演艺圈悲惨事件18 演艺圈悲惨事件18 ,沂水春秋古墓 沂水春秋古墓

船用防火阀

Marine fire damper is intended for ventilation duct with fire requirement. When on fire, the temperature inside the duct reaches 70℃, fire damper will automatically close quickly to avoid fire spreading. According to the shape, there are rectangular & round type. According to the control way, there are manual, electrical, pneumatic type.The blade can be single blade or multi-blades. The fireproof class can reach A60.

设计标准:CB / T3557-1995

防火等级:A0,A15,A30,A60

主要零件:气动执行器,温度检测器,风门体,风门板,主轴,法兰。


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