Door closers damaged door panel and frame

Door closers should include a white room door to prevent drafts losses, however, the spring tension is either too low and the door does not close, or at a more powerful setting of NO has slowly pushed higher and almost demolished the Türblattfalz. Now gapes a long crack on the rear door leaf. I would have to premeditate the better. As to a ca.7-10kg door by a torque, which acts on approximately 6-7cm angle length, are closed. This pressure is not acceptable for normal door panels. Even the scratch protection on the rear, small lever has dropped to 3-4 actuations. Résumé: principle almost Ok, but the angle must be much greater on both sides to cope with the enormous forces.