Transformer Oil be filled in transformer tank , used to cool the transformer,insure the transformer running with suitable temperature.So, the quality of transformer oil is very important.This article is stated the oil testing items and test significance. transformer oil (This kind of oil cooler transformer is called Oil immersed Power Transformer, or oil filled transformer, distribution transformer .The cooling types are Corrugated finwall and Radiators . ) corrugated wall with bottom embossing transformer radiators types Transformer Corrugated Fins Cooler Wall is made by JTYF Corrugated fins wall Forming /Folding machine ,by pressing and shaping steel sheet to folded wall,and weld by JTFY Corrugated fins wall seam auto welding machine . 1.Pressing and Folding Corrugated Fin Cooler Wall by JTFY automatic Corrugated Fins Wall Forming Machine . ...