昊赛泵业JZJ2S系列罗茨——水环真空机�?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="box-sizing: border-box; animation-fill-mode: both; padding: 0px; margin-top: 0px; margin-bottom: 0px; list-style-type: none; line-height: 30px; font-family: 微软雅黑; color: rgb(112, 112, 112); white-space: normal; background-color: rgb(255, 255, 255);"><strong style="box-sizing: border-box; animation-fill-mode: both; padding: 0px; margin: 0px;">罗茨水环真空机组的选择９�/strong></p><p style="box-sizing: border-box; animation-fill-mode: both; padding: 0px; margin-top: 0px; margin-bottom: 0px; list-style-type: none; line-height: 30px; font-family: 微软雅黑; color: rgb(112, 112, 112); white-space: normal; background-color: rgb(255, 255, 255);">　　罗茨真空机组在一般情况下，选用水环泵作为前级泵比其它真空泵更为有利，这主要是由于它能够抽除大量的可凝性蒸汽，特别是当气镇油封机械真空泵排除可凝性蒸汽能力不够，或使用的溶剂能使泵油恶化而影响性能，或者是真空系统不允许油污染的时候更为明显。在选择真空机组时，一般需要真空机组的极限真空度要高于工作真空度半个到一个数量级以上才能满足使用要求、�/p><p style="box-sizing: border-box; animation-fill-mode: both; padding: 0px; margin-top: 0px; margin-bottom: 0px; list-style-type: none; line-height: 30px; font-family: 微软雅黑; color: rgb(112, 112, 112); white-space: normal; background-color: rgb(255, 255, 255);"><strong style="box-sizing: border-box; animation-fill-mode: both; padding: 0px; margin: 0px;">罗茨水环真空机组大致有如下几种类型：</strong></p><p style="box-sizing: border-box; animation-fill-mode: both; padding: 0px; margin-top: 0px; margin-bottom: 0px; list-style-type: none; line-height: 30px; font-family: 微软雅黑; color: rgb(112, 112, 112); white-space: normal; background-color: rgb(255, 255, 255);">　　•罗茨泵+水环泵：机组中水环泵的作用是造成罗茨泵所需的预备真空、�/p><p style="box-sizing: border-box; animation-fill-mode: both; padding: 0px; margin-top: 0px; margin-bottom: 0px; list-style-type: none; line-height: 30px; font-family: 微软雅黑; color: rgb(112, 112, 112); white-space: normal; background-color: rgb(255, 255, 255);">　　•罗茨泵+罗茨�?水环泵：一台罗茨泵的极限真空度是较低的，特别是当它与水环泵组合运行时，使用范围受到限制，整个机组的极限真空度可能更低，但若用两台罗茨泵串联再与水环泵组合，就能大大提高机组的极限真空度、�/p><p style="box-sizing: border-box; animation-fill-mode: both; padding: 0px; margin-top: 0px; margin-bottom: 0px; list-style-type: none; line-height: 30px; font-family: 微软雅黑; color: rgb(112, 112, 112); white-space: normal; background-color: rgb(255, 255, 255);">　　•罗茨泵+罗茨�?罗茨�?水环泵：如两台罗茨泵+水环泵的方式还不能满足真空度要求时，可再加一级罗茨泵，此类罗茨水环真空机组在真空冷冻干燥等高真空工艺中得到了广泛地应用、�/p><p style="box-sizing: border-box; animation-fill-mode: both; padding: 0px; margin-top: 0px; margin-bottom: 0px; list-style-type: none; line-height: 30px; font-family: 微软雅黑; color: rgb(112, 112, 112); white-space: normal; background-color: rgb(255, 255, 255);"><strong style="box-sizing: border-box; animation-fill-mode: both; padding: 0px; margin: 0px;">型号表示方法</strong></p><p style="box-sizing: border-box; animation-fill-mode: both; padding: 0px; margin-top: 0px; margin-bottom: 0px; list-style-type: none; line-height: 30px; font-family: 微软雅黑; color: rgb(112, 112, 112); white-space: normal; background-color: rgb(255, 255, 255);">如：J Z J 2 S 150 - 2.1</p><p style="box-sizing: border-box; animation-fill-mode: both; padding: 0px; margin-top: 0px; margin-bottom: 0px; list-style-type: none; line-height: 30px; font-family: 微软雅黑; color: rgb(112, 112, 112); white-space: normal; background-color: rgb(255, 255, 255);">　　J代表机组�?*个字毌�/p><p style="box-sizing: border-box; animation-fill-mode: both; padding: 0px; margin-top: 0px; margin-bottom: 0px; list-style-type: none; line-height: 30px; font-family: 微软雅黑; color: rgb(112, 112, 112); white-space: normal; background-color: rgb(255, 255, 255);">　　ZJ代表主录为ZJ系列罗茨真空泴�/p><p style="box-sizing: border-box; animation-fill-mode: both; padding: 0px; margin-top: 0px; margin-bottom: 0px; list-style-type: none; line-height: 30px; font-family: 微软雅黑; color: rgb(112, 112, 112); white-space: normal; background-color: rgb(255, 255, 255);">　　2S代表前级录为2SK系列�?�?环真空泵(2B代表前级录为2BV/2BE系列�?�?环真空泵)</p><p style="box-sizing: border-box; animation-fill-mode: both; padding: 0px; margin-top: 0px; margin-bottom: 0px; list-style-type: none; line-height: 30px; font-family: 微软雅黑; color: rgb(112, 112, 112); white-space: normal; background-color: rgb(255, 255, 255);">　　150为主�?罗茨�?抽速L/s</p><p style="box-sizing: border-box; animation-fill-mode: both; padding: 0px; margin-top: 0px; margin-bottom: 0px; list-style-type: none; line-height: 30px; font-family: 微软雅黑; color: rgb(112, 112, 112); white-space: normal; background-color: rgb(255, 255, 255);">　　2.1为抽速配比代叶�/p><p style="box-sizing: border-box; animation-fill-mode: both; padding: 0px; margin-top: 0px; margin-bottom: 0px; list-style-type: none; line-height: 30px; font-family: 微软雅黑; color: rgb(112, 112, 112); white-space: normal; background-color: rgb(255, 255, 255);">　　(即主泵与二级泵抽速比�?，二级泵与前级泵抽速比�? )</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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