Опорное кольцо, внутренний диаметр 16,33 мм Caterpillar 2063066

A Backup Ring, also called a Backup Washer, is designed to provide support and prevent extrusion of the primary sealing element. It is made from plastic material and ensures the primary seals, like O-rings or other seals, retain their shape and sealing capabilities during the dynamic movement of the valve.Attributes:• Helps to reduce the friction between the mating parts• Manufactured to precise specifications and are built for durability and reliabilityApplications:A Backup Ring acts as a mechanical barrier in preventing the entry of external elements and protecting the primary sealing element.