排煙防火閥PFHF-風口、防火閥-洛森風機-廣東洛森通風設備制造有限公司

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風口、防火閥

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排煙防火閥PFHF

用途：應用于有防煙防火要求的通風、空調系統的管道上，閥門平時呈常開狀態，火災時進行排煙，當氣流溫度達到280°C時，溫感器動作，使閥門關閉，防止火勢沿風管蔓延。性能特點: 閥門平時呈常開狀態，氣流溫度達到280℃，溫感器動作，使閥門關閉；可通過DC24V電源使閥門關閉；手動開啟或復位；閥門關閉后，可通過DC24V電源使閥門復位到開啟狀態；閥門葉片可在0~90度范圍內五檔調節；輸出閥門關閉信號，可聯鎖其它防火設備。

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