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href='http://www.btta19.com/news/337.html'>http://www.btta19.com/news/337.html</a>    å‘布旉™—´ : 2022-03-18</div> <div class="info"><span style="font-size:16px;"><b><a href="http://www.btta19.com/" target="_blank">òqÏx¿é˜€</a></b>的密ž®æ€§èƒ½æœ‰å“ªäº›ï¼Ÿæˆ‘们来谈一谈!</span><br /> <p> <span style="font-size:16px;">òqÏx¿é˜€æ˜¯æŒ‡é˜€é—¨å„密封部位é˜ÀL­¢ä»‹è´¨æ³„漏的能力,òqÏx¿é˜€æ˜¯é˜€é—¨æœ€é‡è¦çš„技术性能指标。åã^杉K˜€çš„密ž®éƒ¨ä½æœ‰ä¸‰å¤„ã€?开闭äšg与阀座两密封面的接触部位åQ›å¡«æ–™ã€èŠ¯æŸ±å’Œå¡«æ–™çš„配比和地点åQ›ä¸Žè½¦èín盖的˜qžæŽ¥éƒ¨ã€‚其中前一个泄漏称为内泄漏åQŒç”±äºŽæ‰€è°“的常规关闭不严æ û|¼Œå½±å“é˜€é—¨é˜»éš”介质的能力。对于截止阀¾c»ï¼Œä¸å…è®¸æœ‰å†…漏。从后两个地æ–ÒŽ³„漏叫做外部泄漏。也ž®±æ˜¯è¯ß_¼Œä»‹è´¨ä»Žé˜€å†…向阀外泄漏。外部泄漏会å¯ÆD‡´ææ–™æŸå¤±åQŒæ±¡æŸ“环境,严重时会引è“v事故。对于易燃易爆、有毒或攑ְ„性的介质åQŒæ›´ä¸å…è®¸å¤–漏,阀门必™åÕd…·æœ‰å¯é çš„密封性能ã€?/span> </p> <p style="text-align:center;"> <span style="font-size:16px;"><img src="/uploads/image/20220318/20220318104340_7511.jpg" alt="" /><br /> </span> </p> <span style="font-size:16px;">‹¹åŠ¨ä»‹è´¨</span><br /> <span 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