金屬橢圓墊片由鍛造及熱處理和機(ji)械(xie)加工(gong)制(zhi)(zhi)成(cheng)，是一(yi)種(zhong)應用(yong)(yong)(yong)(yong)于(yu)油及氣(qi)體(ti)的(de)管法(fa)(fa)(fa)(fa)蘭，壓(ya)(ya)力(li)容(rong)器，高速接合面，高溫高壓(ya)(ya)閥蓋等的(de)金(jin)(jin)屬(shu)密(mi)封(feng)墊(dian)(dian)(dian)(dian)(dian)(dian)(dian)片(pian)(pian)(pian)，尤其壓(ya)(ya)力(li)、溫度有(you)(you)波動的(de)場合，仍能保持較(jiao)好的(de)密(mi)封(feng)性(xing)。 常用(yong)(yong)(yong)(yong)的(de)R型(xing)(xing)(xing)(xing)橢(tuo)(tuo)(tuo)圓墊(dian)(dian)(dian)(dian)(dian)(dian)(dian)按(an)截面分(fen)為橢(tuo)(tuo)(tuo)圓型(xing)(xing)(xing)(xing)或(huo)八(ba)(ba)(ba)(ba)角(jiao)型(xing)(xing)(xing)(xing)，標準(zhun)的(de)R型(xing)(xing)(xing)(xing)環(huan)形(xing)(xing)(xing)墊(dian)(dian)(dian)(dian)(dian)(dian)(dian)片(pian)(pian)(pian)按(an)API 6A以及ASME B16.20標準(zhun)尺(chi)寸制(zhi)(zhi)造，zui高使用(yong)(yong)(yong)(yong)壓(ya)(ya)力(li)是10000PSI。在梯(ti)形(xing)(xing)(xing)槽法(fa)(fa)(fa)(fa)蘭中八(ba)(ba)(ba)(ba)角(jiao)墊(dian)(dian)(dian)(dian)(dian)(dian)(dian)與橢(tuo)(tuo)(tuo)圓墊(dian)(dian)(dian)(dian)(dian)(dian)(dian)可(ke)以互換(huan)(huan)。RX型(xing)(xing)(xing)(xing)適用(yong)(yong)(yong)(yong)于(yu)壓(ya)(ya)力(li)增強的(de)標準(zhun)R型(xing)(xing)(xing)(xing)環(huan)狀墊(dian)(dian)(dian)(dian)(dian)(dian)(dian)片(pian)(pian)(pian)，適合于(yu)R 型(xing)(xing)(xing)(xing)一(yi)樣的(de)法(fa)(fa)(fa)(fa)蘭槽密(mi)封(feng)面。BX型(xing)(xing)(xing)(xing)適用(yong)(yong)(yong)(yong)于(yu)壓(ya)(ya)力(li)增強并(bing)且(qie)(qie)設計應用(yong)(yong)(yong)(yong)高達(da)15000PSI壓(ya)(ya)力(li)系(xi)統。有(you)(you)多種(zhong)材質(zhi)及形(xing)(xing)(xing)式適用(yong)(yong)(yong)(yong)于(yu)不(bu)同的(de)設計與操作(zuo)要求，參考材質(zhi)特性(xing)表(biao)。 注(zhu)意：選(xuan)用(yong)(yong)(yong)(yong)橢(tuo)(tuo)(tuo)圓墊(dian)(dian)(dian)(dian)(dian)(dian)(dian)材質(zhi)硬度應低于(yu)法(fa)(fa)(fa)(fa)蘭面15~20HB,而(er)且(qie)(qie)建議不(bu)要重復使用(yong)(yong)(yong)(yong)。 橢(tuo)(tuo)(tuo)圓墊(dian)(dian)(dian)(dian)(dian)(dian)(dian)片(pian)(pian)(pian)適用(yong)(yong)(yong)(yong)標準(zhun)： ANSI B16.5-1973 、 JPI-75-15-70 、 GB 699 、 GB1220 、 JB755 、 HG20633-97 【金(jin)(jin)屬(shu)橢(tuo)(tuo)(tuo)圓墊(dian)(dian)(dian)(dian)(dian)(dian)(dian)片(pian)(pian)(pian)】主要形(xing)(xing)(xing)式： R型(xing)(xing)(xing)(xing)，橢(tuo)(tuo)(tuo)圓墊(dian)(dian)(dian)(dian)(dian)(dian)(dian)片(pian)(pian)(pian) 標準(zhun)橢(tuo)(tuo)(tuo)圓型(xing)(xing)(xing)(xing)金(jin)(jin)屬(shu)環(huan)墊(dian)(dian)(dian)(dian)(dian)(dian)(dian)應用(yong)(yong)(yong)(yong)于(yu)有(you)(you)標準(zhun)凹槽的(de)法(fa)(fa)(fa)(fa)蘭。 R型(xing)(xing)(xing)(xing) 八(ba)(ba)(ba)(ba)角(jiao)墊(dian)(dian)(dian)(dian)(dian)(dian)(dian) 標準(zhun)八(ba)(ba)(ba)(ba)角(jiao)型(xing)(xing)(xing)(xing)金(jin)(jin)屬(shu)環(huan)墊(dian)(dian)(dian)(dian)(dian)(dian)(dian)應用(yong)(yong)(yong)(yong)于(yu)有(you)(you)標準(zhun)凹槽的(de)法(fa)(fa)(fa)(fa)蘭。 RX型(xing)(xing)(xing)(xing) 八(ba)(ba)(ba)(ba)角(jiao)墊(dian)(dian)(dian)(dian)(dian)(dian)(dian)　耐壓(ya)(ya)可(ke)達(da)700bar 此(ci)款(kuan)墊(dian)(dian)(dian)(dian)(dian)(dian)(dian)片(pian)(pian)(pian)在使用(yong)(yong)(yong)(yong)時首先用(yong)(yong)(yong)(yong)外密(mi)封(feng)面與法(fa)(fa)(fa)(fa)蘭接觸,很高的(de)系(xi)統壓(ya)(ya)力(li)會產(chan)生很高的(de)底(di)座應力(li)。 RX型(xing)(xing)(xing)(xing)可(ke)以和標準(zhun)R型(xing)(xing)(xing)(xing)互換(huan)(huan)。 BX型(xing)(xing)(xing)(xing) 八(ba)(ba)(ba)(ba)角(jiao)墊(dian)(dian)(dian)(dian)(dian)(dian)(dian)　耐高壓(ya)(ya)（可(ke)達(da)1500bar） BX型(xing)(xing)(xing)(xing)墊(dian)(dian)(dian)(dian)(dian)(dian)(dian)片(pian)(pian)(pian)由增強法(fa)(fa)(fa)(fa)蘭接觸面上的(de)墊(dian)(dian)(dian)(dian)(dian)(dian)(dian)片(pian)(pian)(pian)底(di)座壓(ya)(ya)力(li)而(er)產(chan)生的(de)內部系(xi)統壓(ya)(ya)力(li)進行自我(wo)密(mi)封(feng)控制(zhi)(zhi)。此(ci)款(kuan)墊(dian)(dian)(dian)(dian)(dian)(dian)(dian)片(pian)(pian)(pian)適用(yong)(yong)(yong)(yong)于(yu)API BX法(fa)(fa)(fa)(fa)蘭和榫槽法(fa)(fa)(fa)(fa)蘭。