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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. Fit multi-turn actuator [1].

Information: 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 7:

Tightening torques for screws

Tightening torque [Nm]Threads

Strength class

A2-808.8

200214M16

392431M20

1,4221,489M30

2,4812,594M36

4.4. Accessories for assembly

4.4.1. Stem protection tube for rising valve stem

Figure 16: Assembly of the stem protection tube

[1] Protective cap for stem protection tube (fitted)

[1]* Option for size 25.1: Protective cap made of steel (screwed)

[1]** Option from size 30.1: Protective cap made of steel (welded)

[2] Stem protection tube

[3] V-seal

1. Seal all threads with hemp, Teflon tape, or thread sealing material.

SA 25.1 – SA 48.1 / SAR 25.1 – SAR 30.1

AM 02.1 Assembly

AUMA AM 02.1 User Manual

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