Zy series high efficiency vacuum oil purifier The zy series high efficiency vacuum oil purifier has been developed as a conditioner for dielectric oils which is used in the transformer, circuit breaker, switch gear, and mutual inductor. It removes free and dissolved water, dirt, free and dissolved air/gases, mechanical impurities which can recover the dielectric oilsf+ parameters. This portable unit is compact and easy to use. The zy series oil purifier provides a wide range of opportunities for cost savings including: increase equipment uptime, improved machine performance, reduced component replacement costs, reduce maintenance costs, and lower oil replacement and disposal expense. Wooden caese