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防火閥
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      安裝在通風、空氣調節系統的送、回風管道上,平時呈開啟狀態,火災時當管道內煙氣溫度達到70°C時關閉,并在一定時間內能滿足漏煙量和耐火完整性要求,起隔煙阻火作用的閥門。

      防火閥一般由閥體、葉片、執行機構和溫感器等組成。

      排煙防火閥 fire damper in smoke-venting system

      安裝在機械排煙系統的管道上,平時呈開啟狀態,火災時當排煙管道內煙氣溫度達到280°C時關閉,并在一定時間內能滿足漏煙量和耐火完整性要求,起隔煙阻火作用的閥門。

      排煙防火閥一般由閥體、葉片、執行機構和溫感器等部件組成。

      排煙閥 smoke damper

      安裝在機械排煙系統各支管端部(煙氣吸入口)處,平時呈關閉狀態并滿足漏風量要求,火災或需要排煙時手動和電動打開,起排煙作用的閥門。帶有裝飾口或進行過裝飾處理的閥門稱為排煙口。

      排煙閥一般由閥體、葉片、執行機構等部件組成。

      2、參數表

      單位為毫米


      標記示例

      示例1:FHF WSDj-F-630×500表示具有溫感器自動關閉、手動關閉、電控電機關閉方式和風量調節功能,公稱尺寸為630mm×500mm的防火閥。

      示例2:PFHF WSDc-Y-φ1000表示具有溫感器自動關閉、手動關閉、電控電磁鐵關閉方式和遠距離復位功能,公稱直徑為1000mm的排煙防火閥。

      示例3:PYF SDc-K-400×400表示具有手動開啟、電控電磁鐵開啟方式和閥門開啟位置信號反饋功能,公稱尺寸為400mm×400mm的排煙閥。


It is installed on the supply and return air ducts of ventilation and air conditioning system. It is usually open and closed when the flue gas temperature in the duct reaches 70°C in case of fire. It can meet the requirements of smoke leakage and fireproof integrity within a certain period of time and play the role of smoke isolation and fire resistance valve.

Fire valve is generally composed of valve body, blade, actuator and temperature sensor.

Fire Exhaust fire valve in smoke- disconnects System

It is installed on the pipe of the mechanical smoke exhaust system and is normally open. In case of fire, it will be closed when the smoke temperature in the smoke exhaust pipe reaches 280°C. It can meet the requirements of smoke leakage and fire-resistance integrity within a certain period of time and play the role of smoke isolation and fire resistance valve.

Smoke exhaust fire valve is generally composed of body, blade, actuator and temperature sensor.

Exhaust valve Smoke Damper

It is installed at the end of each branch pipe of the mechanical smoke exhaust system (smoke intake). It is usually closed and meets the requirements of air leakage. In case of fire or smoke exhaust, it can be opened manually or electrically to play the role of smoke exhaust. A valve with a decorative or decorative finish is called a smoke vent.

Exhaust valve is generally composed of valve body, blade, actuator and other components.


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