Product Name: ZYV-600 High Vacuum Pumping System
For all the oil filling transformers, we have to vacuum pumping inside of the transformers. Transformer factory have to prepare the vacuum pumping sets for normal use. It equipped with double vacuum system, the pumping speed is very fast.
The working vacuum is less than 133pa,the ultimate vacuum can be less than 5 pa.
Please check more information of ZYV vacuum pumping sets