How you act towards the conflict between professional disciplines managers?

The conflict is part of active managers duties about power circles , about sales and contacts , about satisfaction of management …. And conflict could consider as engorgement  element  if managed in the right way.

The main duty of head manager to sermonize this conflict to be redirected in productivity way and achieving way and not to reach to personal or aggressive limit where that time conflict will cause damage on the productivity of the team work.