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发明名称
燃气停气自动切断安全阀
摘要
本实用新型适用于燃气管道输送停气时自动切断燃气通路,也适用于其他气体管道输送减压或停气时自动切断气体通路。停气时,滑阀(9)切断输出孔(19),通气时,气体进入上空腔(31),使滑阀(9)两侧充以相同压强的气体,滑阀位置自锁,将转换阀旋钮(21)转动90度,即可解除切断自锁状态,恢复正常供气,同已有的阀相比,具有自动切断,切断状态自锁,操作方便,通用性强等优点。
申请公布号
CN2084142U
申请公布日期
1991.09.04
申请号
CN90212440.4
申请日期
1990.03.22
申请人
周勇
发明人
周勇;周革
分类号
F16K17/168
主分类号
F16K17/168
代理机构
代理人
主权项
1、一种燃气停气自动切断安全阀:有阀体、滑阀、转换阀,其特征是:滑阀(9)位于(12)的内空腔,并将阀体(12)的内空腔隔断为上空腔(31)和下空腔(29);转换阀(28)位于阀体(12)的勾通通道(27)和输出通道(18)之间。
地址
610017四川省成都市北书院街1-1号505
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