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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: 0px; padding: 0px; box-sizing: border-box; font-family: "microsoft yahei", 宋体, Arial; white-space: normal; background-color: rgb(255, 255, 255); -webkit-tap-highlight-color: rgba(255, 255, 255, 0); color: rgb(51, 51, 51); overflow-y: auto; max-width: 100%; line-height: 24px;"><span style="margin: 0px; padding: 0px; box-sizing: border-box; font-family: sans-serif;">圆形板壳式换热器通常情况下我们说的有三大件，一是板束，二是阻流器，三是壳体、�/span><br style="margin: 0px; padding: 0px; box-sizing: border-box; font-family: "microsoft yahei";"/></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; box-sizing: border-box; font-family: "microsoft yahei"; color: rgb(68, 68, 68); white-space: normal; background-color: rgb(255, 255, 255);">一般来说板壳式换热器主要由板片焊接成的板束 plate pack，筒体cylinder，接管connection，法兰flanges，螺栓bolts, 以及焊材welding material组成、�/p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; box-sizing: border-box; font-family: "microsoft yahei"; color: rgb(68, 68, 68); white-space: normal; background-color: rgb(255, 255, 255);">板束的主要材料有SUS304L，SUS316L，AISI 904，Titanium，Hastelloy，SMO254，Nickel。板束作为板壳式换热器的核心换热元件，其可供选择的材料也是多的。不同的工况需要的材料也不相同、�/p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; box-sizing: border-box; font-family: "microsoft yahei"; color: rgb(68, 68, 68); white-space: normal; background-color: rgb(255, 255, 255);">筒体的主要材料有Q345R和SUS304。Q345R的特点是耐磨损，耐高温，耐腐蚀，强度和屈服度高，使用广泛、�/p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; box-sizing: border-box; font-family: "microsoft yahei"; color: rgb(68, 68, 68); white-space: normal; background-color: rgb(255, 255, 255);">接管的主要材料有20号碳钢，SUS304以及SUS316L�?0号碳钢焊接性和韧性比较好、�/p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; box-sizing: border-box; font-family: "microsoft yahei"; color: rgb(68, 68, 68); white-space: normal; background-color: rgb(255, 255, 255);">法兰的主要材料有Q235B�?0号碳钢以及SUS304。Q235B碳素钢含碳适中，综合性能好，使用广泛、�/p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; box-sizing: border-box; font-family: "microsoft yahei"; color: rgb(68, 68, 68); white-space: normal; background-color: rgb(255, 255, 255);">螺栓的主要材料有45号钢�?0Cr�?5CrMoA和SUS304等、�/p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; box-sizing: border-box; font-family: "microsoft yahei"; color: rgb(68, 68, 68); white-space: normal; background-color: rgb(255, 255, 255);">焊材的主要材质有J422，J507以及ER308等、�/p><p><br/></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"}); 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