消防排烟风机在防排烟系统中的作用

D671F46-16C气动对夹式衬氟蝶阀介绍：气动对夹式衬氟蝶阀是由气动执行器和衬氟蝶阀组合而成。衬氟蝶阀是通过阀杆一起转动的蝶板作启闭件,用以实现阀门的开启,关闭与调节。衬氟蝶阀是在过流部件、阀体、蝶板、阀杆上采用衬里技术衬里较厚的高分子材料,防腐蚀性能优良,可适用于任何浓度的酸、碱、盐及氧化剂、还原剂、有机溶剂等介质,衬氟蝶阀是化工、石油、医药、食品、钢铁冶炼、造纸、水电等系统的气体、液体、半流体的管·和容器上作截流和调节设备使用的理想产品,并可取代闸阀、截止阀和其它类型的切断！

D671F46-16C气动对夹式衬氟蝶阀标准：

通用型号：D671F46-16C D671F46-10C

公称通径：DN40-250

阀门材质：铸钢、不锈钢

连接方式：对夹式

驱动方式：气动

阀门压力：1.6mpa/2.5mpa

D671F46-16C气动对夹式衬氟蝶阀适用：气动对夹式衬氟蝶阀适用介质:FEP(F46)、PCTDE(F3)衬氟蝶阀适用在-50℃～-150℃的各种浓度的王水、氢氟酸各种有机酸、强酸、强氧化剂，FEP还适用于各种浓度的强碱有机溶剂以及其它腐蚀性气体、液体介质的管·上使用。工作温度：130度。

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