Permissible operating conditions
| Operating conditions | Recommended value | ||
| Temperature, max | |||
| Continuous operation | |||
| Nitrile rubber (NBR) | -25 to +100 °C | (-15 to +210 °F) | |
| Fluoro rubber (FKM) | -10 to +190 °C | (+15 to +375 °F) | |
| Circumferential speed, max | |||
| Continuous operation | 1,8 m/s | (350 ft/min) | |
| Brief periods | 3,8 m/s | (750ft/min) | |
| Pressure, max | |||
| Continuous operation | 0,25 MPa | (35 psi) | |
| Brief periods | 0,35 MPa | (50 psi) | |
