559-6936: 200mm Inner Diameter Backup Ring

A Backup Ring, also known as a backup washer, is a plastic part that helps to maintain the integrity of the primary sealing element placed around hydraulic cylinder rods. The primary seals, such as O-rings or other seals retain their shape and sealing capabilities during dynamic movements and ensure that it functions effectively. Attributes: • Offers high flexibility and durability • Provided with slit cut which helps in facilitating smooth insertion into the groove of the hydraulic cylinder rod Applications: A Backup Ring acts as a mechanical barrier in preventing the entry of external elements inside the hydraulic cylinder rods and works in conjunction with the primary seal to maintain a reliable and leak-free sealing and ensure its sealing capabilities.