ARI Armaturen Strainer PN6-160 - Manual (Page 9)

Rev. 0040101000 1613 Page 2-9
Operating and installation instructions
Strainer PN6-160
8.0 Troubleshooting
In the event of malfunction or faulty operating performance check that the installation and
adjustment work has been carried out and completed in accordance with these Operating
Instructions.
If malfunctions cannot be eliminate with the help of the following table
“9.0 Troubleshooting table”, the supplier or manufacturer should be consulted.
9.0 Troubleshooting table
-
ATTENTION !
It is essential that the safety regulations are observed when identifying faults.
ATTENTION !
- read point 10.0 and 11.0 prior to dismantling and repair work!
- read point 6.0 before restarting the plant !
Fault Possible cause Corrective measures
No flow Flange covers have not been removed
(Pos. 7, fig. 3) Remove flange covers
(Pos. 7, fig. 3)
Flow too low strainer clogged.
Clean/replace screen.
Piping clogged. Check piping system.
Flange broken between
unit and piping
Bolts tightened unevenly.
Mating flanges not properly aligned.
Re-align piping and fit new valve!