Some steam boilers manufacturers say that according 97/23/ PED and EN 12953-6 and 12953-9 - design code for shell boilers -, is needed that the two levels minimum safety must be fail safe. I don't think so. What's your opinion?
Some steam boilers manufacturers say that according 97/23/ PED and EN 12953-6 and 12953-9 - design code for shell boilers -, is needed that the two levels minimum safety must be fail safe. I don't think so. What's your opinion?
Last edited by Dan57; 04-08-2014 at 05:48 PM.
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