2.
If indicator disc [3] is available:
Remove indicator disc [3] using a spanner (as lever).
Information: To avoid damage to paint finish, use spanner in combination with
soft object, e.g. fabric.
9.4.
Torque switching: set
Once the set torque is reached, the torque switches will be tripped (overload protection
of the valve).
Information
The torque switches may also trip during manual operation.
Valve damage due to excessive tripping torque limit setting!
→
The tripping torque must suit the valve.
→
Only change the setting with the consent of the valve manufacturer.
Figure 83: Torque measuring heads
[1]
Torque switching head black in direction CLOSE
[2]
Torque switching head white in direction OPEN
[3]
Lock screws
[4]
Torque dials
1.
Loosen both lock screws [3] at the indicator disc.
2.
Turn torque dial [4] to set the required torque (1 da Nm = 10 Nm). Example:
-
Black torque switching head set to approx. 25 da Nm
≙
250 Nm for direction
CLOSE
-
White torque switching head set to approx. 20 da Nm
≙
200 Nm for direction
OPEN
3.
Fasten lock screws [3] again.
Information: Maximum tightening torque: 0.3 – 0.4 Nm
➥
The torque switch setting is complete.
9.5.
Limit switching: set
The limit switching records the travel. When reaching the preset position, switches
are operated.
67
SAEx 25.1 – SAEx 40.1 / SAREx 25.1 – SAREx 30.1
ACExC 01.2
Commissioning (basic settings)
