玉龙YLZJ(B)罗茨真空�?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>YLZJ(B)型带溢流阀罗茨真空泵是一种旋转式变容积式真空泵，利用一�?字形转子在泵壳中作等速反向转动而产生吸气和排气作用。在泵的进气和排气口之间装有自重阀，当排气口与进气口之间的压力差超过阀自重时，阀自动打开。这个压力差是泵能可靠运行的**压力差。因而带溢流阀罗茨真空泵具备自动防止过载功能、�br/>该系列泵采用进口加工中心制作，泵体、两端面、两端盖均采用O形圈密封，圆柱销定位孔均一次加工成形，零件互换性好，维修方便、�br/>罗茨真空泵不能单独使用，只有串联前级泵方可使用。可选用不同的真空泵作为前级泵，如螺杆泵、旋片泵、液环泵等。当选用螺杆泵、液环泵作为前级泵时，特别适合需抽除大量可凝性气体的场合、�br/></p><ul class=" list-paddingleft-2"><p><span style="font-size: 16px;"><span style="font-family: 宋体;">产品特点</span><span style="font-family: 宋体;">９�/span></span></p><p style=";text-indent: 24px"><span style="font-family: 宋体; font-size: 16px;">�?nbsp; 震动，噪音小</span></p><p style=";text-indent: 24px"><span style="font-family: 宋体; font-size: 16px;">�?nbsp; 泵内运转件无摩擦，不必润滑，泵工作腔内无油，可获得清洁真空，避免了油蒸气污染真空系统</span></p><p style=";text-indent: 24px"><span style="font-family: 宋体; font-size: 16px;">�?nbsp; 泵腔内气体垂直流动，有利于被抽气体的灰尘与冷凝物的排陣�/span></p><p style=";text-indent: 24px"><span style="font-family: 宋体; font-size: 16px;">� 完全对称且精密动平衡的转子运转平稳，可靠</span></p><p style=";text-indent: 24px"><span style="font-family: 宋体; font-size: 16px;">�?nbsp; 设计有垂直于水平两个排气口，安装方便</span></p><p style=";text-indent: 24px"><span style="font-family: 宋体; font-size: 16px;">�?nbsp; 过载自动保护，适合高压差工况，运行安全、可靟�/span></p><p style=";text-indent: 24px"><span style="font-family: 宋体; font-size: 16px;">�?nbsp; 驱动功率小，运转维护费用位�/span></p><p style=";text-indent: 24px"><span style="font-family: 宋体; font-size: 16px;">�?nbsp; 全方位立体水冷结构，运行温度低，保证平稳运行</span></p><p style=";text-indent: 24px"><span style="font-family: 宋体; font-size: 16px;">�?nbsp; 能在较宽的压力范围（1�?.3×10<sup>3 </sup>Pa）有较大的抽气速率。如同作用于前级泵上用于提高其抽速和真空度的“加速器“�/span></p><p style=";text-indent: 24px"><span style="font-family: 宋体; font-size: 16px;">�?nbsp; 可对气体流通部分做化学镀镍、镀哈氏合金、喷涂氟涂料的处理，能耐各类酸、碱、有机溶剂腐蚀</span></p><p style=";text-indent: 24px"><span style="font-family: 宋体; font-size: 16px;">产品用途：广泛应用于石油、化工、塑料、电子、半导体、农药、冶金、纺织医药等方面、�/span></p></ul><p><br/></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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