Retro filling is a possible solution to extend transformer lifetime. Owing to its ability to entrap water molecules, NYCODIEL will even remove residual humidity from the insulating paper.
NYCODIEL fluids are fully compatible with one other (in the NYCODIEL range and other synthetic esters compliant with IEC 61099 in general) and also with mineral and vegetable oils.
To guarantee that fire resistance properties are still present after refilling, (class K3 of IEC standard 61100 , fire point above 300°C) it is advisable to measure the fire point if the mineral oil content is more than or equal to 1%.
Important: NYCODIEL fluids are not compatible with silicone oils.
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