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Zhejiang ERG Technology Joint Stock Co.,Ltd

Mobile: 86-18257346462

Tel: 86-576-83200088


Contacts: Wu Nick/Bella Zheng/Blanca Chen

Add: 135 Haisha Road, Shaliu Economic DevelopmentZone, Sanmen County, Zhejiang, P.R.China

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Nine, Power Transformer Oil-ERG
- May 23, 2018 -

Nine, transformer oil-ERG

1, the composition of the transformer oil

Transformer oil is a mineral oil. It is a mixture of many hydrocarbon molecules with different molecular weights. It is a hydrocarbon compound mainly composed of alkanes, naphthenes and small amounts of aromatic hydrocarbons.

2, the role of transformer oil and brand

Transformer oil for insulating oil for oil-immersed transformers. Transformer oil not only has insulation effect, but also has the effect of heat dissipation.

The transformer oil is divided into No. 25 oil and No. 45 oil depending on the freezing point. The freezing point of Oil 25 is minus 25°C; the freezing point of Oil 45 is minus 45°C.

No. 25 transformer oil is a paraffin base oil, and No. 45 transformer oil is a naphthenic oil. In the past, No. 45 transformer oil was imported from abroad, and now the Karamay refinery in Xinjiang can also be produced.

EGR Factory Transformer.png认证组图.jpg

Thank you for your kindly attention. Hope everything goes well with you.

This is Blanca Chen, from Zhejiang ERG Technology Joint Stock Co.,Ltd. We manufacturer and design transformers accessories. 


Products: (Sorry that for the e-mail not to be sent back, our catalogue and web are not attached for our first contact.)
1. All kinds of transformer cooler
2. Oil pump
3. Butterfly valve
4. Oil flow relay 
5. Control cabinet

6. Terminal box etc.
ERG join the draft of the standard for chinese government in transformers accessories, with certifications:CE, CRCC,IRIS,EUP,TS,CNAS,BV etc. 



Whatsapp/Wechat/Tel: 86 13626615457



Best Regards,

Blanca Chen