巨良阀门巨良JLD671X-16气动对夹蝶阀开关切断阀橡胶软密封开关阀�?参数-价格-中国粉体罐�/title>

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} }); function showliuyan(me, showtype){ if(showtype==0){ //$("#Content").val($("#Content").attr('placeholder')); Content= document.getElementById('PopMsgFrom').Content.getAttribute('placeholder'); document.getElementById('PopMsgFrom').Content.value=Content; } if(showtype==1){ // $("#Content").val($(me).text()); alert($(me).text()); document.getElementById('PopMsgFrom').Content.value=$(me).text(); } $(".fxp").css("display","flex"); } function close_popwin(){ $(".fxp").css("display","none"); // 关闭虚拟电话后的留言� $(".dhxj").css("display","none"); $(".dhxjbox").css("display", "none"); $(".dhxjbox2").css("display", "none"); return false; } </script>  <div class="cpjs"> <div class="cpjs_tab"> <div class="js_cpjj" style="border-bottom: 3px solid #1479d7; color: #1479d7;">产品介绍</div> <div class="js_cxd">创新炸�/div> <div class="js_xgfa">相关方案</div> <div class="js_xgzl">相关资料</div> <div class="js_yhpl">用户评论</div> <div class="js_gsdt">公司动�?/div> <div class="js_wsj">问商宵�/div> </div> <script> $(function(){ // 切换 $(".cpjs_tab a").click(function(){ $(".cpjs_tab a").css({"color":"#4F5862","border-bottom-color":"transparent"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p style="margin-top: 0px; margin-bottom: 15px; padding: 0px; line-height: 24px; text-indent: 2em;">气动对夹蝶阀，蝶阀配上气动执行器。气动执行器的执行速度相对较快，并且不需要工人亲力亲为，在很大程度上节约了人力资源以及时间。蝶阀的蝶板安装于管道的直径方向。在蝶阀阀体圆柱形通道内，圆盘形蝶板绕着轴线旋转，阀门初始位置根据实际需求而定，当阀门由初始位置旋转90°后即为一个动作结�?由开到关，或由关到开)，反之为另外一个动�?由关到开，或由开到关)结束、�/p><p style="margin-top: 0px; margin-bottom: 15px; padding: 0px; color: rgb(51, 51, 51); line-height: 24px; text-indent: 2em; zoom: 1; font-family: arial, sans-serif; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);">主要优点，结构简单，体积小重量轻，造价低，气动碟阀该特点尤其显著，安装在高空暗道，经过二位五通电磁阀控制操作方便，也可调节流量介质。流体阻力较小，中大口径的气动碟阀全开时有效流通面积较大，启闭迅速省力，碟扳旋转90角度即可完成启闭，由于转轴两侧碟板手介质作用力接近相等，而产生的转矩方向相反，因而启闭力矩较小，低压下可实现良好的密封，碟阀密封材料有丁晴橡胶、氟橡胶，食用橡胶，衬四氟故密封性能良好，其中硬密封碟阀为软硬层叠式金属片具有金属硬密封和弹性密封的重优点，无论在低温情况下均具有优良的密封性能、�/p><p style="margin-top: 0px; margin-bottom: 15px; padding: 0px; color: rgb(51, 51, 51); line-height: 24px; text-indent: 2em; zoom: 1; font-family: arial, sans-serif; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);">气动法兰蝶阀结构工作原理适用环境分析</p><p style="margin-top: 0px; margin-bottom: 15px; padding: 0px; color: rgb(51, 51, 51); line-height: 24px; text-indent: 2em; zoom: 1; font-family: arial, sans-serif; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);">蝶阀结构简单、体积小、重量轻，只由少数几个零件组成。而且只需旋转90°即可快速启闭，操作简单，同时该电动阀门具有良好的流体控制特性。蝶阀处于完全开启位置时，蝶板厚度是介质流经阀体时**的阻力，因此通过该阀门所产生的压力降很小，故具有较好的流量控制特性。蝶阀有弹密封和金属的密封两种密封型式。弹性密封阀门，密封圈可以镶嵌在阀体上或附在蝶板周边、�/p><p style="margin-top: 0px; margin-bottom: 15px; padding: 0px; color: rgb(51, 51, 51); line-height: 24px; text-indent: 2em; zoom: 1; font-family: arial, sans-serif; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);">采用金属密封的阀门一般比弹性密封的阀门寿命长，但很难做到完全密封。金属密封能适应较高的工作温度，弹性密封则具有受温度限制的缺陷、�/p><p style="margin-top: 0px; margin-bottom: 15px; padding: 0px; color: rgb(51, 51, 51); line-height: 24px; text-indent: 2em; zoom: 1; font-family: arial, sans-serif; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);">如果要求蝶阀作为流量控制使用，主要的是正确选择阀门的尺寸和类型。蝶阀的结构原理尤其适合制作大口径阀门。蝶阀不仅在石油、煤气、化工、水处理等一般工业上得到广泛应用，而且还应用于热电站的冷却水系绞�/p><p><img src="//www.znpla.com/img1/img/daily/2022/10/07/161428_715396_procont.jpg" title="161428_715396_procont.jpg" alt="阀门主图模�?jpg"/></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; font-size: 14px; margin: 10px 0 0; line-height: 26px;"> 暂无数据� </p> </div>  <div class="xgfa"> <div class="xgfa_tit"> <div> <span></span>相关方案 </div> </div> <div class="xgfa_box" style="display: block;"><div style="padding:10px;">暂无相关方案、�/div> </div> </div> <script> $(function(){ // 切换 $(".xgfa_tit_ul li").hover(function(){ $(".xgfa_tit_ul li").css({"color":"#4F5862","border-bottom-color":"transparent"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); var _index = $(this).index(); $(".xgfa_box").css("display","none"); $(".xgfa_box").eq(_index).css("display","block"); 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