900X緊急關閉閥用于生活供水和消防供水并聯供水系統中，正常情況供生活用水，當火災發生時消防用水時，閥門自動關閉生活用水，確保足夠的消防用水。當消防停止用水時壓力減少，閥門自動恢復生活用水，該閥使系統無須另設專門的消防單獨供水管網，大大地節省了工程建設成本和日常的用水量。該閥控制靈敏、安全可靠、調試簡單、使用壽命長。主要技術參數

公稱壓力(Mpa)殼體試驗壓力(MPa)密封試驗壓力(MPa)適用介質介質溫度(℃)1.01.51.1水0-801.62.41.762.53.752.75

針型閥銅合金球閥銅合金浮球閥銅合金微型過濾器不銹鋼

部件列表
1、導閥2、主閥3、球閥4、壓力表5、針閥主要外形連接尺寸

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