经纬密封件八角垫-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="color: rgb(51, 51, 51); font-family: 微软雅黑, 宋体; font-size: 14px; white-space: normal; background-color: rgb(246, 246, 246); line-height: 15px;"><span style="font-family: 微软雅黑, sans-serif;">产品参数９�/span><br/><br/></p><p style="color: rgb(51, 51, 51); font-family: 微软雅黑, 宋体; font-size: 14px; white-space: normal; background-color: rgb(246, 246, 246); line-height: 15px;"><span style="font-family: 微软雅黑, sans-serif;">金属环垫的适用公称压力丹�/span>2<span style="font-family: 微软雅黑, sans-serif;">、�/span>0MPA~42<span style="font-family: 微软雅黑, sans-serif;">、�/span>0MPA<span style="font-family: 微软雅黑, sans-serif;">，通常应用于高压蒸气，气体，溶剂等装置，如塔槽，高压容器，高压阀门等�?*使用压力</span>150MPA<span style="font-family: 微软雅黑, sans-serif;">，温�?/span>1000<span style="font-family: 宋体;">ℂ�/span><span style="font-family: 微软雅黑, sans-serif;">，对于八角型＋�/span>R<span style="font-family: 微软雅黑, sans-serif;">型，**使用压力９�/span>10000PSI<span style="font-family: 微软雅黑, sans-serif;">＋�/span>RX<span style="font-family: 微软雅黑, sans-serif;">垊�/span>BX<span style="font-family: 微软雅黑, sans-serif;">型是</span>15000PSI<span style="font-family: 微软雅黑, sans-serif;">、�/span> <span style="font-family: 微软雅黑, sans-serif;">金属环垫*早来源于美国，在</span>20<span style="font-family: 微软雅黑, sans-serif;">世纪</span>20<span style="font-family: 微软雅黑, sans-serif;">年代*早使用于锅炉领域，后来用于人孔盖，高压釜其它窗口的密封，以后在石油生产和炼油工业中格外受到重视。随着蒸汽动力装置的温度和压力增加，金属环垫的用途就越来越广泛、�/span> <span style="font-family: 微软雅黑, sans-serif;">一般为纯铁（软铁），低碳钢＋�/span>F5<span style="font-family: 微软雅黑, sans-serif;">＋�/span>Cr5Mo,0Cr13,0Cr18Ni9,00Cr19Ni10<span style="font-family: 微软雅黑, sans-serif;">等，其硬度应比法兰材料低</span>30~40HBS<span style="font-family: 微软雅黑, sans-serif;">、�/span> 1. <span style="font-family: 微软雅黑, sans-serif;">软铁成分</span>: C<span style="font-family: 微软雅黑, sans-serif;">；�/span>0.05<span style="font-family: 微软雅黑, sans-serif;">＋�/span>Si<span style="font-family: 微软雅黑, sans-serif;">；�/span>0.4,Mn<span style="font-family: 微软雅黑, sans-serif;">；�/span>0.60,P<span style="font-family: 微软雅黑, sans-serif;">；�/span>0.035,S<span style="font-family: 微软雅黑, sans-serif;">；�/span>0.04 2.F5<span style="font-family: 微软雅黑, sans-serif;">成分：表礹�/span>ASTM<span style="font-family: 微软雅黑, sans-serif;">技术规茂�/span>A182�?2<span style="font-family: 微软雅黑, sans-serif;">所要求的化学成分，</span>4-6% Cr,0.5% Mo, G-307�? <span style="font-family: 微软雅黑, sans-serif;">八角型垫牆�/span> G-307�? <span style="font-family: 微软雅黑, sans-serif;">椭圆型垫牆�/span> G-307�? RX<span style="font-family: 微软雅黑, sans-serif;">型垫牆�/span> G-307�? BX<span style="font-family: 微软雅黑, sans-serif;">型垫牆�/span><br/><br/><span style="font-family: 微软雅黑, sans-serif;">垫片安装在法兰面的梯型环槽内，当拧紧连接螺栓时，受轴向压缩与上下梯型槽帖紧，产生塑性变形，形成一环状密封带，建立初始密封。升压后，在介质压力的作用下，使环垫径向扩张。垫片与梯形槽的斜面更加帖紧，产生自紧作用。但是，介质压力的升高同样会使法兰和连接螺栓变形，造成成密封面间的相对分离，垫片密封比相对下降，因而，环垫可以认为是半自紧密封、�/span></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="331610" /> <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）">