6. Fit multi-turn actuator on the valve stem so that the stem nut dogs engage into
the output drive sleeve.
Figure 15:
➥
The flanges are flush with each other if properly engaged.
7. Adjust multi-turn actuator until alignment of the fixing holes.
8. Fasten multi-turn actuator with screws [3].
9. Fasten screws [3] crosswise with a torque according to table.
Table 12:
Tightening torques for screws
Tightening torque [Nm]Threads
Strength class A2-80/A4–80
24M8
48M10
200M16
392M20
10. Turn multi-turn actuator with handwheel in direction OPEN until valve flange
[4] and output drive type A [2] are firmly placed together.
Figure 16:
11. Tighten screws [5] between valve and output drive type A crosswise applying
a torque according to table.
20
SAEx 07.2 – SAEx 16.2/SAREx 07.2 – SAREx 16.2 Control unit - electromechanical
Assembly ACExC 01.2 Intrusive Modbus RTU