<*n lang="EN-US" style="text-indent: 2em; line-height: 18pt;"><*n lang="EN-US" style="font-size: 9pt; font-family: 宋体; background-position: initial initial; background-repeat: initial initial;"><*n lang="EN-US">陶瓷<*n lang="EN-US" style="font-size: 9pt; font-family: 宋体; background-position: initial initial; background-repeat: initial initial;"><*n lang="EN-US">对夹止回阀<*n style="text-indent: 2em; line-height: 18pt; font-size: 9pt; font-family: 宋体; color: rgb(51, 51, 51);">又称单向阀或逆止阀，其作用是****管路中的介质倒流。水泵吸水关的底阀也属于止回阀类。<*n style="text-indent: 2em; line-height: 18pt; font-size: 9pt; font-family: Tahoma, sans-serif; color: rgb(51, 51, 51);"> <*n style="text-indent: 2em; line-height: 18pt; font-size: 9pt; font-family: 宋体; color: rgb(51, 51, 51);">启闭件靠介质流动和力量自行开启或关闭，以****介质倒流的阀门叫止回阀。止回阀属于自动阀类，主要用于介质单向流动的管道上，只允许介质向一个方向流动，以****发生事故。<*n style="text-indent: 2em; line-height: 18pt; font-size: 9pt; font-family: Tahoma, sans-serif; color: rgb(51, 51, 51);"> <*n style="text-indent: 2em; line-height: 18pt; font-size: 9pt; font-family: 宋体; color: rgb(51, 51, 51);">止回阀按结构划分，可分为升降式止回阀、旋启式止回阀和蝶式止回阀三种。升降式止回阀可分为立式和卧式两种。旋启式止回阀分为单瓣式、双瓣式和多瓣式三种。蝶式止回阀为直通式、以上几种止回阀在连接形式上可分为螺纹连接、法兰连接和焊接三种。产品广泛应用于石油、化工、制药、电力行业等各种工况的管路上。<*n class="apple-converted-*ce" style="text-indent: 2em; line-height: 18pt;"><*n lang="EN-US" style="font-size: 9pt; font-family: Tahoma, sans-serif; color: rgb(51, 51, 51); background-position: initial initial; background-repeat: initial initial;"> 

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<*n style="font-size: 9pt; font-family: 宋体; color: rgb(51, 51, 51); background-position: initial initial; background-repeat: initial initial;">特点：<*n class="apple-converted-*ce"><*n lang="EN-US" style="font-size: 9pt; font-family: Tahoma, sans-serif; color: rgb(51, 51, 51); background-position: initial initial; background-repeat: initial initial;"> <*n lang="EN-US" style="font-size:9.0pt;font-family:"Tahoma","sans-serif";color:#333333">
<*n style="background-position: initial initial; background-repeat: initial initial;">1<*n style="font-size: 9pt; font-family: 宋体; color: rgb(51, 51, 51); background-position: initial initial; background-repeat: initial initial;">、阀辨与阀座均采用*结构增韧陶瓷制造。<*n class="apple-converted-*ce"><*n lang="EN-US" style="font-size: 9pt; font-family: Tahoma, sans-serif; color: rgb(51, 51, 51); background-position: initial initial; background-repeat: initial initial;"> <*n lang="EN-US" style="font-size:9.0pt;font-family:"Tahoma","sans-serif";color:#333333">
<*n style="background-position: initial initial; background-repeat: initial initial;">2<*n style="font-size: 9pt; font-family: 宋体; color: rgb(51, 51, 51); background-position: initial initial; background-repeat: initial initial;">、该品为手行式闸板结构。密封可靠、启闭轻便、维修方便。<*n class="apple-converted-*ce"><*n lang="EN-US" style="font-size: 9pt; font-family: Tahoma, sans-serif; color: rgb(51, 51, 51); background-position: initial initial; background-repeat: initial initial;"> <*n lang="EN-US" style="font-size:9.0pt;font-family:"Tahoma","sans-serif";color:#333333">
<*n style="background-position: initial initial; background-repeat: initial initial;">3<*n style="font-size: 9pt; font-family: 宋体; color: rgb(51, 51, 51); background-position: initial initial; background-repeat: initial initial;">、本品具有高*、耐冲刷等特点。<*n class="apple-converted-*ce"><*n lang="EN-US" style="font-size: 9pt; font-family: Tahoma, sans-serif; color: rgb(51, 51, 51); background-position: initial initial; background-repeat: initial initial;"> <*n lang="EN-US" style="font-size:9.0pt;font-family:"Tahoma","sans-serif";color:#333333">
<*n style="background-position: initial initial; background-repeat: initial initial;">4<*n style="font-size: 9pt; font-family: 宋体; color: rgb(51, 51, 51); background-position: initial initial; background-repeat: initial initial;">、适用于水管道安装。电磁阀<*n class="apple-converted-*ce"><*n lang="EN-US" style="font-size: 9pt; font-family: Tahoma, sans-serif; color: rgb(51, 51, 51); background-position: initial initial; background-repeat: initial initial;"> <*n lang="EN-US" style="font-size:9.0pt;font-family:"Tahoma","sans-serif";color:#333333">
<*n style="font-size: 9pt; font-family: 宋体; color: rgb(51, 51, 51); background-position: initial initial; background-repeat: initial initial;">适用工况<*n class="apple-converted-*ce"><*n lang="EN-US" style="font-size: 9pt; font-family: Tahoma, sans-serif; color: rgb(51, 51, 51); background-position: initial initial; background-repeat: initial initial;"> <*n lang="EN-US" style="font-size:9.0pt;font-family:"Tahoma","sans-serif";color:#333333">
