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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>一、多级泵产品概述９�/p><p>DL立式多级离心泵是采用推荐使用的节能产品IS型泵的水力模型，为立式多级多节段式结构。螺杆把进水段、中段、出水段夹紧联成一体。水泵每一级装一个叶轮、一个导水叶。轴向力采用水力平衡法解决，残余轴向力由球轴轴承承受，用油脂润滑。轴封采用软填料或机械密封。产品执行JB/T2727-93《立式多级离心泵型式与基本参数》标准，主要供吸送稀释的、清洁的、不腐蚀的、不爆炸的清水及物理化学性质类似水的不含固体颗粒或纤维的液体、�/p><p><br/></p><p>二、多级泵适用范围９�/p><p>广泛应用于高层建筑的消防、生活供水以及空调机组循环、冷却水输�?/p><p><br/></p><p>三、多级泵产品特点９�/p><p>1、水力模型：效率高，性能范围广、�/p><p>2、结构新颖，取消了平衡鼓，其轴向力采用水力平衡，决了平衡鼓易锈蚀、易咬死、易磨损的问题，保证了运行更加可靠、�/p><p>3、更少的运行、维修费用：采用机械密封，耐磨损、无泄漏、使用寿命长，故障率低，具有更少的运行维修费用、�/p><p>4、运行平稳，噪音低：采用低转速电机，使泵运行平稳，噪音更低、�/p><p>5、立式结构，占地面积小、�/p><p><br/></p><p>四、多级泵技术参数：</p><p>流量�?.2-504m3/h：�/p><p>扬程�?4-240m：�/p><p>功率�?.5-450kw：�/p><p>转速：1480r/min：�/p><p>口径：�?0-φ250：�/p><p>温度范围�?-+90℃；</p><p>工作压力：≤2.4Mpa、�/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"}); 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