VACUUM DRYER/DEGASSER The ESI Vacuum Dryer/Degasser units are designed as versatile Transformer Oil Filter units for field or factory use. These units use high capacity multi-stage electric oil heaters, large capacity vacuum pumps with external connections and 3 stage particulate filtration. Flow rates up to 6000 litres/hr are available.

These units are used by ESI to do Vacuum filling of transformers, ESI has a dedicated plant to do this work processing new transformer oil. The unit has an in line Vaisala moisture meter to constantly monitor oil moisture content, there is also a Megger dielectric breakdown tester with the rig at all times.