Whirl Test
| Whirl tests are performed on axial fans to verify that the fan impeller can be run at 125% of normal speed, at normal temperature, for a period of 15 minutes, without failure. |  |
| Whirl tests are performed on axial fans to verify that the fan impeller can be run at 125% of normal speed, at normal temperature, for a period of 15 minutes, without failure. | |