I have an existing PSV on a butane bullet which is set at 250 PSIG. The PSV is too small for fire sizing. I have two choices: (1) Replace the PSV with a larger one or (2) Add an additional rupture disk to give the required relief rate. The vessel MAWP is 300 PSIG. I am thinking about...
I have a n-butane bullet with an existing relief valve. I am trying to provide supporting calculations for the relief valve, but can't even get close to the size valve that is installed. Blocked in is applicable and results in a small valve. As far as fire sizing, the butane will vaporize if...
We have had problems with our propane failing the copper strip corrosion test. We recently started more frequent testing of our propane. We have also recently switched KOH manufacturers. We don't routinely test upstream of the KOH treater, but anytime that we have--the results turned out...