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
电梯前室压力传感器前室微压差压力传感器
正压送风压力传感器，正压送风口压力传感器，电梯前室压力传感器，楼梯间压力传感器，前室微压差压力传感器，电梯前室出风口压力传感器，楼宇楼房正压送风压力传感器，旁通阀泄压压力传感器，正压送风系统压力传感器，带显示正压送风口压力传感器pressure air supply pressure sensor， itive pressure air supply outlet pressure sensor， Elevator Chamber pressure sensor，前室微压差压力传感器安装位置， Stairwell Pressure Sensor，前室微压差压力传感器价格， elevator chamber outlet pressure sensor， building itive pressure air supply pressure sensor， pressure Relief by-pass Valve pressure sensor， itive pressure air supply system pressure sensor，前室微压差压力传感器生产厂， with disy itive pressure air supply outlet pressure sensor
电梯前室压力传感器/防烟楼梯间差压控制控制器详解Technical Parameters: Measuring Range: 0 ~ 100PA PRESSURE: 1000PA Technical Parameters: Measuring Range: 0 ~ 100PA PRESSURE: 1000PA Action pressure: FRONT CHAMBER/AISLE: 25 ~ 30PA， (reset pressure: 15 ~ 20PA) ; Stairwell/front Chamber: 40 ~ 50PA， (reset pressure: 30 ~ 40PA) ; working temperature:-20 ~ 85 °C Action pressure: FRONT CHAMBER/AISLE: 25 ~ 30PA， (reset pressure: 15 ~ 20PA) ; Stairwell/front Chamber: 40 ~ 50PA， (reset pressure: 30 ~ 40PA) ; working temperature:-20 ~ 85 °C 电梯前室压力传感器/防烟楼梯间差压控制控制器详解
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