| 摘要 |
<p>A flue damper comprises a damper gate having first and second sides, and first and second seal stops. In one embodiment, a first seal is mounted to the first side of the damper gate and has a free end in sealing engagement with the first seal stop under pressure conditions, while a second seal is mounted to the second side of the damper gate and has a free end in sealing engagement with the second seal stop under the pressure conditions. In an alternative embodiment, the first seal is mounted to the first seal stop and has a free end in sealing engagement with the first side of the damper gate under pressure conditions. while the second seal is mounted to the second seal stop and has a free end in sealing engagement with the second side of the damper gate under the pressure conditions.</p> |
