TOP'S stationary, portable and mobile High Vacuum Transformer Oil Purification Systems (Model ZYD) is used for transformer oil dehydration and transfromer oil degasification as well as other electrical insulating liquids such as silicone fluids.  The ZYD Process is able to increase and maintain the oil's dielectric strength and includes the removal of free and soluble water, free and dissolved air and gases and particulate matter.  The standard ZYD system is designed for processing oils in workshops, in storage tanks or directly in transformers (energized or de-energized transformers).

TOP'offers a variety of flow rates and options to suit every customer's requirements.  

ZYD series(ZYD-30 ZYD-50 ZYD-80 ZYD-100 ZYD-150 ZYD-200 ZYD-300) with flow rate from 1800 Liters/hr to 18000 Liters/hr)

ZYD Double-Stage High-Efficiency Vacuum Insulation Oil Purifier
ZYD-A Double-Stage Vacuum Insulation Oil Automation Purifier 
ZYD-R Double-Stage Vacuum Insulation Oil Regeneration Purifier
ZYD-T Double-Stage Vacuum Insulation Oil Purifier with Tester

In addition, TOP offers High Vacuum Degasification/Purification System to treat cable oils as well as for many other applications outside of the electrical industry, such as for electronic and radar equipment, vacuum pump sealing oils, brake fluids and refrigeration oils.

TOP manufactures customized equipment to meet your specific transformer oil purification and transformer oil filtration needs.