7 tightening torques, 1 tightening torques for hexagon nuts, 2 tightening torques for flange nuts – ARI Armaturen STEVI BBD 415 DN 25-50 EN User Manual
Page 14: 3 tightening torques for studs, 0 troubleshooting, 7 tightening torques -14, 0 troubleshooting -14, Refer to section 7.7), Ening torques refer to section 7.7)
Page 2-14
Rev. 0040321000 0714
Operating and Installation Instructions
Straight-through blow-down valves - STEVI
®
BBD 415
7.7 Tightening torques
7.7.1 Tightening torques for hexagon nuts
7.7.2 Tightening torques for flange nuts
7.7.3 Tightening torques for studs
8.0 Troubleshooting
In the event of a malfunction or faulty operating performance, check that all installation and
adjustment work has been carried out and completed in accordance with these Operating
Instructions.
If you cannot correct the fault with the help of the table in section
"9.0 Troubleshooting table", please consult the supplier or manufacturer.
(pos. 11)
M 10
=
15-30 Nm
M 12
=
35-50 Nm
(pos. 21)
M 12
=
50 Nm
(pos. 50.14)
M 12
=
50 Nm
(pos. 50.21)
M 6
=
7 Nm
M 8
=
5 Nm
-
ATTENTION !
- The safety regulations must be observed at all times during troubleshooting.