Triangular Back Up Ring for piston applications, fits in special shaped housings (see seal data sheets). Also used as integrated, active Back Up Ring in special high-pressure or low-friction seal profiles. Split and non-split designs available.
| Temperature Range | Max Speed | Max Pressure | Material |
| -50 °C … +100 °C | ECOTAL | ||
| -40 °C … +100 °C | ECOMID | ||
| -200 °C … +260 °C | ECOFLON 2 |