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    <title>缓闭止回阀</title>
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    <description><![CDATA[<p align=&#34;left&#34; ****=&#34;box-sizing:border-box;margin:0px auto;padding:0px;color:#333333;font-family:arial, &#39;Microsoft Yahei&#39;, &#39;Hiragino Sans GB&#39;, sans-serif;background-image:initial;background-attachment:initial;background-size:initial;background-origin:initial;background-clip:initial;background-position:initial;background-repeat:initial;&#34;><span ****=&#34;box-sizing:border-box;margin:0px auto;padding:0px;font-weight:700;&#34;><span ****=&#34;box-sizing:border-box;margin:0px;padding:0px;line-height:2;font-family:&#39;Microsoft YaHei&#39;;font-size:14px;&#34;>产品用途】</span></span></p>
<p align=&#34;left&#34; ****=&#34;box-sizing:border-box;margin:0px auto;padding:0px;color:#333333;font-family:arial, &#39;Microsoft Yahei&#39;, &#39;Hiragino Sans GB&#39;, sans-serif;background-image:initial;background-attachment:initial;background-size:initial;background-origin:initial;background-clip:initial;background-position:initial;background-repeat:initial;&#34;><span ****=&#34;box-sizing:border-box;margin:0px;padding:0px;line-height:2;font-family:&#39;Microsoft YaHei&#39;;font-size:14px;&#34;>&nbsp;&nbsp;&nbsp;&nbsp; HH44X</span><span ****=&#34;box-sizing:border-box;margin:0px;padding:0px;font-family:宋体;&#34;><span ****=&#34;box-sizing:border-box;margin:0px;padding:0px;font-family:&#39;Microsoft YaHei&#39;;font-size:14px;line-height:2;&#34;>、</span><span ****=&#34;box-sizing:border-box;margin:0px;padding:0px;font-family:&#39;Microsoft YaHei&#39;;font-size:14px;line-height:2;&#34;>HH44T</span><span ****=&#34;box-sizing:border-box;margin:0px;padding:0px;font-family:&#39;Microsoft YaHei&#39;;font-size:14px;line-height:2;&#34;>、</span><span ****=&#34;box-sizing:border-box;margin:0px;padding:0px;font-family:&#39;Microsoft YaHei&#39;;font-size:14px;line-height:2;&#34;>HH44H&nbsp;</span><span ****=&#34;box-sizing:border-box;margin:0px;padding:0px;font-family:&#39;Microsoft YaHei&#39;;font-size:14px;line-height:2;&#34;>型微阻缓闭止回阀用于给排水管道，安装在水泵出口处用来防止介质逆流和消除破坏性水锤，并能有效地减少阀门关闭水锤压力，可保障管网安全运行。</span></span></p>
<p align=&#34;left&#34; ****=&#34;box-sizing:border-box;margin:0px auto;padding:0px;color:#333333;font-family:arial, &#39;Microsoft Yahei&#39;, &#39;Hiragino Sans GB&#39;, sans-serif;background-image:initial;background-attachment:initial;background-size:initial;background-origin:initial;background-clip:initial;background-position:initial;background-repeat:initial;&#34;><span ****=&#34;box-sizing:border-box;margin:0px;padding:0px;line-height:2;font-family:&#39;Microsoft YaHei&#39;;font-size:14px;&#34;>&nbsp;</span></p>
<p align=&#34;left&#34; ****=&#34;box-sizing:border-box;margin:0px auto;padding:0px;color:#333333;font-family:arial, &#39;Microsoft Yahei&#39;, &#39;Hiragino Sans GB&#39;, sans-serif;background-image:initial;background-attachment:initial;background-size:initial;background-origin:initial;background-clip:initial;background-position:initial;background-repeat:initial;&#34;><span ****=&#34;box-sizing:border-box;margin:0px auto;padding:0px;font-weight:700;&#34;><span ****=&#34;box-sizing:border-box;margin:0px;padding:0px;line-height:2;font-family:&#39;Microsoft YaHei&#39;;font-size:14px;&#34;>【产品特点】</span></span></p>
