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class="list_b"> </div> </div> </div> <div class="nxlxjvf" id="center">  <strong class="strong_title"><font face='Webdings'>4</font>新聞動(dòng)態(tài)</strong> <div class="d5rr9xh" id="bodycontent" class="mianbxContent" style="height:25px;width:90%;text-align:right;"> 您的位置:<a href="/">首頁(yè)</a>>><a href="/newsx/">新聞動(dòng)態(tài)</a> </div> <div class="n95xxh5" id="bodycontent"> <div style="width:742px;height:30px;" class="news_content_title"> <h3 style="color:;margin:0pt 0pt 0pt 0pt;"> <strong>?塑料檢查井之閥門(mén)井的技術(shù)要求</strong> </h3><hr width="95%" size="1" noshade=""> </div> <div style="width:742px; text-align:left; line-height:180%;" class="news_content_body"> <p> <p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; list-style: none; border: 0px; color: rgb(85, 85, 85); font-family: "Microsoft YaHei"; font-size: 12px; white-space: normal; background-color: rgb(255, 255, 255);"><a target="_blank" style="color: rgb(85, 85, 85); text-decoration-line: none; line-height: 21.6px;">塑料檢查井</a><span style="margin: 0px; padding: 0px; list-style: none; border: 0px; line-height: 21.6px;">排水功能強，也有一定的收集雨水作用，可以說(shuō)它的環(huán)保性能很強，而閥門(mén)井是檢查井的一部分，在技術(shù)方面，有著(zhù)比較嚴格的要求。那么閥門(mén)井的技術(shù)要求主要有哪些？<br/><img alt="" src="/static/upload/image/20220221/1645449918122403.jpg" style="margin: 0px; padding: 0px; list-style: none; border: 0px; width: 500px; height: 375px;"/></span><br/><span style="margin: 0px; padding: 0px; list-style: none; border: 0px; line-height: 21.6px;">一、塑料檢查井閥門(mén)井本身不能滲水，必須保證其密封性，以防滲水。</span><br style="line-height: 21.6px;"/><br style="line-height: 21.6px;"/><span style="margin: 0px; padding: 0px; list-style: none; border: 0px; line-height: 21.6px;">　　二、給水管道在使用過(guò)程中，管道會(huì )受到來(lái)自不同方面的壓力，從而會(huì )產(chǎn)生不同程度的抖動(dòng)或沉降，即要求給水管道與閥門(mén)井的連接方式要可靠，能夠適應一定程度的抖動(dòng)和沉降，而不會(huì )使水滲進(jìn)井室；在埋地很深的閥門(mén)井管道稍大時(shí)一般都采用鑄鐵閥門(mén)鑄鐵閥門(mén)長(cháng)期在水里浸泡，會(huì )影響其使用壽命或引起斷裂，因此對密封性的要求更高；</span><br style="line-height: 21.6px;"/><br style="line-height: 21.6px;"/><span style="margin: 0px; padding: 0px; list-style: none; border: 0px; line-height: 21.6px;">　　三、塑料檢查井閥門(mén)井是埋設于地下的，要承受來(lái)自各個(gè)方向的不同壓力，和不同化學(xué)物質(zhì)的腐蝕和侵害，及要求其承壓能力和耐酸堿腐蝕性要好。</span><br style="line-height: 21.6px;"/><br style="line-height: 21.6px;"/><span style="margin: 0px; padding: 0px; list-style: none; border: 0px; line-height: 21.6px;">　　四、閥門(mén)井井筒與井體、井蓋的連接方式要可靠，不能因為大雨或積水就滲水進(jìn)入井室里。</span><br style="line-height: 21.6px;"/><br style="line-height: 21.6px;"/><span style="margin: 0px; padding: 0px; list-style: none; border: 0px; line-height: 21.6px;">　　塑料檢查井之閥門(mén)井，在技術(shù)方面，應該要求它們的密封性能很強，并且需要承受不同的壓力，防腐性能強，因此在技術(shù)層上，要求比較高，這也關(guān)系到檢查井的質(zhì)量。</span></p><div><span style="margin: 0px; padding: 0px; list-style: none; border: 0px; line-height: 21.6px;"><br/></span></div><p><br/></p></p> <br> </div> <div style="width:742px; text-align:right; line-height:180%;" class="news_content_back"> <a href="javascript:history.go(-1)">[返回]</a>??? 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