
INTRODUCTION
Torque – Standard torque data for hydraulics
F106.8A
WE
F106.8
WE
F156.8A
WE
F156.8
WE
Use the torques in the charts when special torques are not given.
The torque values are based on catalogue data provided by the hydraulic fitting manufacturers.
If the manufacturer is unknown apply the “Recommended” torque.
NOTE:
a) The torque values are applicable on all carbon steel components in which the external surface is protected with an
appropriate coating (zinc plating). Changes in plating may affect assembly torques.
b) For steel fittings into aluminum or cast iron components the torque may differ (e.g. depending on depth of thread
engagement)!
c) Not applicable if special graphite lubricants, Molydisulfide greases, or other extreme pressure lubricants are used.
The assembly of the fitting and connector shall be carried out without external loads. Screw up hand-tight and then
tighten further with a spanner according to the values mentioned in the tables on the next pages. Ensure that in all
cases the fitting or hose is correctly aligned before tightening onto the corresponding adaptor.
The fitting manufacturers which are not listed on the torque charts shall draw up assembly instructions for the use
of the connectors. These instructions shall include at least the following:
• Details relating to material and quality of suitable tubes
• Details concerning the preparation of the selected tube
• Instructions regarding the assembly of the connector, such as the number of wrenching turns or assembly torque
• Recommendations regarding the tools to be used for assembly
1. Stud connector for ports with elastomeric sealing (Type E)
NOTE:
- The torque chart give recommendations to threaded connectors in steel with a zinc-coated surface.
- For steel fittings into aluminum components the torque is
70 %
of the below values.
SS14G152
1
47829043 22/01/2015
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Содержание F106.8
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