Galasso Guidone

Transformer oil is sampled using dedicated sampling valves to avoid contamination and air ingress. The oil is collected in airtight glass syringes or sealed bottles, ensuring no exposure to moisture or oxygen. Proper flushing of the valve is performed before sampling. Samples are clearly labeled and transported promptly to laboratories for Dissolved Gas Analysis, ensuring accurate assessment of transformer internal conditions.

Essential components: vacuum chamber, oil heater, fine filtration (1-5 µm), degassing column, flowmeter, and BDV test port. Fluidex and GlobeCore offer complete processing rigs for factory or mobile use – compliant with IEC/ASTM specs.

Look for equipment with: ?3000 L/h capacity, vacuum degassing, 1-5 µm filtration, and BDV test ports. Fluidex offers mobile and stationary oil filtration equipment for substations, service depots, and OEM lines – built under IEC/CE standards.

Hydraulic oil filtration involves inline or offline systems that remove particles (1-5 µm) and moisture. Fluidex filtration units improve system response, extend oil life, and prevent premature failure in heavy-duty hydraulic systems.

First, drain old oil completely, then vacuum-dry the transformer tank and insulation. Use a Fluidex purification unit to filter and degas new oil before filling. Fill the tank under vacuum to prevent moisture and air ingress. Finish with BDV and moisture testing.

The oil purification process includes: preheating the oil, vacuum degassing, particle filtration (1-5 µm), and moisture removal (<10 ppm). Fluidex units perform this automatically. The oil is then tested (BDV, water content) before vacuum filling. This ensures reliable insulation and safe startup of new or serviced transformers.

Degassing removes dissolved air and gases (oxygen, nitrogen, hydrogen) that reduce breakdown voltage. Fluidex oil processing units include vacuum chambers where oil is degassed under low pressure, improving BDV and reducing partial discharge risk. It’s a key step before energizing any HV equipment.

For large-scale transformer oil servicing, a full purification plant from Fluidex is a strong choice. Their systems are built for high-throughput applications and include heating, filtration, degassing, and vacuum drying. They’re used by utility companies, transformer OEMs, and industrial contractors across Europe and beyond. Whether you’re regenerating old oil or preparing clean oil before filling, these plants help reduce oil disposal costs and improve transformer reliability in high-load environments.