Backup Rings Buna Size 434 Price for 1 pc

Backup Rings

Size#434 – 5-5/8 ID x 6-1/8 OD x 1/4 CS

Back-up rings are used in conjunction with O-ring for both static and dynamic sealing applications.

They prevent extrusion of the O-ring when it is subjected to high pressures, or when the extrusion gaps are excessive.

Wherever possible two Back-up rings should be used, one on each side of the O-ring.

90 Durometer Rubber Nitrile  

Price is each