<*n style="font-size: 9pt; font-family: 宋体; color: rgb(51, 51, 51); background-position: initial initial; background-repeat: initial initial;">适用于电力、煤矿、化工、钢厂、污水等行业。灰渣水混合物，渣水比<*n lang="EN-US" style="font-size: 9pt; font-family: Tahoma, sans-serif; color: rgb(51, 51, 51); background-position: initial initial; background-repeat: initial initial;">>1<*n style="font-size: 9pt; font-family: 宋体; color: rgb(51, 51, 51); background-position: initial initial; background-repeat: initial initial;">：<*n lang="EN-US" style="font-size: 9pt; font-family: Tahoma, sans-serif; color: rgb(51, 51, 51); background-position: initial initial; background-repeat: initial initial;">6<*n style="font-size: 9pt; font-family: 宋体; color: rgb(51, 51, 51); background-position: initial initial; background-repeat: initial initial;">，固体颗粒粒度<*n lang="EN-US" style="font-size: 9pt; font-family: Tahoma, sans-serif; color: rgb(51, 51, 51); background-position: initial initial; background-repeat: initial initial;">≤50<*n style="font-size: 9pt; font-family: 宋体; color: rgb(51, 51, 51); background-position: initial initial; background-repeat: initial initial;">㎜。<*n class="apple-converted-*ce"><*n lang="EN-US" style="font-size: 9pt; font-family: Tahoma, sans-serif; color: rgb(51, 51, 51); background-position: initial initial; background-repeat: initial initial;"> <*n lang="EN-US" style="font-size:9.0pt; font-family:"Tahoma","sans-serif";color:#333333">
<*n style="font-size: 9pt; font-family: 宋体; color: rgb(51, 51, 51); background-position: initial initial; background-repeat: initial initial;">技术参数<*n class="apple-converted-*ce"><*n lang="EN-US" style="font-size: 9pt; font-family: Tahoma, sans-serif; color: rgb(51, 51, 51); background-position: initial initial; background-repeat: initial initial;"> <*n lang="EN-US" style="font-size:9.0pt;font-family:"Tahoma","sans-serif";color:#333333">
<*n style="background-position: initial initial; background-repeat: initial initial;">1<*n style="font-size: 9pt; font-family: 宋体; color: rgb(51, 51, 51); background-position: initial initial; background-repeat: initial initial;">、<*n style="font-size: 9pt; font-family: Tahoma, sans-serif; color: rgb(51, 51, 51); background-position: initial initial; background-repeat: initial initial;"> <*n style="font-size: 9pt; font-family: 宋体; color: rgb(51, 51, 51); background-position: initial initial; background-repeat: initial initial;">公称压力：<*n lang="EN-US" style="font-size: 9pt; font-family: Tahoma, sans-serif; color: rgb(51, 51, 51); background-position: initial initial; background-repeat: initial initial;">  1.0MPa-1.6MPa<*n class="apple-converted-*ce"> <*n lang="EN-US" style="font-size:9.0pt;font-family:"Tahoma","sans-serif";color:#333333">
<*n style="background-position: initial initial; background-repeat: initial initial;">2<*n style="font-size: 9pt; font-family: 宋体; color: rgb(51, 51, 51); background-position: initial initial; background-repeat: initial initial;">、<*n style="font-size: 9pt; font-family: Tahoma, sans-serif; color: rgb(51, 51, 51); background-position: initial initial; background-repeat: initial initial;"> <*n style="font-size: 9pt; font-family: 宋体; color: rgb(51, 51, 51); background-position: initial initial; background-repeat: initial initial;">公称通经：<*n lang="EN-US" style="font-size: 9pt; font-family: Tahoma, sans-serif; color: rgb(51, 51, 51); background-position: initial initial; background-repeat: initial initial;">  DN15-DN150<*n class="apple-converted-*ce"> <*n lang="EN-US" style="font-size:9.0pt;font-family:"Tahoma","sans-serif";color:#333333">
<*n style="background-position: initial initial; background-repeat: initial initial;">3<*n style="font-size: 9pt; font-family: 宋体; color: rgb(51, 51, 51); background-position: initial initial; background-repeat: initial initial;">、<*n style="font-size: 9pt; font-family: Tahoma, sans-serif; color: rgb(51, 51, 51); background-position: initial initial; background-repeat: initial initial;"> <*n style="font-size: 9pt; font-family: 宋体; color: rgb(51, 51, 51); background-position: initial initial; background-repeat: initial initial;">适用温度：<*n lang="EN-US" style="font-size: 9pt; font-family: Tahoma, sans-serif; color: rgb(51, 51, 51); background-position: initial initial; background-repeat: initial initial;">  -40°****25°C<*n class="apple-converted-*ce"> <*n lang="EN-US" style="font-size:9.0pt;font-family:"Tahoma","sans-serif";color:#333333">
<*n style="background-position: initial initial; background-repeat: initial initial;">4<*n style="font-size: 9pt; font-family: 宋体; color: rgb(51, 51, 51); background-position: initial initial; background-repeat: initial initial;">、<*n style="font-size: 9pt; font-family: Tahoma, sans-serif; color: rgb(51, 51, 51); background-position: initial initial; background-repeat: initial initial;"> <*n style="font-size: 9pt; font-family: 宋体; color: rgb(51, 51, 51); background-position: initial initial; background-repeat: initial initial;">连接形式：<*n lang="EN-US" style="font-size: 9pt; font-family: Tahoma, sans-serif; color: rgb(51, 51, 51); background-position: initial initial; background-repeat: initial initial;">  <*n style="font-size: 9pt; font-family: 宋体; color: rgb(51, 51, 51); background-position: initial initial; background-repeat: initial initial;">对夹<*n lang="EN-US" style="font-size: 9pt; font-family: Tahoma, sans-serif; color: rgb(51, 51, 51); background-position: initial initial; background-repeat: initial initial;">

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