Back Up Ring AS Type ID 279.4 - OD 288.92 - T 1.85
● PTFE back up ring introduction：It has the characteristics of high temperature resistance, anti-adhesion, corrosion resistance and high self-lubrication, which can improve the sealing pressure of parts.
● PTFE back up ring type：AS type, matched with O-ring AS type size.
Widely used in food industries, textile factories, electronics factories, heavy industries, chemical factories, etc.
| CNL No. | Code No. | ID | OD | T |
| 08379-T | AS-379 | 279.4 | 288.92 | 1.85 |