Advantages:
-Good chemical resistance and wear resistance
-Very good low pressure stability.
-Very low compression set due to V-ring
-Simple grove design, simple installation
| ITM | ID | OD | L |
| JSURA | 50 | 60 | 6 |
| JSURA | 55 | 65 | 6 |
| JSURA | 60 | 70 | 6 |
| JSURA | 65 | 75 | 6 |
| JSURA | 70 | 80 | 6 |
| JSURA | 75 | 85 | 6 |
| JSURA | 80 | 90 | 6 |
| JSURA | 55 | 65 | 8 |
| JSURA | 65 | 75 | 8 |
| JSURA | 50 | 65 | 9 |
| JSURA | 55 | 65 | 9 |
| JSURA | 55 | 70 | 9 |
| JSURA | 60 | 75 | 9 |
| JSURA | 65 | 80 | 9 |
| JSURA | 70 | 85 | 9 |
| JSURA | 75 | 90 | 9 |
| JSURA | 80 | 95 | 9 |
| JSURA | 85 | 100 | 9 |
| JSURA | 90 | 105 | 9 |
| JSURA | 95 | 110 | 9 |
| JSURA | 100 | 115 | 9 |
| JSURA | 105 | 120 | 9 |
| JSURA | 110 | 125 | 9 |
| JSURA | 115 | 130 | 9 |
| JSURA | 120 | 135 | 9 |
| JSURA | 95 | 115 | 9 |
| JSURA | 50 | 63 | 10 |
| JSURA | 60 | 73 | 10 |
| JSURA | 55 | 68 | 10 |
| JSURA | 60 | 75 | 10 |
| JSURA | 65 | 78 | 10 |
| JSURA | 70 | 83 | 10 |
| JSURA | 80 | 93 | 10 |
| JSURA | 75 | 88 | 10 |
| JSURA | 70 | 85 | 10 |
| JSURA | 75 | 90 | 10 |
| JSURA | 80 | 95 | 10 |
| JSURA | 85 | 100 | 10 |
| JSURA | 90 | 105 | 10 |
| JSURA | 95 | 110 | 10 |
| JSURA | 100 | 115 | 10 |
| JSURA | 105 | 120 | 10 |
| JSURA | 100 | 120 | 10 |
| JSURA | 110 | 130 | 10 |
| JSURA | 120 | 140 | 10 |
| JSURA | 55 | 75 | 12 |
| JSURA | 60 | 80 | 12 |
| JSURA | 65 | 85 | 12 |
| JSURA | 70 | 90 | 12 |
| JSURA | 75 | 95 | 12 |
| JSURA | 85 | 100 | 12 |
| JSURA | 85 | 105 | 12 |
| JSURA | 90 | 110 | 12 |
| JSURA | 95 | 110 | 12 |
| JSURA | 95 | 115 | 12 |
| JSURA | 100 | 120 | 12 |
| JSURA | 105 | 125 | 12 |
| JSURA | 110 | 130 | 12 |
| JSURA | 115 | 135 | 12 |
| JSURA | 120 | 140 | 12 |
| JSURA | 130 | 150 | 12 |
| JSURA | 105 | 125 | 15 |
| JSURA | 115 | 135 | 16 |
| JSURA | 130 | 150 | 16 |