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　　Trailer type single-stage vacuum oil filter is mainly used to deal with all kinds of unqualified transformer insulation oil, switch oil, transformer oil and so on. This machine adopts vacuum negative pressure principle, introduces Germany's latest three-dimensional double flash technology, film evaporation technology, and adopts multi-stage precision filtration, so as to reliably remove water, impurities, gases and other harmful substances in unqualified oil, and quickly restore oil properties to meet oil standards. Trailer-type single-stage oil filter is suitable for field long-distance operation, with its own trailer, used for wind power generation, power field construction, etc. Trailer-type single-stage oil filter can also be equipped with diesel generator set, equipped with oil field detection instruments. Functions of the equipment include oil pumping, oil injection, vacuum drying, hot oil circulation filtration and other functions to meet the requirements of field use.