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Heat transfer fluids

12 Heat transfer fluids
And what are the implications for solar thermal systems?
15.12.2022 Heat transfer fluids

And what are the implications for solar thermal systems?

For solar thermal applications, the heat transfer fluid can be subjected to high temperatures (over 150°C).

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13.02.2013 Heat transfer fluids

I want to use galvanised steel for my pipes

Be warned that while the zinc in galvanised steel protects the steel from corrosion in a wet atmosphere, zinc is incompatible with glycols. 

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13.02.2013 Heat transfer fluids

I want to use a pure glycol because it is cheaper than anti-freeze

A word of caution: pure glycol contains no corrosion inhibitors.  Using this kind of product in aqueous solution may cause severe corrosion to your circuits.

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13.02.2013 Heat transfer fluids

I want to add anti-freeze X to my system, which already contains an anti-freeze, the source of which I can't remember

Anti-freezes are generally miscible, meaning that if you mix them you get a homogeneous solution, unless they are heat transfer fluids using different glycols (MEG, MPG etc).

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13.02.2013 Heat transfer fluids

I put blue anti-freeze in my system and the liquid is now a yellowish colour

The dyes used in anti-freeze are organic molecules.

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13.02.2013 Heat transfer fluids

I would like to know the lifespan of the glycolated water in my installation

Unfortunately, it is impossible to give a specific duration.

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13.02.2013 Heat transfer fluids

I want to add treatment chemicals into my facility.

The anti-freeze you use has undergone a series of development studies designed by manufacturer.  Its corrosion inhibitors have been assessed and validated in the course of a number of corrosion tests. 

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