Easy Maintenance Liquid Ring Vacuum Pumps With Motor Carrier Design
ELL series liquid ring vacuum pumps are displacement pumps of uncomplicated and robust construction with the following particular features.
Product Series :
ELL SeriesSuitable Media :
gasELL Series Easy Maintenance Liquid Ring Vacuum Pumps with Motor Carrier Design
EIFEL ELL Series liquid ring vacuum pumps are positive displacement pumps featuring a simple and robust design. They operate on a near-isothermal compression principle, ensuring oil-free and non-polluting performance as no lubrication enters the working chamber. These pumps are capable of handling a wide range of gases, vapors, and small quantities of entrained liquid.
Advantage
With a broad selection of materials available, they are suitable for diverse applications while ensuring the shaft remains isolated from the medium. Designed for reliability, they include standard protection against cavitation, an integrated dirt drain, and a no-metal-contact rotating assembly, all contributing to easy maintenance, low noise, minimal vibration, and smooth operation.
General Technical Data
|
Pump Model |
Unit | ELC 25 | ELC 50 |
ELC 90 ELL 90 |
ELC 125 ELL 125 |
ELC 150 ELL 150 |
ELC 250 ELL 250 |
ELC 325 ELL 325 |
ELC 425 ELL 425 |
|
| Synchronous | 50HZ or 60HZ | rpm |
3000 3500 |
1500 1750 |
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| Max. compression over atmospheric pressure | bar | 0.3 | ||||||||
| Max. admissible pressure difference | bar | 1.1 | ||||||||
| Test pressure above atmospheric pressure | bar | 1 | 3 | |||||||
| Moment of inertia of the rotating pump parts and water filling | kg.m2 | 0.003 | 0.0095 | 0.035 | 0.053 | 0.069 | 0.097 | 0.14 | 0.21 | |
| Noise level at a suction pressure of 80 mbar | dB (A) | 68 | 69 | 72 | 76 | 78 | ||||
| Max. gas temperature | Dry gas | ℃ | 200 | |||||||
| Saturated gas | ℃ | 100 | ||||||||
|
Service liquid max. recommended temperature for water as working liquid |
℃ | 40 | ||||||||
| max. admissible temperature for others suitable working liquids | ℃ | 80 | ||||||||
| max. kinematic viscosity | mm2/s | 4 | ||||||||
| max. density | kg/m3 | 1200 | ||||||||
| volume up to shaft level | liter | 0.3 | 0.4 | 2.4 | 2.8 | 3.2 | 4.0 | 4.2 | 4.7 | |

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