Smoke exhaust fire damper
- Dezhou Yatai Group Co., Ltd.
- product brand:yatai
- رقم الكشك：W3F47
- product specification:
- product category:其它-其它 -
- product introduction:Installed in the air supply and return pipes of the ventilation and air conditioning system, aiming for smoke exhaust and fire retardance
They are normally divided into two types: electric type and manual type. The common point is that they are normally open. The fuse shutoff temperature is 70℃. And opening degree of all the air valves can be adjusted.
Their differences are action style and reset style. For the electric type, by input electric signal DC24V, electric magnet within the actuator powers on and act, the valve automatically closes; for the manual type, it can be closed manually or by 70℃ fuse action.
According to their uses, they can be divided into fire damper and fire control damper. The common point is fusing.
The closing temperature is 70℃. Ordinary products can be closed manually. The fire control damper is used for air pipes system which has requirements for fire resistance and air volume regulation. It has functions of manual shutdown, manual reset, electric shutdown, electric reset, electric signal input and output to interconnect fan.
