Oring, nutring and more. Sealing elements are indispensable in hydraulic and pneumatic systems. They are known by different names such as rotary shaft seal, O-Ring, tool ring, sergeant seal, bellows seal, lip seal, hydraulic seal. In general, they are elements that prevent the leakage of all kinds of substances between moving or stationary machine parts. Since the life of bearings, gears and other valuable machined parts depends on the quality of the sealing element, sealing elements have a priority place among the machine elements. Since the sealing elements are used in all installations and in all environmental conditions, there are thousands of types. Dimensions, material, purpose of use and environmental factors are the main factors that determine the types of sealing elements.
