We provide the rubber bellows seal with very high mechanical strength. The rubber bellows seals are utilized in submersible pumps, water pumps and the multiple types of sewage pumps. The rubber bellow type mechanical seal are trouble-free to install and very easy to remove, The seal is single acting and independent of direction of rotation. These seals have a unique rubber bellow as a secondary seal with self aligning feature which rotate on shaft with tightness, rubber bellows protect to shaft or sleeve from fretting, notches provided on seal faces.