when the supply air volume&time of itive pressure air supply system is out of control， the normal escape route may be too high because of the itive pressure of the front room， the fire door can not open the serious cequences. in view of the above ciderati， the sichuan institute of fire science combined with experience to provide data of residual pressure value. by controlling the opening&closing of the by-pass valve， the differential control system can effectively control the residual pressure of the mechanical pressurized air supply system within the reasonable range required by the national standard ——40-50 pa in the smoke-proof stairwell， the front room， the shared front room， the front room of the fire elevator room&the enclosed refuge floor (room) are 25-30pa.
正壓送風口壓差控制器，智能正壓送風壓力感控器，消防壓力傳感器，智能正壓送風差壓測控器，消防壓力傳感器廠家，壁掛式智能差壓控制器，消防壓力傳感器供應商，室內房間壓力控制器
是我司專門為正壓送風系統前室，樓梯間，地下避難所等壓差控制研制開發的一款通用型產品。產品帶有綠色巡檢指示燈及紅色報警指示燈，綠燈亮時表示前室或樓梯間余壓正常；紅燈亮時同時發出蜂鳴報警聲表示該產品所在樓層壓差值超過設定值。產品上端有兩個直徑 6mm ---式引壓管，通過軟管分別引入高壓區和低壓區。安裝采用壁掛方式，消防壓力傳感器批發，簡單方便；產品的左右兩側和后部分別有一個直徑 25mm 的接線孔，便于穿管接線，整體美觀簡潔。
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