一六机械密封型罗茨风机-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"> <table cellpadding="0" cellspacing="0" width="239" height="19"><colgroup><col width="319" style="width:239.25pt;"/></colgroup><tbody><tr height="19" style="height:14.25pt;" class="firstRow"><td class="et2" height="14" width="239" x:str="" style="">机械密封型罗茨风朹�/td></tr></tbody></table><p>型号：OSR100</p><p>口径：DN100</p><p>流量�?.25-9.05m3/min：�/p><p>升压�?.8-98kpa：�/p><p>功率�?-15kw：�/p><p>转速：1060-1980r/min：�/p><p>罗茨鼓风机的优缺炸�/p><p>罗茨鼓风机优点主要有９�/p><p>1）在很宽的压力范围内�?0~10Torr），具有稳定的大抽速，能迅速排出突然放出的气体，弥补了油封机械泵和扩散泵的不足，很适宜作机械增压泵之用。在有水封或油封的情况下，能直排大气抽真空，也适宜作大抽速的粗鼓风机、�/p><p>2）设计先进，结构合理，转子间及转子与泵体间均有间隙，互不接触，不用润滑，摩擦损失小，可用较低的动力获得较大的抽速，有显著的节能效果、�/p><p>3）转子有良好的几何对称性，工作平稳，能用提高转速的办法获得大抽速，从而做到结构紧凑、体积小、重量轻、�/p><p>4）泵腔内不发生气体压缩，加之运动件之间有间隙，对抽吸气体中的灰尘和水蒸汽不敏感，因此可抽出可凝性蒸汽、�/p><p>5）泵腔内运动件无需用油润滑，能避免油蒸汽对真空系统的污染，有利于获得无油真空、�/p><p>6）无需进排气阀，结构简单，噪声较低，泵腔内运动件互不接触，不易损坏，维护费用低、�/p><p>7）启动快，能在短时间内达到极限真空、�/p><p>罗茨鼓风机的缺点主要有：</p><p>1）由于转子表面是形状复杂的曲线柱面，对机械加工要求较高，检验也较困难，在制造装配上难度较大、�/p><p>2）抽除氢气的效果不如油增压泵高，返扩散量大、�/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"); $(".xgfa_box").eq(_index).css("display","block"); }); }); </script>  <div class="xgzl"> <div class="cxd_tit"><span></span>相关资料</div> <div class="xgzl_box"><div style="padding:10px;">暂无数据、�/div> </div> </div>  <div class="yhpl"> <div class="cxd_tit"><span></span>用户评论</div> <form id="FormComments" action="" method="post" onsubmit="return false"> <input name="SaveProComments" id="SaveProComments" type="hidden" value="yes" /> <input name="ProductID" id="ProductID" type="hidden" value="151899" /> <input name="ProQuality" id="ProQuality" type="hidden" value="10" /> <input name="ProService" id="ProService" type="hidden" value="10" /> <input name="ProUsability" id="ProUsability" type="hidden" value="10" /> <input name="ProCostperformance" id="ProCostperformance" type="hidden" value="10" /> <div class="yhpl_pf"> <div> <p>产品质量</p> <div><span id="Quality" class="stars star10"></span><span id="Quality_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>售后服务</p> <div><span id="Service" class="stars star10"></span><span id="Service_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>易用�?/p> <div><span id="Usability" class="stars star10"></span><span id="Usability_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>性价毓�/p> <div><span id="Costperformance" class="stars star10"></span><span id="Costperformance_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> </div> <div class="yhpl_pftit">评论内容</div> <textarea name="Comments" id="ProComments" onfocus="checklogin();" placeholder="分享产品使用经验/采购评价（不超过500字）">