材质铸钢品牌西博思型号900X连接形式法兰规格DN20-DN800介质温度80（℃）简单描述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***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。详细介绍主要技术参数公称压(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主要零件材料零件名称零件材料阀体阀盖WCB阀座阀盘铜合金密封圈O型圈***橡胶阀杆2Cr13弹簧50CrVA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连接尺寸DNLAA1HH1FDmmD1mmD2mmn-ΦdmmmmmmmmmmmmPN1.0PN2.5PN1.0PN2.5PN1.0PN2.5PN1.0PN2.520180262130212179116105105757558564-13.54-1425180262130212179116115115858568654-13.54-143218026213021217911614014010010078764-17.54-184024028013926521017015015011011088844-17.54-1850240280139265210170165165125125102994-17.54-18652502841413102151801851851451451221184-17.58-18802852921453502452102002001601601331328-17.58-181003603301644603052752202351801901581568-17.58-221254003401695203653102502702102201841848-17.58-261504553501745704153552853002402502122118-228-262005853921956955104603403602953102682748-2212-2625065044222078056050039542535037032033012-2212-3030080047223590565858044548540043037038912-2216-30350860532265102569664050555546049043044816-2216-33400960582290108073571556562051555048250316-2616-364501075632320103061078061567056560053254820-2620-365001075682350113566583067073062066058560920-2620-366001230762390127072592078084572577068572020-3020-397001650832420146086598089596084087580082024-3024-428001750932470164097510501015108596099090592824-3324-48)