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Thank you, that helps!

I am trying to understand what is meant by "PUMP REQUEST" next to a "YA" DCS bubble. This goes into a "UT" that is connected to a "FQIC" that appears to control a flow control valve(FCV) based on FT, PT, and TT readings on the same line. The mentioned instruments are on a truck loading line with...

Hi, We are designing a butane storage facility with multiple 50,000 gal plus bullets. Butane trucks will be unloaded at the facility into the bullets that are aboveground at ambient temperatures. The facility will be located in somewhat of a remote area and will not have an on-site operator but...

Thank you Pennpiper for an excellent point. If I were to design a new system, that is how I would do it. However, the mentioned system is existing, and the TSV is located on the outlet nozzle side of the exchanger which is located on the top of the exchanger. Assuming the TSV location cannot be...

Hi everyone, I have a 3/4"x1" PSV protecting the shell-side of an exchanger containing cooling water from two relief scenarios: fire and thermal expansion (due to heat input from the hot side while blocked in). Fire case is the controlling scenario, as expected, but my question concerns how to...