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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; color: rgb(119, 119, 119); font-family: "Microsoft YaHei", 微软雅黑; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);"><strong style="margin: 0px; padding: 0px;">ZJL型气冷式罗茨真空�?</strong>产品简今�/p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(119, 119, 119); font-family: "Microsoft YaHei", 微软雅黑; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);">气体循环冷却罗茨真空泵（简称气冷罗茨泵）主要由转子1、转�?、泵�?、冷却器7等组成，由于在泵的排气口安装了冷却器，可不断将泵体及转子等进行冷却，确保泵可以在高压差和高压缩比下长期可靠运行、�/p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(119, 119, 119); font-family: "Microsoft YaHei", 微软雅黑; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);">冷却气体从泵体的两侧进入泵的吸气腔，使泵不会因压缩气体而出现过热，但对泵的抽气性能没有任何影响。如图Ⅰ至图Ⅴ是转子在泵腔内旋转并完成一次吸、排气的过程、�/p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(119, 119, 119); font-family: "Microsoft YaHei", 微软雅黑; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);">冷却器和电机是每台气冷罗茨泵*的附件，冷却器和电机的规格是根据不同的工况而定。气冷罗茨泵可以单独使用也可以多台串联使用，或与液环真空泵或普通罗茨真空泵串联成机组，达到更高真空度来满足各类工艺要求、�/p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(119, 119, 119); font-family: "Microsoft YaHei", 微软雅黑; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);"><strong style="margin: 0px; padding: 0px;">ZJL型气冷式罗茨真空�?</strong>主要特点９�/p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(119, 119, 119); font-family: "Microsoft YaHei", 微软雅黑; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);">1. 气冷罗茨泵可以单独使用也可以多级串联使用或与液环泵串联使用、�/p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(119, 119, 119); font-family: "Microsoft YaHei", 微软雅黑; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);">2. 单台气冷罗茨泵直排大气时的工作真空度可以达到150mbar、�/p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(119, 119, 119); font-family: "Microsoft YaHei", 微软雅黑; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);">3. 多级气冷罗茨泵串联或和液环真空泵串联后可以达�?0�?pa的中真空范围、�/p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(119, 119, 119); font-family: "Microsoft YaHei", 微软雅黑; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);">4. 特殊结构设计确保气冷罗茨泵在高压差和高压缩比时不会过热过载、�/p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(119, 119, 119); font-family: "Microsoft YaHei", 微软雅黑; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);">5. 良好的动平衡试验和高精度机械加工确保产品运转平稳、安静、�/p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(119, 119, 119); font-family: "Microsoft YaHei", 微软雅黑; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);">6. 先进的平衡式机械密封使气冷罗茨泵的密封性能更优越、�/p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(119, 119, 119); font-family: "Microsoft YaHei", 微软雅黑; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);">7. 泵腔为无油结构，适用于抽除一般空气及各种特殊气体、�/p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(119, 119, 119); font-family: "Microsoft YaHei", 微软雅黑; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255);">8. 与其它机械真空泵比较，节�?、�/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"}); var _index = $(this).index(); $(".xgfa_box").css("display","none"); 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