5.3.3.1. Multi-turn actuator with output drive type B: mount
Figure 18: Mounting output drive types B
[1]
Multi-turn actuator
[2]
Valve/gearbox
[3]
Valve/gearbox shaft
Procedure
1.
Check if mounting flanges fit together.
2.
Check if output drive of multi-turn actuator [1] matches the output drive of
valve/gearbox or valve/gearbox valve shaft [2/3].
3.
Apply a small quantity of grease to the valve or gearbox shaft [3].
4.
Place multi-turn actuator [1] and ensure that the spigot fits uniformly in the recess
and that the mounting faces are in complete contact.
5.
Fasten multi-turn actuator with screws according to table.
Information: We recommend applying liquid thread sealing material to the
screws to avoid contact corrosion.
6.
Fasten screws crosswise to a torque according to table.
Table 11:
Tightening torques for screws
Tightening torque [Nm]
Threads
Strength class A2-80/A4–80
24
M8
48
M10
200
M16
392
M20
23
SAVEx 07.2 – SAVEx16.2/SARVEx 07.2 – SARVEx16.2 Control unit: electronic (MWG)
ACVExC 01.2 Non-Intrusive
Assembly
