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target="_blank" href="https://b2b.bjx.com.cn/Search/?t=hb&s=p&q=%e7%94%b5%e5%8a%a8%e9%80%9a%e9%a3%8e%e8%9d%b6%e9%98%80" title="电动通风蝶阀"> 电动通风蝶阀</a> <a target="_blank" href="https://b2b.bjx.com.cn/Search/?t=hb&s=p&q=%e6%b0%94%e5%8a%a8%e9%80%9a%e9%a3%8e%e8%9d%b6%e9%98%80" title="气动通风蝶阀">气动通风蝶阀</a> <a target="_blank" href="https://b2b.bjx.com.cn/Search/?t=hb&s=p&q=D641W%e6%b0%94%e5%8a%a8%e9%80%9a%e9%a3%8e%e8%9d%b6%e9%98%80" title="D641W气动通风蝶阀">D641W气动通风蝶阀</a> </li> <li><span>行业类型：</span>环保</li> <li> <span>设别类型：</span> <a href="/product/class549_city_p1.shtml" target="_blank">其他</a> <a href="/product/class494_city_p1.shtml" target="_blank"> 风机泵阀管件</a> </li> </ul> </div> <div class="xq_btn clearfix"> <a class="ask" href="/company/8526820/353699/Post.html" target="_blank">我要询价</a> <a onclick="CollectionProduct(353699);" class="cang">收藏产品</a> </div> <div class="xq_lx"> <p> <span>联系人：</span><span class="name"> 鲍静 </span> <i class="zhu">(来电时请说是从北极星看到我的)</i> </p> <p id="contactMobile"> <span> 联系方式： 18717864284 </span> </p> </div> </div> </div> <div class="detail_product_content_bottom"> <div class="content_sharing"> <span class="title">商品信息</span> <div class="sharing"> <div class="bdsharebuttonbox"> <a href="#" class="bds_qzone" data-cmd="qzone" title="分享到QQ空间"></a> <a href="#" class="bds_tsina" data-cmd="tsina" title="分享到新浪微博"></a> <a href="#" class="bds_weixin" data-cmd="weixin" title="分享到微信"></a> <a href="#" class="bds_sqq" data-cmd="sqq" title="分享到QQ好友"></a> <a href="#" class="bds_more" data-cmd="more"></a> </div> </div> </div> <div class="product_content"> <div><b><font size="4"><strong><span>结构特点</span></strong></font></b></div> <div><span><strong>1.</strong>采用中线式碟板与短结构钢板焊接的新型结构形式设计制造的，结构紧凑、重量轻、便于安装、流阻小、流通量大，避免高温膨胀的影响，操作轻便。</span></div> <div><span><strong>2.</strong>内无连杆、螺栓等、工作可靠、使用寿命长。可以多工位安装，不受介质流向影响</span></div> <div><b><font size="4"><strong><span>用途</span></strong></font></b></div> <div><strong>单作用废气通风阀，烟气管道法兰蝶阀</strong><span>是一种非密闭型蝶阀，广泛适用于建材、冶金、矿山、电力等生产过程种介质温度≤300℃公称压力为0.1Mpa的管道上，用以连通、启闭或调节介质量。</span></div> <div><strong><span>工作原理</span></strong></div> <div><span>分为手动和电动传动，可由电动机或者涡轮带动驱动执行机构，使蝶板在90°范围内自由转动以达到启闭或调节介质流量的目的。</span></div> <div><strong><span>安装要点</span></strong></div> <div><span><strong>1.</strong>安装位置、高度、进出口方向必须符合设计要求，注意介质流动的方向应与阀体所标箭头方向*，连接应牢固紧密。</span></div> <div><strong><span>特点</span></strong></div> <div><span><strong>通风蝶阀</strong>的结构是使用中线蝶板和短结构钢板进行焊接而成的，所以它的内部没有连杆和螺栓等组件，在使用过程中也就不会产生一些组件问题，因此故障率很低。使用起来很方便。是一种可靠的阀门装置。而且因为它的密封系统采用的是金属封闭，虽然密封效果比不上弹性密封，但是使用寿命要比弹性密封长，而且具有耐高温的特性。所以在建材、电力、冶金等行业都有着广泛的应用。在温度不高于300度的介质输送管道中，都可以*的实现连接和关闭调节作用。这种蝶阀还可以根据客户的需要来特殊定制，十分的人性化。<br /> 因为<strong>通风蝶阀</strong>的蝶板与阀体间的间隙很大，有足够的膨胀空间，所以在使用过程中它可以有效的防止因为温度变化带来的热胀冷缩的情况，也就不会产生蝶板卡死的现象了。常见的蝶阀有多种的驱动方式，有手动驱动的，也有电动驱动的和气动驱动的等等，选择的余地非常的大。因为材质的缘故，这种蝶阀还具备耐高温的特性，开关的时候也不会有摩擦，使用寿命极长。<strong>通风蝶阀</strong>是一种使用钢板焊接制作而成的的阀门，它具有尺寸小重量轻容易安装等特点，而且因为它的流动阻力小，流通量大，不会受到高温膨胀的影响。它的驱动力矩较小，开关非常的灵活，所以操作起来很方便。深受业内人士的喜爱。</span></div> <p><strong >2.</strong><span>阀门安装前必须进行外观检查，阀门的铭牌应符合现行国家标准《通用阀门标志》GB 12220的规定。对于工作压力大于1.0 MPa 及在主干管上起到切断作用的阀门，安装前应进行强度和严密性能试验，合格后方准使用。强度试验时，试验压力为公称压力的1.5倍，持续时间不少于5min，阀门壳体、填料应无渗漏为合格。严密性试验时，试验压力为公称压力的1.1倍；试验持续的时间符合GB 50243要求。</span> </p>  <style> div.mianze { padding: 25px 0; border-top: 1px dashed #ccc; color: #333; } div.mianze h6 { font-size: 14px; background: url(../../../../Content/images/disc.png) no-repeat left center; padding-left: 10px; font-family: '宋体'; } </style> <div class="mianze">  <p style="font-size:14px;line-height:22px; 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