摘要：<p class="p0" style="margin-top: 0pt; margin-bottom: 0pt"><span style="font-family: 'Times New Roman'; font-size: 12pt; mso-spacerun: 'yes'"><a href="http://www.258prod.com">美標(biāo)不銹鋼法蘭</a>需要注意以下方面：</span><span style="font-family: 'Times New Roman'; font-size: 12pt; mso-spacerun: 'yes'"><br /> </span><span style="font-family: 'Times New Roman'; font-size: 12pt; mso-spacerun: 'yes'">1<font face="宋體">、螺栓預(yù)緊力：</font></span><span style="font-family: 'Times New Roman'; font-size: 12pt; mso-spacerun: 'yes'"><br /> </span><span style="font-family: 'Times New Roman'; font-size: 12pt; mso-spacerun: 'yes'">A<font face="宋體">、適當(dāng)提高預(yù)緊力，可以增加墊片的密封能力。（因?yàn)椋菏節(jié)B透性墊片材料的毛細(xì)管孔隙減?。?lt;/font></span><span style="font-family: 'Times New Roman'; font-size: 12pt; mso-spacerun: 'yes'"><br /> </span><span style="font-family: 'Times New Roman'; font-size: 12pt; mso-spacerun: 'yes'">B<font face="宋體">、使預(yù)緊力均勻作用于墊片</font><font face="Times New Roman">&mdash;&mdash;</font><font face="宋體">可以采取減小螺栓直徑以及增加螺栓個(gè)數(shù)的辦法</font></span><span style="font-family: 'Times New Roman'; font-size: 12pt; mso-spacerun: 'yes'"><br /> </span><span style="font-family: 'Times New Roman'; font-size: 12pt; mso-spacerun: 'yes'">C<font face="宋體">、預(yù)緊力不能過大，也不能過小。（過大：使墊片壓壞或擠出；過?。哼_(dá)不到墊片壓緊并實(shí)現(xiàn)初始密封條件。）</font></span><span style="font-family: 'Times New Roman'; font-size: 12pt; mso-spacerun: 'yes'"><br /> </span><span style="font-family: 'Times New Roman'; font-size: 12pt; mso-spacerun: 'yes'">2<font face="宋體">、壓緊面</font><font face="Times New Roman">(</font><font face="宋體">密封面</font><font face="Times New Roman">)&nbsp;</font><font face="宋體">型式</font></span><span style="font-family: 'Times New Roman'; font-size: 12pt; mso-spacerun: 'yes'"><br /> </span><span style="font-family: 'Times New Roman'; font-size: 12pt; mso-spacerun: 'yes'">a<font face="宋體">、船用法蘭的梯形槽壓緊面：槽底不起密封作用，是槽的內(nèi)外錐面與墊片接觸而梯形形成密封的，與橢圓或八角形截面的金屬墊圈配合</font></span><span style="font-family: 'Times New Roman'; font-size: 12pt; mso-spacerun: 'yes'"><br /> </span><span style="font-family: 'Times New Roman'; font-size: 12pt; mso-spacerun: 'yes'">b<font face="宋體">、凹凸型：由一個(gè)凹面和一個(gè)凸面配合組成。墊片放凹面中。</font></span><span style="font-family: 'Times New Roman'; font-size: 12pt; mso-spacerun: 'yes'"><br /> </span><span style="font-family: 'Times New Roman'; font-size: 12pt; mso-spacerun: 'yes'">優(yōu)點(diǎn)：便于對中，能防墊片擠出。可用在<font face="Times New Roman">P&le;***Mpa</font><font face="宋體">，</font><font face="Times New Roman">DN&le;800mm</font></span><span style="font-family: 'Times New Roman'; font-size: 12pt; mso-spacerun: 'yes'"><br /> </span><span style="font-family: 'Times New Roman'; font-size: 12pt; mso-spacerun: 'yes'">c<font face="宋體">、榫槽型：一榫一槽密封面組成，優(yōu)點(diǎn)是對中性好，密封預(yù)緊壓力小，墊片不易擠出，也不受介質(zhì)沖刷，用于易燃易爆密封要求高處。缺點(diǎn)是更換較困難，榫易損壞。</font></span><span style="font-family: 'Times New Roman'; font-size: 12pt; mso-spacerun: 'yes'"><br /> </span><span style="font-family: 'Times New Roman'; font-size: 12pt; mso-spacerun: 'yes'">d<font face="宋體">、美標(biāo)法蘭平面型壓緊面：壓緊面的表面為平面或帶溝槽的平面。</font></span><span style="font-family: 'Times New Roman'; font-size: 12pt; mso-spacerun: 'yes'"><br /> </span><span style="font-family: 'Times New Roman'; font-size: 12pt; mso-spacerun: 'yes'">優(yōu)點(diǎn)：結(jié)構(gòu)簡單，加工方便。</span><span style="font-family: 'Times New Roman'; font-size: 12pt; mso-spacerun: 'yes'"><br /> </span><span style="font-family: 'Times New Roman'; font-size: 12pt; mso-spacerun: 'yes'">缺點(diǎn)：是接觸面積大，需要的預(yù)緊比壓大，螺栓承載大，故法蘭等零件要求高、笨重，墊片易擠出，密封性能較差。使用壓力<font face="Times New Roman">P&le;2.5Mpa</font><font face="宋體">，有毒、易燃、易爆介質(zhì)中不能使用。</font></span><span style="font-family: 'Times New Roman'; font-size: 12pt; mso-spacerun: 'yes'"><br /> </span><span style="font-family: 'Times New Roman'; font-size: 12pt; mso-spacerun: 'yes'">e<font face="宋體">、錐形壓緊面：通常用于高壓密封，其缺點(diǎn)是需要的尺寸精度和表面粗糙度要求高。須與透鏡墊片配合</font><font face="Times New Roman">,</font><font face="宋體">常用于高壓管路<br /> <span style="text-align: left; widows: 2; text-transform: none; text-indent: 0px; font: 14px/22px 宋體; white-space: normal; orphans: 2; letter-spacing: normal; color: rgb(0,0,0); word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px"><span style="font-family: 宋體; color: rgb(153,51,0)">公司至成立以來，以&ldquo;誠信、合作、雙贏、發(fā)展&rdquo;為經(jīng)營宗旨，堅(jiān)持&ldquo;價(jià)格**、用戶、信譽(yù)&rdquo;的營銷理念，在市場上獲得了良好的口碑。&nbsp;&nbsp;&nbsp;&nbsp;029&mdash;88633755</span></span><span style="text-align: left; widows: 2; text-transform: none; text-indent: 0px; font: 12pt/22px 宋體; white-space: normal; orphans: 2; letter-spacing: normal; color: rgb(0,0,0); word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px"><br /> </span><span style="text-align: left; widows: 2; text-transform: none; text-indent: 0px; font: 12pt/22px 宋體; white-space: normal; orphans: 2; letter-spacing: normal; color: rgb(0,0,0); word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px">詳情參考：</span><span style="text-align: left; widows: 2; text-transform: none; text-indent: 0px; font: 12px/22px 宋體; white-space: normal; orphans: 2; letter-spacing: normal; color: rgb(0,0,0); word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px"><a href="http://www.258prod.com/" style="color: rgb(51,51,51); text-decoration: none"><span style="font-family: 宋體; color: rgb(0,0,255); font-size: 9pt">http://www.258prod.com</span></a></span></font></span></p> <!--EndFragment-->