Normally, the YN-Multiflex
coupling is placed over the end for one of the pipes
After this, the coupling is simply tightended to
the torque shown for the coupling.
To repair localized leaks, the coupling casing is
opened and the casing and sealing
park is removed. The seal is cut away and the center
stopper is stripped off.
After this, the casing with seal is installed around
the leaking welded joint or other
leaking point, and tightened as befor. (See Fig.2)