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| Vacuum Filters |
The CJC™ Vacuum Oil Filter Unit is designed for maintenance of the oil operating in power transformers.
The CJC™ Vacuum Oil Filter Unit consists of a vacuum chamber and a filter insert. A vacuum pump maintains the pressure in the chamber at the lowest possible level. At this pressure water (H2O) evaporates and is removed from the oil. The gas content of the oil (transformer fault gases, H2, CH4, CO, CO2, C2H2, C2H4, C2H6, COS as well as Nitrogen, N2 and Oxygen, O2) is reduced during its stay in the vacuum chamber.
When the oil is pumped back into the transformer it is absolutely dry. With time, typically a few weeks, the oxygen concentration in the oil is reduced by a factor of 10, and less oxygen means less oxidation i.e. slower ageing of the transformer.
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V30 Vacuum Filter |
270 L/h |
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Application: Oil in Power transformers, cable oils. Oil where an extremely low water (3ppm) and gas content (0.2%) is needed. Suitable for transformers up to 100.000 L. |
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V30a Vacuum Filter |
200-270 L/h |
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Application: Oil in Power transformers. Oil where an extremely low water (3ppm) and gas content (0.2%) is needed. For all transformers up to 100.000 L. |
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V30 - M |
0-270 L/h |
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Application: This unit can monitor the dissolved gas content of the transformer oil, and will be able to sound alarm in case of a sudden increase in gas production. Suitable for transformers up to 100.000 L. |
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V30 | Technical Drawing
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