排列3走势图

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排烟防火阀

所在位置:排列3走势图  > 产品展示防火阀设备系列排烟防火阀

镀锌板防火阀

更新时间:2017-12-06 点击数:977

镀锌板防火阀

防火阀,常开,70℃或者280℃关闭,一般安装在风管穿越防火墙和结构变形缝处,起火灾控制作用,可以设置输出电讯号,温度超过70℃或者280℃时阀门关闭,联动送(补)风机关闭。
排列3走势图 安装在中央空调风道系统中,工作原理是利用阀门上安装的极易熔合金的温度控制,利用重力作用和弹簧机构的作用,当火灾发生时,火焰入侵风道,高温使阀门上的易熔合金熔解,或使记忆合金产生形变使阀门自动关闭,用于风道与防火分区贯穿的场合。

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PAIYANKOU

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排列3走势图ZHONG QINGYANCAODASHAZHUYAOSHIBANGONGHESHANGWU,ZOUDAOZHANG,SHEZHILEJIXIEPAIYANXITONG,MEICENGLOUZHIYOUYIGEFANGYANFENQU。MEICENGDEPAIYANZHUGUANSHANGSHEJILEYIGEDIANDONGDECHANGBIDEFANGHUOFA,MEICENG DEMEIGEPAIYANKOUYOUSHEJIYIGEDIANDONGDECHANGBIDEPAIYANFA,XIAOFANGPAIYANFENGJIDEXIRUKOUCHUYESHEJILEYIGEDIANDONGDECHANGBIDEPAIYANFANGHUOFA。XIANRAN,ZHEIZHONGSHEJICUNZAIGONGNENGLANGFEI,YESHIMOKUAI、FAMEN、 JIANZHUCHENGBENDELANGFEI。

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