当消防前室或楼梯间的通风压力或压差超过设定值（前室25~30Pa，楼梯间40-50Pa）时，Working principle of itive pressure air supply pressure sensor: under normal circumstances， the itive pressure air supply fan pressurizes the air supply into the air shaft through the air duct (Green Arrow Direction) ， the compressed air is then sent to the front room or stairwell of each floor through the shutters or the air valve. When the ventilation pressure or pressure difference in the fire chamber or Stairwell exceeds the set value (25 ~ 30 PA in the Front Chamber and 40-50 PA in the stairwell) ， the pressure sensor located on each floor immediately sends a signal to the by-pass pressure relief valve control box， the by-pass Pressure Relief Valve control box opens the by-pass pressure relief valve according to the pressure
前室压力传感器
The whole pure of the residual pressure monitoring system is to keep the residual pressure in the standard range of the stairwell and the front room，电梯前室微压差压力传感器， to prevent the harmful ***oke from entering，电梯前室微压差压力传感器价格， to ensure the normal opening of the fire door， and to ensure the unblocked life passage. Also known as residual pressure measurement and control system， pressure difference measurement and control system， or intelligent residual pressure monitoring system， is a high-rise buildings in the itive pressure air supply system to adjust the fire chamber or stairwell residual pressure value of a set of systematic devices.
电梯前室压力传感器设置在楼梯间、前室内疏散门侧，距顶0.2至0.5米壁挂安装，电梯前室微压差压力传感器供应商，采用底座直接固定在预埋86盒上，引压用的气管座可根据实际情况装于墙面或吸顶安装均可，系统的施工，按照批准的工程设计文件和施工技术方案进行，不得随意变更；确需变更设计时，应由设计单位负责更改并经图审机构审核，本公司可代工贴牌，欢迎新老客货来电来人洽谈。
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