Control schematic is decided based on process requirements. In your case there are two control parameters one is level and the other is temperature. Since maintaining the level in the exchanger is important for this procees both the exchanger has the level control.
1) If we need to maintain...
In gasoline in-line blenders we had pressure controllers in the blend header after the static mixer. They are regulatory controls used to ensure mixing and not for safety purpose.
renin,
Probability of failure of demand (PFD) is equivalent to the unavailability of a system at the time of a process demand.
Hazardous nature of the process determines the probability of failure tolerated in a safety application
If we use one return valve then the probability of failure to...
The 1st option is preferable for control because
1. Each control Valve operates independently
2.It is easy to isolate each equipment
3.Failure in the First valve will not affect the operation of the subsequent equipment
4.In case the first Flow control valve is in "MANUAL" mode and "CLOSE" and...
API temperature and pressure Volume Correction Factor standard, Chapter 11.1 (Adjunct to ASTM D 1250-04 and IP 200/04) is the latest version available to calculate VCF and density conversion
In Your Case you should use Section 11.1.6.3 which gives the method to convert Volume and Density from...
