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Does anyone have any experience with paints for the inside of mild steel reservoirs that are compatible with water glycol (HFC's)? The ideal situation would be to use a stainless steel reservoir, but thats not always feasable. With water glycol, do people paint the inside of mild steel...

Thanks for the answers so far. The fluid would be a standard hydraulic mineral oil, grade 32 or 46.

Hello, I've been reviewing lots of technical literature relating to reccomended maximum fluid flow velocity in pipes. On numerous occasions I have come accross increasing maximum fluid flow velocities with an increasing operating pressure. e.g. upto 100 bar, maximum flow velocity = 5 m/s. 250...