... machine is used for waste/used transformer oil, insulation oil, mutual inductor oil, circuit breaker oil, etc 1/. Dehydration, degassing, ... remove out particles, residuals and other impurities in oil; 2/. Improve oil's PH Valuve, acid value, free carbon ... transformer oil filler and dryer for transformer; 5/. Improve oil's dielectrical strength (more than 65KV) ZYB Used Insulation oil/transformer oil ...