Hose clamp 28-C101045Tightening the hose clamps (standard flange bracket)
How to tighten hose clamps in combination with steel inserts
As a first step, apply the initial setup torque value as advised in the table below. In some cases, an
adjustment to the specified torque values is required. This can be due to excessive friction between
the thread of the tightening bolt and the clamp. The actual clamping force needed can deviate from
the clamping force derived from the specified torque values. To minimize this risk, it is advised to
grease the clamping bolts.
If the specified torque values lead to a leaking hose connection, it is advised to carefully increase the
bolt torque until a sealed situation is obtained. Here the absolute torque value is of less importance.
The maximum allowable amount of clamping is indicated in the table below as a minimum allowable
outer diameter of the clamp (OD). A suitable indication is the difference between hose outer diameter
and clamp outer diameter ΔD.
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