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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"> <ol class=" list-paddingleft-2" style="padding: 0px; font-stretch: normal; font-size: 12px; line-height: normal; font-family: 宋体, "Arial Narrow", HELVETICA; color: rgb(102, 102, 102); background: rgb(255, 255, 255); white-space: normal;"><li><p><span style="font-size: 16px; background-color: rgb(255, 255, 255); color: rgb(0, 0, 0);">闸阀的启闭件是闸板，闸板的运动方向和流体方向相垂直，闸阀只能作全开和全关，两个密封面行程楔形角随阀门参数而异，通常5°，介质温度不高是�?.52°。改善其公益性，弥补密封面角度再加工过程中参数的偏差，这种闸板叫做弹性闸板、�br/></span></p></li><li><p><span style="font-size: 16px; background-color: rgb(255, 255, 255); color: rgb(0, 0, 0);">启闭时较省力，是与截止阀相比而言，因为无论是开或关，闸板运到方向均匀介质流动方向相垂直、�/span></p></li><li><p><span style="font-size: 16px; background-color: rgb(255, 255, 255); color: rgb(0, 0, 0);">高度大，启闭时间长。闸板的启闭行程较大，降是通过螺杆进行的。水锤现象不易产生。原因是关闭时间长、�/span></p></li><li><p><span style="font-size: 16px; background-color: rgb(255, 255, 255); color: rgb(0, 0, 0);">介质可向两侧任意方向流动，易于安装。闸阀通道两侧是对称的结构长度较小、�/span></p></li><li><p><span style="font-size: 16px; background-color: rgb(255, 255, 255); color: rgb(0, 0, 0);">形体简单，结构长度短，制造工艺好，使用范围广、�/span></p></li><li><p><span style="font-size: 16px; background-color: rgb(255, 255, 255); color: rgb(0, 0, 0);">结构紧凑，阀门刚行好，通道流畅，流阻数小，密封面采用不锈钢和硬质合金，使用寿命长，采用PTFE填料，密封可靠，操作轻便灵活、�/span></p></li></ol><p>公称通径：DN15—DN800<br/></p><p>工作压力：PN4.0、PN6.4、PN100</p><p>工作温度�?15�?00ℂ�/p><p>密封材质：本体硬密封</p><p>阀芯材质：碳钢、SS304、SS316�?205�?507</p><p>阀体材质：球墨铸铁、碳钢、SS304、SS316�?205�?507</p><p>介质：水、气体、蒸汽、油�?/p><p>运用领域：水处理、化工、电厂、石油等</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;"> 介质可向两侧任意方向流动，易于安装。闸阀通道两侧是对称的结构长度较小、�br /> 形体简单，结构长度短，制造工艺好，使用范围广、�br /> 结构紧凑，阀门刚行好，通道流畅，流阻数小，密封面采用不锈钢和硬质合金，使用寿命长，采用PTFE填料，密封可靠，操作轻便灵活� </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"}); 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