Short Description:

The butterfly valve is usually installed between the oil tank and radiator of oil-immersed transformer to control oil flow between oil tank and the radiator of transformer. It is used to open or close the transformer oil circuit when vacuuming oil injection and transformer operation and maintenance. It can also be used in oil discharge in accidents or in maintenance.

Product Detail



1.Body is made of high quality carbon structural steel, the precision casting and become, is suitable for any environment.

2. Work improperness absorption of Germany advanced technology to improve the valve sleeve structure, link is fully enclosed structure,appearance no riveting,seal more reliable.

3. Stem choose fine alloy quenched and tempered steels, surface spraying hard, durable.

4. Standard fasteners are all made of stainless steel materials 304,316,316L

Application parameters

Environment temperature -50℃-+40℃
Working temperature -40℃-+120℃
Assembly in the open and closed oil pressure 0.6-0.6 MPa, no oil leakage
Vacuum test within 10 min steam leakage rate < 1.33 Pa * L/s

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  • Q1: Can you provide the radiator valve according to our drawing?

    A: Yes, we have the professional technical department, You just share with us your required drawing or size. We could customize it for you.


    Q2What is the MOQ of Transformer Butterfly Valve

    A: We can accept the quantity starts from 30 units, order amount bigger than Thousand dollars.  That is the economic way to save both of us commercial costs.


    Q3: What is the key feature

    A:  We are provide stainless steel butterfly valve with High-quality performance,

    Excellent surface finishing, Both metal-to-metal or zero-leakage sealing, Offshore version available

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