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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><span style="color: rgb(51, 51, 51); font-family: "PingFang SC", Helvetica, "Microsoft YaHei", Arial, sans-serif; font-size: 14px; background-color: rgb(255, 255, 255);">高温热水泵用机械密封件安装前要认真检查集结密封零件数量是否足够，各元件是否有损坏，特别是动、静环有无碰伤、裂纹和变形等缺陷。如果有问题，需进行修复或更换新备件、�/span></p><p><br/></p><p>详细介绍</p><p><br/></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: "PingFang SC", Helvetica, "Microsoft YaHei", Arial, sans-serif; font-size: 14px; line-height: inherit; vertical-align: baseline; background: rgb(255, 255, 255); -webkit-tap-highlight-color: transparent; appearance: none; clear: both; color: rgb(51, 51, 51); white-space: normal;"><strong style="box-sizing: border-box; margin: 0px; padding: 0px; font-size: inherit; line-height: inherit; font-style: inherit; vertical-align: baseline; background: transparent; -webkit-tap-highlight-color: transparent; appearance: none;">高温热水泵用机械密封仵�/strong>是指由至少一对垂直于旋转轴线的端面在流体压力和补偿机构弹�?或磁�?的作用下以及辅助密封的配合下保持贴合并相对滑动而构成的防止流体泄漏的装置。补偿环的辅助密封为金属波纹管的称为波纹管机械密封、�/p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: "PingFang SC", Helvetica, "Microsoft YaHei", Arial, sans-serif; font-size: 14px; line-height: inherit; vertical-align: baseline; background: rgb(255, 255, 255); -webkit-tap-highlight-color: transparent; appearance: none; clear: both; color: rgb(51, 51, 51); white-space: normal;">产品组成９�br style="box-sizing: border-box; margin: 0px; padding: 0px; font-size: inherit; line-height: inherit; font-weight: inherit; font-style: inherit; vertical-align: baseline; background: transparent; -webkit-tap-highlight-color: transparent; appearance: none;"/>主要有以下四类部件。a.主要密封件：动环和静环。b.辅助密封件：密封圈。c.压紧件：弹簧、推环。d.传动件：弹箕座及键或固定螺钉</p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: "PingFang SC", Helvetica, "Microsoft YaHei", Arial, sans-serif; font-size: 14px; line-height: inherit; vertical-align: baseline; background: rgb(255, 255, 255); -webkit-tap-highlight-color: transparent; appearance: none; clear: both; color: rgb(51, 51, 51); white-space: normal;">1、对重要泵产品的机械密封,要增加保护措�?提高密封质量,减少密封质量事故、�br style="box-sizing: border-box; margin: 0px; padding: 0px; font-size: inherit; line-height: inherit; font-weight: inherit; font-style: inherit; vertical-align: baseline; background: transparent; -webkit-tap-highlight-color: transparent; appearance: none;"/>2、在泵产品的设计过程中要充分考虑到泵其它零部件以及现场其它设备对机械密封的使用效果的影响,为机械密封创造一个良好的外部条件、�br style="box-sizing: border-box; margin: 0px; padding: 0px; font-size: inherit; line-height: inherit; font-weight: inherit; font-style: inherit; vertical-align: baseline; background: transparent; -webkit-tap-highlight-color: transparent; appearance: none;"/>3、增加对机械密封辅助系统的重要作用的认识,尽可能配备完善的机械密封辅助系统,以提高密封效果� 泵用机械密封属于精密、结构较为复杂的机械基础元件之一，是泵类机械的关键部件。其密封性能和使用寿命取决于许多因素，如选型、机器的精度、正确的安装使用等、�/p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: "PingFang SC", Helvetica, "Microsoft YaHei", Arial, sans-serif; font-size: 14px; line-height: inherit; vertical-align: baseline; background: rgb(255, 255, 255); -webkit-tap-highlight-color: transparent; appearance: none; clear: both; color: rgb(51, 51, 51); white-space: normal;"> </p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: "PingFang SC", Helvetica, "Microsoft YaHei", Arial, sans-serif; font-size: 14px; line-height: inherit; vertical-align: baseline; background: rgb(255, 255, 255); -webkit-tap-highlight-color: transparent; appearance: none; clear: both; color: rgb(51, 51, 51); white-space: normal;"><strong style="box-sizing: border-box; margin: 0px; padding: 0px; font-size: inherit; line-height: inherit; font-style: inherit; vertical-align: baseline; background: transparent; -webkit-tap-highlight-color: transparent; appearance: none;">高温热水泵用机械密封仵�/strong>安装时注意事顸�br segoe="" white-space:="" background-color:="" style="box-sizing: border-box; margin: 0px; padding: 0px; font-size: inherit; line-height: inherit; font-weight: inherit; font-style: inherit; vertical-align: baseline; background: transparent; -webkit-tap-highlight-color: transparent; appearance: none;"/>1)安装前要认真检查集结密封零件数量是否足够，各元件是否有损坏，特别是动、静环有无碰伤、裂纹和变形等缺陷。如果有问题，需进行修复或更换新备件、�br segoe="" white-space:="" background-color:="" style="box-sizing: border-box; margin: 0px; padding: 0px; font-size: inherit; line-height: inherit; font-weight: inherit; font-style: inherit; vertical-align: baseline; background: transparent; -webkit-tap-highlight-color: transparent; appearance: none;"/>2)检查轴套或压盖的倒角是否恰当，如不符合要求则必须进行修整、�br segoe="" white-space:="" background-color:="" style="box-sizing: border-box; margin: 0px; padding: 0px; font-size: inherit; line-height: inherit; font-weight: inherit; font-style: inherit; vertical-align: baseline; background: transparent; -webkit-tap-highlight-color: transparent; appearance: none;"/>3)机械密封各元件及其有关的装配接触面，在安装前必须用丙酮或*清洗干净。安装过程中应保持清洁，特别是动、静环及辅助密封元件应无杂质、灰尘。动、静环表面涂上一层清洁的机油或透平油、�/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="321492" /> <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）">