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发明名称
塑料垂直升降式止回阀
摘要
一种塑料垂直升降式止回阀是由1.阀体;2.阀芯;3.三角形密封圈;4.管路连接件四部分组成,主要供作防止管道或设备中介质倒流之用,它是靠介质压力自动开启或关闭的,其特征是:阀体内壁作定位导向,下端装有密封圈可以上下移动的活动阀芯,利用介质压力作为向上移动开启阀门,向下移动即关闭阀门达到止回目的。
申请公布号
CN2366629Y
申请公布日期
2000.03.01
申请号
CN98228357.1
申请日期
1998.02.27
申请人
郑定界
发明人
郑定界
分类号
F16K15/02
主分类号
F16K15/02
代理机构
代理人
主权项
1.一种塑料垂直升降式止回阀是由1.阀体、2.阀芯、3.三角形密封圈、4.“硬PVC压力管道管路连接件”四部组成,其特征是:阀体内壁作定位导向,阀芯(2)可以上下移动,下端装有密封圈(3)
地址
610016四川省成都市锦江区庆云北街32号附142号
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