Nibal,
Have you tried going through this article?
Flow Rate (GPM) Discrepancy Between Size Lateral Pipes Dialog Box and Circuiting or Highlight Station Tool

Otherwise, you will need to send in your files for us the know better what might be going on.
How to Submit a Technical Support Ticket

Hello Jake,

I just have the same issue in another project, and I just sent you a technical support ticket to help me please find the problem..


Nibal,

Hi Jake,

I've just noticed that The HIGHLIGHT tool gives the flow rate in l/m unit(THINK THIS MEANT TO BE IN GPM)

but the Valve Callout & valve attribute seems to show the flow rate in GPM unit.(THINK THIS MEANT TO BE IN L/M)

For Example:

Valve No. 2D in my irrigation plan shows
4.98 l/m in the HIGHLIGHT tool(THIS MAY MEANT TO BE 4.98 GPM)

While
18.8 "GPM" in the Valve Callout(THIS MAY MEANT TO BE 18.8 L/M)



if we do this equation:

4.98 GPM * 3.7854 = 18.8 lpm


Now if this thinking is right?

Why does this happen?



Nibal

Good afternoon all,
Please I have the same problem in a plan am working on.

Highlighted station flow(124 L/M) is different from the size window flow(74 L/M)..
I just sent a support ticket.


Can you advice please?

Hi Nibal and anyone else coming to this post, Jesse with Land F/X here. We are tracking a bug involving flow calculations for drip areas inside of drip areas on the same valve zone. We are working on a fix, it will not be released in this Friday's (06/23/23) update but is being addressed as quickly as possible. We encourage anyone else who experiences an issue like Nibal's and that sees this post to submit a technical support ticket for us to review.

How to Submit a Technical Support Ticket

Thank you.

Dear Jesse,

Thank you for the update..
please know that the flow chart am using is the one for uPVC SCH. 80 .
Please if can be fixed in the soonest, I have submission early next week for this project..

Nibal