ARI Armaturen STEVI 460 DN 15-250 EN - Manual (Page 15)

Rev. 0040304000 0410 Page 15
Operating and installation instructions
Straight thr. stop valves - STEVI
®
405 / 460 (DN15-250)
7.3 Tightening torques
7.3.1 Tightening torques for nuts
! Refer to operating instructions for actuator concerned for
installing actuators !
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.
M 10 = 15 - 30 Nm
M 12 = 35 - 50 Nm
M 16 = 80 - 120 Nm
M 20 = 150 - 200 Nm
M 24 = 340 - 410 Nm
-
ATTENTION !
- It is essential that the safety regulations are observed when identifying faults.