Explosion proof fire damper

Release date: 2024-12-19 09:27:29 Reading volume: 1974 Author: Keruite

Explosion proof fire dampers are usually installed in the pipelines of ventilation and air condition

Explosion proof fire dampers are usually installed in the pipelines of ventilation and air conditioning systems, and can also be installed in firewalls and platforms. They are normally open and close at 70 ℃. FHF-1 and FHY-1 button markings T356 structural design, with necessary improvements, have a relatively heavy appearance. The FHF-2 multi leaf fire damper has improved its design based on the above, and its size can be greatly reduced, but there is no inspection door. If needed, it can be ordered separately. The pipeline inspection door is installed on the pipeline near the fire damper.

Explosion proof fire dampers have manual and active functions. After a fire occurs, the smoke exhaust fire damper can be opened actively or manually for smoke exhaust. When the temperature of the smoke in the smoke exhaust system reaches or exceeds 280 ℃, the valve will automatically close to prevent the fire from extending to other parts. But the smoke exhaust fan should ensure continuous operation for 30 minutes at 280 ℃.

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