Pressure drop in between injections in 1200 LC

Facing the pressure drop issue in two inections out of 10 injections. the pressure dropped from 100 bar to 50 bar at 5th minute and again came to 100 bar at 6th minute. it was happened same at different time interval in other injection. total run time is 10 minutes. here customer expecting the exact root cause.

verified the inline filters are in good condition, there no leakages in flow path.

Performed the Pump Leak test, pressure test are Passed.

verified the mcgv function also good.

here needed probable root causes for resolving the issue. 

Was this helpful?