Porcelain hollow bushing (Apparatus insulators) up to 550kV

Porcelain hollow bushing (Apparatus insulators) up to 550kV

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Porcelain hollow bushing (Apparatus insulators)   up to 550kV

Porcelain bushing/ hollow insulator/ hollow bushing
The porcelain hollow insulator, porcelain bushings are used extensively in electrical apparatus. Porcelain bushing is the device that enables one or several conductors to pass through a partition such as a wall or tank and insulates the conductors from it. The means of attachment to the partition, such as flange or other fixing device, forms part of the bushing. Now we can supply porcelain hollow insulator for transformers up to 550KV.

SANDIAN have 12 sets of numerical control shaping machine, 2 sets of Φ800 stainless steel vacuum pug mills, 8 automatic natural gas shuttle kilns, 8 numerical control cutting and grinding millers, 15-20 tons ball millings and many other advanced equipments. The yearly production output of hollow bushing is over 50,000pcs.

· Lightning arrester bushing
· SF6 circuit breaker bushing
· GIS bushing
· Transformer bushing
· Current transformer bushing
· Inductive voltage transformer bushing
· Capacitor bushing
· Cable bushing

Application Standard: IEC, ANSI, BS, AS, DIN, CAN, GB and etc.
Color: light gray, brown, white, sky blue and etc.
Non-standard products: Designed by SANDIAN or specified by the customers.


Contact us
If you are interested in our products, please contact with us by e-mail.
We will offer you detailed information for the products, such as outline dimensional drawing, technical specification, Installation and maintenance manual and etc in PDF format.

Mail: sales@sandian-electric.com,chinactvt@vip.163.com

Whatsapp: 008613974170119,   008613874108383


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