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Overseas Ultra-high Voltage Breaker On-site E&C Supervision Service

As a key partner of ABB Group, we provided full-process E&C supervision for the 252kV ultra-high voltage breaker project. Our team ensured strict compliance with international standards during installation, commissioning, and on-site testing, delivering reliable power solutions for the grid substation project. This project showcases our expertise in high-voltage power equipment services and our commitment to quality for global clients.

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Industry Focused Products!

GF Series Dry Air Generator

GF Series Dry Air Generator by HZ Transformer

GF Series Dry Air Generator is suitable for supplying dry air that keeps the power equipment’s inner parts from moisture in the maintenance of the transformer,reactor and other large power equipment.It can ensure that the maintenance staff will not be short of oxygen when working inside of the equipment.It is more reliable,economical, convenient and safer than nitrogen.Therefore it can shorten the maintenance period and improve the efficiency of the maintenance quality.

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ZYD Series Double Stage High Vacuum
 Transformer Oil Purifie
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ZYD Series Double Stage High Vacuum  Transformer Oil Purifie

ZYD Series Double Stage High Vacuum Transformer Oil Purifier is mainly used to purify the transformer oil used in≤500kV transmission line.This series may include two types,fixed close type and mobile trailer mounted type, suitable for oil treatment,transformer vacuum oil filling and hot oil circulation drying during big transformer installation and maintenance.The oil treatment process and overall performance are in the leading position in China with its advantage of high working vacuum,fast oil filtration speed and oil quality protection.

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ZYD Series Double Stage High Vacuum Transformer Oil Purifier​

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ZYD Series Double Stage High Vacuum Transformer Oil Purifier is mainly used to purify the transformer oil used in
≤500kV transmission line.This series may include two types,fixed close type and mobile trailer mounted type, suitable for oil treatment,transformer vacuum oil filling and hot oil circulation drying during big transformer installation and maintenance.The oil treatment process and overall performance are in the leading position in China with its advantage of high working vacuum,fast oil filtration speed and oil quality protection.

2&3.2.zyd series double stage high vacuum transformer oil purifie index jpg

Series Vacuum Pumping Unit

Series Vacuum Pumping Unit

ZY Series Vacuum Pumping Unit is mainly used for vacuum drying and vacuumization while injecting oil in high voltage electrical transformer such as 220kV,500kV,transmission line.By selecting world famous vacuum pumps,the working vacuum degree can reach up to 10Pa,limit vacuum up to 5Pa.And the GIS interface and vacuum degree intelligent setting are available according to customer’s requirement.The advantages include anti-sucking,fast startup,quick pumping,stable performance and simple operation.

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Need Reliable Transformer Maintenance Solutions? We Are Experts!