ARI Armaturen Steam injector PN25 EN - Manual (Page 6)

Page 6 Rev. 0040807017 1010
Operating and installation instructions
Steam injector
7.0 Care and maintenance
Maintanance and maintenance-intervals have to be defined by the operator according to
the requirements..
7.1 Cleaning
Injectors have no moving parts. They can be cleaned after dismantling from the pipe.
7.2 Tightening torques
(refer to Fig. 2 page 4 - Fig. 3 page 4)
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 !
- refer to item 10.0 and 11.0 prior to dismantling and repair work!
- refer to item 6.0 before restarting the plant !
Pos. Steam injector PN25
Torque (Nm)
Rp 1 - 1 1/2
8 Threaded pin 50
-
ATTENTION !
- It is essential that the safety regulations are observed when identifying faults.
ATTENTION !
- refer to item 10.0 and 11.0 prior to dismantling and repair work!
- refer to item 6.0 before restarting the plant !
Fault Possible cause Corrective measures
Strong noise Too low or too high steam pressure Change steam pressure,
- use more or less steam injectors.
Too long heating-up time Heat output is too low Rise steam pressure,
-install more steam injectors
Steam bubbles come out
of the water Heat output is too high,
-immersion depth is too low Use smaller nominal diameter,
-reduce steam pressure,
-install injector deeper