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<rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>正达阀门</title><link>http://www.wzfamen.com/</link><description>不锈钢阀门 安全阀 盲板阀 水力控制阀 球阀 蝶阀 通用阀门 特种阀门 </description><generator>RainbowSoft Studio Z-Blog 1.8 Arwen Build 81206</generator><language>zh-CN</language><copyright>Copyright 2004-2009 永嘉县正达阀门有限公司 Some Rights Reserved.</copyright><pubDate>Sat, 23 Jul 2011 16:39:06 +0800</pubDate><item><title>活塞式多功能水力控制阀 </title><author>zd@wzfamen.com (wzfamen)</author><link>http://www.wzfamen.com/shuiLiFa/131.html</link><pubDate>Sun, 19 Jun 2011 16:31:40 +0800</pubDate><guid>http://www.wzfamen.com/shuiLiFa/131.html</guid><description><![CDATA[<p><img height="160" alt="" width="160" onload="ResizeImage(this,520)" src="http://www.wzfamen.com/upload/000.jpg" /></p>]]></description><category>水力控制阀</category><comments>http://www.wzfamen.com/shuiLiFa/131.html#comment</comments><wfw:comment>http://www.wzfamen.com/</wfw:comment><wfw:commentRss>http://www.wzfamen.com/feed.asp?cmt=131</wfw:commentRss><trackback:ping>http://www.wzfamen.com/cmd.asp?act=tb&amp;id=131&amp;key=7cb44431</trackback:ping></item><item><title>定水位阀</title><author>zd@wzfamen.com (wzfamen)</author><link>http://www.wzfamen.com/shuiLiFa/W100D.html</link><pubDate>Sun, 19 Jun 2011 16:26:31 +0800</pubDate><guid>http://www.wzfamen.com/shuiLiFa/W100D.html</guid><description><![CDATA[<p><img height="160" width="160" onload="ResizeImage(this,520)" alt="" src="http://www.wzfamen.com/upload/W100D.jpg" /></p>]]></description><category>水力控制阀</category><comments>http://www.wzfamen.com/shuiLiFa/W100D.html#comment</comments><wfw:comment>http://www.wzfamen.com/</wfw:comment><wfw:commentRss>http://www.wzfamen.com/feed.asp?cmt=130</wfw:commentRss><trackback:ping>http://www.wzfamen.com/cmd.asp?act=tb&amp;id=130&amp;key=6f35cffa</trackback:ping></item><item><title>安全阀的选用</title><author>zd@wzfamen.com (wzfamen)</author><link>http://www.wzfamen.com/zhishi/anquanfa-xuanyong.html</link><pubDate>Wed, 30 Mar 2011 15:39:38 +0800</pubDate><guid>http://www.wzfamen.com/zhishi/anquanfa-xuanyong.html</guid><description><![CDATA[<p>由操作压力决定安全阀的公称压力，由操作温度决定安全阀的使用温度范围，由计算出的安全阀的定压值决定弹簧或杠杆的定压范围，再根据使用介质决定安全阀的材质和结构型式，再根据安全阀泄放量计算出安全阀的喉径。以下为安全阀选用的一般规则。热水锅炉一般用不封闭带扳手微启式安全阀。</p>]]></description><category>阀门知识库</category><comments>http://www.wzfamen.com/zhishi/anquanfa-xuanyong.html#comment</comments><wfw:comment>http://www.wzfamen.com/</wfw:comment><wfw:commentRss>http://www.wzfamen.com/feed.asp?cmt=96</wfw:commentRss><trackback:ping>http://www.wzfamen.com/cmd.asp?act=tb&amp;id=96&amp;key=5e85732c</trackback:ping></item><item><title>安全阀的常用术语</title><author>zd@wzfamen.com (wzfamen)</author><link>http://www.wzfamen.com/zhishi/shuyu.html</link><pubDate>Sun, 30 Jan 2011 13:17:12 +0800</pubDate><guid>http://www.wzfamen.com/zhishi/shuyu.html</guid><description><![CDATA[<p>工作压力P、工作温度T、整定压力Ps、回座压力Pr、启闭压差△Pbl、排放压力Pb、开启高度h、流道面积A、排量系数Kd、密封试验压力Pt、出厂试验；出厂前对产品所进行的壳体强度、密封性、开启压力的试验。</p>]]></description><category>阀门知识库</category><comments>http://www.wzfamen.com/zhishi/shuyu.html#comment</comments><wfw:comment>http://www.wzfamen.com/</wfw:comment><wfw:commentRss>http://www.wzfamen.com/feed.asp?cmt=128</wfw:commentRss><trackback:ping>http://www.wzfamen.com/cmd.asp?act=tb&amp;id=128&amp;key=c0a7cf06</trackback:ping></item><item><title>电动不锈钢球阀</title><author>zd@wzfamen.com (wzfamen)</author><link>http://www.wzfamen.com/ballvalve/Q941F.html</link><pubDate>Sun, 16 Jan 2011 19:26:27 +0800</pubDate><guid>http://www.wzfamen.com/ballvalve/Q941F.html</guid><description><![CDATA[<p><img height="160" alt="" width="160" src="http://www.wzfamen.com/ballvalve/Q941F.jpg" 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+0800</pubDate><guid>http://www.wzfamen.com/zhishi/anquanfa-fenlei.html</guid><description><![CDATA[<p>生产的安全阀有弹簧式和杆式两大类。另外还有冲量式安全阀、先导式安全阀、安全切换阀、安全解压阀、静重式安全阀等。弹簧式安全阀主要依靠弹簧的作用力而工作，弹簧式安全阀中又有封闭和不封闭的，一般易燃、易爆或有毒的介质应选用封闭式，蒸汽或惰性气体等可以选用不封闭式。</p>]]></description><category>阀门知识库</category><comments>http://www.wzfamen.com/zhishi/anquanfa-fenlei.html#comment</comments><wfw:comment>http://www.wzfamen.com/</wfw:comment><wfw:commentRss>http://www.wzfamen.com/feed.asp?cmt=95</wfw:commentRss><trackback:ping>http://www.wzfamen.com/cmd.asp?act=tb&amp;id=95&amp;key=54d12cdd</trackback:ping></item><item><title>氧气阀的工作原理</title><author>zd@wzfamen.com (wzfamen)</author><link>http://www.wzfamen.com/zhishi/yangqifayuanli.html</link><pubDate>Sat, 09 Oct 2010 13:38:17 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