Installation, Operation and Maintenance Manual
MAN-02-04-97-0713-EN Rev. 1
October 2019
17
Installation
Section 3: Installation
3.4.3 Actuator Mounting
NOTICE
If the actuator is supplied without stud bolts and nuts, these must be provided by the
customer and conform to the material requirements in Table 6.
CAUTION
Failure to use proper torque values can result in damage to the actuator and/or valve.
Figure 21
Table 6.
Model Tightening Torque, Nm (lb.ft)
Material
010 40 (29.5)
Studs/Bolts: ISO Class 8.8 or ASTM A
320 Grade L7 or L7M
020 150 (110.6)
030 150 (110.6)
040 300 (221.3)
Nuts: ISO Class 8.8 or ASTM A 194
Grade 4
050 150 (110.6)
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