ProMinent DULCOMETER PH-501 Assembly And Operating Instructions Manual page 797

Technical Data
Tightening torques for screw connections
The following values apply if no other information
is available.
With non-electrical connections, property classes
of 8.8 and 8 or higher as per ISO 898-1 are
assumed.
610.44436.40.000 10 / 28 © Gardner Denver Deutschland GmbH