A common inactive Back Up Ring, mainly used with O-Rings to avoid gap extrusion. 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 1 | ||
| -200 °C … +260 °C | ECOFLON 2 | ||
| -30 °C … +110 °C | ECOPUR | ||
| -20 °C … +110 °C | H-ECOPUR | ||
| -50 °C … +110 °C | T-ECOPUR | ||
| -30 °C … +110 °C | G-ECOPUR |