attached with an elastic coupling.
- The helical gears allow a smoother and quieter operation of the pump.
- It is a self-priming pump. That is to say, with the installation empty, the pump is able to aspirate the liquid causing a vacuum pressure in the suction pipe.
- The design integrates a safety valve in the gear casing that is capable of relieving the pressure in case the working limits are exceeded.
- Suitable for transferring fuel oils, lubricants, animal or vegetable fats and others.
- The series is available in EL-Bare shaft without motor (R-EL) or SB-On basepalte with an electic motor attached with an elastic coupling (R-EL SB)
- Sealing solution by means of a mechanical seal or lip seals depending on the model, in accordance with the application.
- The SB-On baseplte version with motor includes a bare shaft gear pump mounted on a sturdy metal sheet baseplate with its motor attached by means of a properly protected felxible coupling.
- Lastly, the R-EL (SB) series can be installed in explosive atmospheres in accordance with ATEX directives.
For monoblock versions, see the R and R-U series.
Materials
| Pump casing | GG-25 |
| Gears | Treated steel |
| Pump shaft | F-114 |
| Pump front cover | GG-25 |
| Pump rear cover | GG-25 |
| Sealing solution | Mechanical seal or lip seals depending on the model |
Technical data (R-EL SB)
| Motor | Single-phase or three-phase according to IEC 60034-30 standards |
| Efficiency | IE2 or IE3 for power > 1 HP IE1 if power < 1 HP It can be supplied up to IE5. |
| Tension | Single-phase 230V ± 10% up to 1 HP Three-phase 230/400 V ± 10% up to 5.5 HP Three-phase 400/690 V ± 10% from 7.5 HP upwards |
| Poles | 4 or 6 depending on the model |
| Level of protection | IP55 |
| Insulation | F class |
Usage limits
| Range of flow rates | From 220 to 40000 l/h |
| Range of pressures | Up to 10 bar depending on the model |
| Max. Working pressure | 12 bar |
| Max. Working temperature | 110ºC |
| Max. Height suction | 7 m |
