Back Up Ring AS Type ID 558.8 - OD 568.32 - 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 |
| 08391-T | AS-391 | 558.8 | 568.32 | 1.85 |