7 Commissioning/Start-up/Shutdown
42 of 60
CAUTION
Excessively long idle periods
Damage to the valve!
▷ Check the function by opening and closing the valve at least once or twice a
year.
CAUTION
Vibration
Excessive wear and/or damage to the valve!
▷ Change the system parameters.
▷ Use throttling plugs or V-port plugs in throttling applications to minimise
vibration.
CAUTION
Use of levers
Damage to the valve as a result of excessive forces!
▷ Only actuate handwheel-operated valves by hand.
▷ Levers may only be used in exceptional cases and in compliance with the
following tables.
▷ Do not use levers in the area of the position indicator.
Permissible torque limits for levers
The valves mentioned below can be used with suitable levers up to the following
torque limits:
Table33: Permissible torque limits for BOA-SuperCompact, BOA-Compact, BOA-
CompactEKB, BOA-W
DN M
t
[Nm] Width across flats
150 120 36
200 140 65
Table34: Permissible torque limits, BOA-H
DN M
t
[Nm] Width across flats
150 140 36
32)
200 200 46
250 200 46
300 200 46
350 200 46
Torque wrenches with hexagon socket shall preferably be used, which are placed
over the hexagon stem nut (925) after the handwheel has been removed.
7.1.3 Travel stop
The globe valves are always supplied set for maximum valve travel. The setting can
be adjusted as required using an Allen key. To do so, remove the plug from the
position indicator and adjust the screw plug. The requisite Allen key sizes are listed in
the table below.
32) EN-GJL-400-18-LT: WAF 17 (conical square)