<p align=&#34;left&#34; ****=&#34;box-sizing:border-box;margin:0px auto;padding:0px;color:#333333;font-family:arial, &#39;Microsoft Yahei&#39;, &#39;Hiragino Sans GB&#39;, sans-serif;background-image:initial;background-attachment:initial;background-size:initial;background-origin:initial;background-clip:initial;background-position:initial;background-repeat:initial;&#34;><span ****=&#34;box-sizing:border-box;margin:0px;padding:0px;line-height:2;font-family:&#39;Microsoft YaHei&#39;;font-size:14px;&#34;>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span ****=&#34;box-sizing:border-box;margin:0px;padding:0px;font-family:宋体;&#34;><span ****=&#34;box-sizing:border-box;margin:0px;padding:0px;font-family:&#39;Microsoft YaHei&#39;;font-size:14px;line-height:2;&#34;>微阻缓闭止回阀具有阀瓣轻、开度大、节电效果显著，流体阻力小，水锤消除机构设计新颖，密封性能稳定可靠、耐磨损、使用寿命长、运行平稳、无振动、无噪声等特点。</span></span></p>]]></description>
    <pubDate><![CDATA[2026/4/17 17:19:33]]></pubDate>
    <category><![CDATA[旋启式止回阀]]></category>
    <author><![CDATA[admin]]></author>
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<item>
    <title>旋启式止回阀</title>
    <link>http://www.qqvalves.com/xqszhf/28.html</link>
    <description><![CDATA[&nbsp;H44H、H44Y&nbsp;型&nbsp;PN16~PN250&nbsp;旋启式止回阀适用于压力&nbsp;1.6~25MPa&nbsp;工作温度&nbsp;-29~+550℃&nbsp;的石油、化工、制药、化肥、电力行业等各种工况的管路上，适用介质为水、油品、蒸汽、酸性介质等。]]></description>
    <pubDate><![CDATA[2026/4/17 17:19:33]]></pubDate>
    <category><![CDATA[旋启式止回阀]]></category>
    <author><![CDATA[admin]]></author>
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    <title>美标止回阀</title>
    <link>http://www.qqvalves.com/xqszhf/29.html</link>
    <description><![CDATA[公司生产的美标止回阀，完全按照美国标准设计制造，结构美观、先进。美标止回阀是指依靠介质本身流动而自动开、闭阀瓣，用来防止介质倒流的阀门，又称逆止阀、单向阀、逆流阀，其主要作用是防止介质倒流、防止泵及驱动电动机反转，以及容器介质的泄放。]]></description>
    <pubDate><![CDATA[2026/4/17 17:19:33]]></pubDate>
    <category><![CDATA[旋启式止回阀]]></category>
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    <title>法兰止回阀</title>
    <link>http://www.qqvalves.com/xqszhf/30.html</link>
    <description><![CDATA[H44H、H44Y&nbsp;型&nbsp;PN16~PN250&nbsp;旋启式止回阀适用于压力&nbsp;1.6~25MPa&nbsp;工作温度&nbsp;-29~+550℃&nbsp;的石油、化工、制药、化肥、电力行业等各种工况的管路上，适用介质为水、油品、蒸汽、酸性介质等。]]></description>
    <pubDate><![CDATA[2026/4/17 17:19:33]]></pubDate>
    <category><![CDATA[旋启式止回阀]]></category>
    <author><![CDATA[admin]]></author>
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    <title>电站止回阀</title>
    <link>http://www.qqvalves.com/xqszhf/34.html</link>
    <description><![CDATA[<span ****=&#34;font-size:14px;line-height:21px;&#34;>H64Y&nbsp;型&nbsp;1500(Lb)~2500(Lb)&nbsp;高温对焊止回阀适用于&nbsp;Class1500~2500Lb，工作温度&nbsp;-29~570℃&nbsp;的石油、化工、火力电站等各种工况的管路上。</span>]]></description>
    <pubDate><![CDATA[2026/4/17 17:19:33]]></pubDate>
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