firefastball, are you talking about using a portable flue gas analyzer for permanent use, or just for a basic tune up or emissions testing? For basic testing the meters are usually zero the elements and heat up in ambient air prior to taking readings. Many of the installed analyzers have heaters...
abhimech1991, as others have stated there are number of different calculations for this. If the tubesheet is on a boiler it would be calculated using ASME Section I or IV. The ligaments, pitch, spacing, stay rods/bolts all have to be taken into account and can greatly change these equations. The...
aslam, if you are regulated by law and require code repairs, yes this would be a code repair and possibly an alteration. Do the original drawings include these brackets? Welding attachments directly to a pressure vessel are considered a code repair.
I would recommend always repairing ASME...
