上海鸿蝶阀门有限公司

900X紧急关闭阀用于生活供水和消防供水并联供水系统中，正常情况供生活用水，当火灾发生时消防用水时，阀门自动关闭生活用水，确保足够的消防用水。当消防停止用水时压力减少，阀门自动恢复生活用水，该阀使系统无须另设专门的消防单独供水管网，大大地节省了工程建设成本和日常的用水量。该阀控制灵敏、安全可靠、调试简单、使用寿命长。主要技术参数

公称压力(Mpa)壳体试验压力(MPa)密封试验压力(MPa)适用介质介质温度(℃)1.01.51.1水0-801.62.41.762.53.752.75

针型阀铜合金球阀铜合金浮球阀铜合金微型过滤器不锈钢

部件列表
1、导阀2、主阀3、球阀4、压力表5、针阀主要外形连接尺寸

DNLAA1HH1FD
mmD1
mmD2
mmn-ΦdmmmmmmmmmmmmPN1.0PN1.6PN2.5PN1.0PN1.6PN2.5PN1.0PN1.6PN2.5PN1.0PN1.6PN2.5201802921363422471161051051057575755858564-13.54-13.54-14251802921363422471161151151158585856868654-13.54-13.54-14321802921363422471161401401401001001007878764-17.54-17.54-18402403301553952781701501501501101101128888844-17.54-17.54-1850240330155395278170165165165125125125102102994-17.54-17.54-18652503501654052981801851851851451451451221221184-17.54-17.58-18802853651754303132102002002001601601601331331328-17.58-17.58-181003604101955103502752202202351801801901581581568-17.58-17.58-221254004552205603653102502502702102102201841841848-17.58-17.58-261504554752305854203552852853002402402502122122118-228-228-262005855302556754504603403403602952953102682682748-2212-2212-2625065062330073047050039540542535035537032032033012-2212-2612-3030080070034076049058044546048540041043037037038912-2212-2616-3035086084041584052664050552055546047049043043044816-2216-2616-3340096088043091057071556558062051552555048248250316-2616-3016-36