These PTFE O rings are specially made to use as gaskets in glass
fittings. These are provided with a collar which helps to locate it
on the glass end correctly.
| Cat. Ref. | DN | D | D1 | d | L |
| TR1 TR1.5 TR2 TR3 TR4 TR6 TR9 TR12 TR16 TR18 TR24 |
25 40 50 80 100 150 225 300 400 450 600 |
42 57 70 100 134 186 260 342 467 537 686 |
33 48 59 88 119 168 236 318 435 490 640 |
3 3 3 3 4 4 4 4 6 6 8 |
5 5 5 5 6 6 7 7 7 7 10 |
