Back-up ring K81 series

K81 back-up rings are sealing elements that are generally used behind the o-ring in order to ensure system security and minimize extrusion gaps in many applications. Advantages • Extrusion resistance in larger gap clearance • Easy installation • Can be used at high pressure • Wide range of dimensions Area of Application • Agricultural machinery • Construction machinery • Loading platforms • Injection moulding machines • Forklifts • Standard industrial cylinders