2 replies to this topic

[SANDEEPCH]

There is Differential pressure (DP) type level tranmitter to measure level inside the column. There is flushing oil (FLO) connection in both the lower and upper tapings of DP type level. This is because the fluid inside the column is tend to choke the tapings for level measurement, so to avoid this flushing connection provided. A typical drawing attached for your visulatization where blue color represent liquid inside the column. Ideally DP type transmitter should measure the difference in P1 and P2 (As per image attached). But due to FLO flow in both the upper taping and lower taping it will measure different pressure at both the tapings i.e. P4-P3. What should be the flow of FLO in both the tapings such that it will measure the actual level inside the column. RO valve provided for flow regulation of FLO in both the tapings. what will be the flow so that P1=P3 and P2=P4 OR P2-P1=P4-P3. Consider the concept of entry loss.

[breizh]

Hi,

No image attached. 

Don't colored your post, this makes the reading difficult.

Breizh

[latexman]

I fixed it.