Profile: Micro Seal is a designer & supplier of Mechanical Seals, Seal Support system for Pumps, Compressors, Agitators, Mixers and Reactors. We are an ISO 9001:2008 certified company. Bellow Seals are used to close the inside of a pump from the outside world to prevent leakage. Bellow Mechanical seals provide a high degree of axial flexibility to compensate for lack of concentricity of the shaft or misalignment due to thrust movement of the shaft.