Backup Rings Buna Size 174 Price for 1 pc

Backup Rings

Size#174 = 8-3/4 ID x  8-15/16 OD x  3/32 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. Temperature range -58 F to 248 F with intermittent service to 600 F. Color Black

90 Durometer hardness

Price is each