Smoke exhaust fire damper and electric opposed adjustable air volume valve of fire damper2

الوصف

1. HTF series fire high temperature smoke exhaust fan is a national "Spark" project product, with excellent performance, high temperature resistance, high efficiency, less floor space than centrifugal fan, convenient installation and other characteristics.
Smoke exhaust fan
Smoke exhaust fan
2. The HTF fire fan has excellent high temperature resistance performance: the fan test meets the requirements of GBJ****2 fire code standard, and an enterprise internal control assurance system higher than this standard has been established. It can operate continuously for more than *0 minutes under **0 ℃ high temperature conditions, and not be damaged for *0 hours under **0 ℃ temperature conditions. It is widely used in advanced civil buildings, ovens, underground garages, tunnels and other occasions.
3. The performance listed in the performance table of HTF fire fan is the performance within the maximum efficiency range, which is divided into five performance points according to the air volume. The performance table shall prevail when selecting. The qualified products of the ex-factory fire fan are under the rated air volume, the error of the total pressure value is not more than ± 5%, and the performance selection table is the performance under the standard state, regardless of the technical documents or order requirements.