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電梯前室通常要求其空間內(nèi)部氣壓高于外部氣壓 10~15pa ;而高層建筑前室(包括消防電梯前室、樓梯間前室、合用前室、三合一前室、共用前室等)要求是25~30pa,樓梯間要求是 40~50pa
通常要求其空間內(nèi)部氣壓高于外部氣壓 10~15pa ;而高層建筑前室(包括消防電梯前室、樓梯間前室、合用前室、三合一前室、共用前室等)要求是25~30pa,樓梯間要求是 40~50pa
the whole pure of the residual pressure monitoring system is to keep the residual pressure in the standard range of the stairwell&the front room, to prevent the harmful smoke from entering, to ensure the normal opening of the fire door,&to ensure the unblocked life passage. also known as residual pressure measurement&control system, pressure difference measurement&control system,樓梯間壓力傳感器廠家,/intelligent residual pressure monitoring system,樓梯間壓力傳感器生產(chǎn)廠, is a high-rise buildings in the itive pressure air supply system to adjust the fire chamber/stairwell residual pressure value of a set of systematic devices.
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,樓梯間壓力傳感器安裝位置, 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,樓梯間壓力傳感器, the front room, the shared front room, the front room of the fire elevator room&the enclosed refuge floor (room) are 25-30pa.
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