Thanks Guidoo for your answer!
I have one simple question: If an enclosed-space is classified as Class 1, Zone 1, but the electrical equipment within this area is designed for Zone 1, Do I still need to ventilate at all??? ...or regardless of this I need to ventilate with the calculated flow...
There is also some useful information about sizing of expansion tanks for glycol/water heating systems at:
http://www.pmengineer.com/CDA/ArticleInformation/features/BNP__Features__Item/0,2732,109000,00.html
On the other hand, the best ratio for freezing protection is 60% Ethylene Glycol, 40%...
Based on API RP 505, the recommended ventilation for hazardous and non-hazardous areas is 12 and 6 ach respectively. From a Fugitive Emissions study I came up with only 2ach required for adequate ventilation. What flow rate I should apply? The recommended or the calculated?
Is that...
Based on API RP 505, the recommended ventilation for hazardous and non-hazardous areas is 12 and 6 ach respectively. From a Fugitive Emissions study I came up with only 2ach required for adequate ventilation. What flow rate I should apply? The recommended or the calculated?
Is that...
It's very simple!
All the Excel-functions are in VBA also, all what you have to use is:
e.g.
Application.WorksheetFunction._
VLookup(X, Range("Vlookup_Range"), 2, False)
.:JJ:.
