Accessories For Assembly; Stem Protection Tube For Rising Valve Stem - AUMA SAEx 07.2 Operation Manual

SAEx 07.2 SAEx 16.2 / SAREx 07.2
4.4.

Accessories for assembly

4.4.1.

Stem protection tube for rising valve stem

SAREx 16.2
3. Apply a small quantity of grease to the valve or gearbox stem [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 4:
Tightening torques for screws
UNC threads M threads
1/4" M6
5/16" M8
3/8" M10
1/2" M12
5/8" M16
3/4" M20
Option
Figure 11: Assembly of the stem protection tube
[1] Protective cap for stem protection tube (fitted)
[1]* Protective cap made of steel (screwed)
[2] Stem protection tube
[3] V-seal
1. Seal thread with Teflon tape or thread sealing material.
2. Screw stem protection tube [2] into thread and tighten it firmly.
Information: For stem protection tubes made of two or more segments, all parts
have to be thoroughly screwed together.
Tightening torque ft-lb [Nm]
Strength class
8.8 A2-80
8 [11] 7 [10]
18 [25] 18 [24]
38 [51] 35 [48]
64 [87] 60 [82]
158 [214] 148 [200]
318 [431] 289 [392]
Assembly
17