金屬橢圓墊片由(you)鍛(duan)造及熱處理和機(ji)械加工制(zhi)成，是一種應用(yong)(yong)于(yu)(yu)(yu)油及氣體的(de)(de)(de)管法(fa)(fa)蘭(lan)，壓(ya)(ya)力(li)(li)(li)(li)(li)(li)(li)容器，高(gao)(gao)速接(jie)(jie)合面(mian)(mian)(mian)(mian)，高(gao)(gao)溫高(gao)(gao)壓(ya)(ya)閥蓋等的(de)(de)(de)金屬密(mi)封(feng)墊(dian)(dian)(dian)(dian)(dian)片(pian)(pian)(pian)，尤其(qi)壓(ya)(ya)力(li)(li)(li)(li)(li)(li)(li)、溫度(du)有波動的(de)(de)(de)場合，仍能保持較(jiao)好的(de)(de)(de)密(mi)封(feng)性(xing)。 常用(yong)(yong)的(de)(de)(de)R型(xing)(xing)(xing)橢(tuo)(tuo)(tuo)圓(yuan)墊(dian)(dian)(dian)(dian)(dian)按(an)截面(mian)(mian)(mian)(mian)分(fen)為(wei)橢(tuo)(tuo)(tuo)圓(yuan)型(xing)(xing)(xing)或八角(jiao)型(xing)(xing)(xing)，標(biao)(biao)準(zhun)(zhun)的(de)(de)(de)R型(xing)(xing)(xing)環形墊(dian)(dian)(dian)(dian)(dian)片(pian)(pian)(pian)按(an)API 6A以及ASME B16.20標(biao)(biao)準(zhun)(zhun)尺寸制(zhi)造，zui高(gao)(gao)使(shi)(shi)用(yong)(yong)壓(ya)(ya)力(li)(li)(li)(li)(li)(li)(li)是10000PSI。在(zai)梯形槽(cao)(cao)法(fa)(fa)蘭(lan)中八角(jiao)墊(dian)(dian)(dian)(dian)(dian)與橢(tuo)(tuo)(tuo)圓(yuan)墊(dian)(dian)(dian)(dian)(dian)可(ke)以互(hu)換。RX型(xing)(xing)(xing)適用(yong)(yong)于(yu)(yu)(yu)壓(ya)(ya)力(li)(li)(li)(li)(li)(li)(li)增(zeng)強的(de)(de)(de)標(biao)(biao)準(zhun)(zhun)R型(xing)(xing)(xing)環狀墊(dian)(dian)(dian)(dian)(dian)片(pian)(pian)(pian)，適合于(yu)(yu)(yu)R 型(xing)(xing)(xing)一樣的(de)(de)(de)法(fa)(fa)蘭(lan)槽(cao)(cao)密(mi)封(feng)面(mian)(mian)(mian)(mian)。BX型(xing)(xing)(xing)適用(yong)(yong)于(yu)(yu)(yu)壓(ya)(ya)力(li)(li)(li)(li)(li)(li)(li)增(zeng)強并且設(she)計應用(yong)(yong)高(gao)(gao)達(da)(da)15000PSI壓(ya)(ya)力(li)(li)(li)(li)(li)(li)(li)系統。有多種材(cai)質及形式適用(yong)(yong)于(yu)(yu)(yu)不同的(de)(de)(de)設(she)計與操(cao)作要求，參考材(cai)質特性(xing)表。 注意(yi)：選(xuan)用(yong)(yong)橢(tuo)(tuo)(tuo)圓(yuan)墊(dian)(dian)(dian)(dian)(dian)材(cai)質硬(ying)度(du)應低于(yu)(yu)(yu)法(fa)(fa)蘭(lan)面(mian)(mian)(mian)(mian)15~20HB,而且建議(yi)不要重復使(shi)(shi)用(yong)(yong)。 橢(tuo)(tuo)(tuo)圓(yuan)墊(dian)(dian)(dian)(dian)(dian)片(pian)(pian)(pian)適用(yong)(yong)標(biao)(biao)準(zhun)(zhun)： ANSI B16.5-1973 、 JPI-75-15-70 、 GB 699 、 GB1220 、 JB755 、 HG20633-97 【金屬橢(tuo)(tuo)(tuo)圓(yuan)墊(dian)(dian)(dian)(dian)(dian)片(pian)(pian)(pian)】主要形式： R型(xing)(xing)(xing)，橢(tuo)(tuo)(tuo)圓(yuan)墊(dian)(dian)(dian)(dian)(dian)片(pian)(pian)(pian) 標(biao)(biao)準(zhun)(zhun)橢(tuo)(tuo)(tuo)圓(yuan)型(xing)(xing)(xing)金屬環墊(dian)(dian)(dian)(dian)(dian)應用(yong)(yong)于(yu)(yu)(yu)有標(biao)(biao)準(zhun)(zhun)凹槽(cao)(cao)的(de)(de)(de)法(fa)(fa)蘭(lan)。 R型(xing)(xing)(xing) 八角(jiao)墊(dian)(dian)(dian)(dian)(dian) 標(biao)(biao)準(zhun)(zhun)八角(jiao)型(xing)(xing)(xing)金屬環墊(dian)(dian)(dian)(dian)(dian)應用(yong)(yong)于(yu)(yu)(yu)有標(biao)(biao)準(zhun)(zhun)凹槽(cao)(cao)的(de)(de)(de)法(fa)(fa)蘭(lan)。 RX型(xing)(xing)(xing) 八角(jiao)墊(dian)(dian)(dian)(dian)(dian)　耐壓(ya)(ya)可(ke)達(da)(da)700bar 此(ci)款墊(dian)(dian)(dian)(dian)(dian)片(pian)(pian)(pian)在(zai)使(shi)(shi)用(yong)(yong)時首(shou)先用(yong)(yong)外(wai)密(mi)封(feng)面(mian)(mian)(mian)(mian)與法(fa)(fa)蘭(lan)接(jie)(jie)觸(chu),很高(gao)(gao)的(de)(de)(de)系統壓(ya)(ya)力(li)(li)(li)(li)(li)(li)(li)會產(chan)(chan)生(sheng)很高(gao)(gao)的(de)(de)(de)底座應力(li)(li)(li)(li)(li)(li)(li)。 RX型(xing)(xing)(xing)可(ke)以和標(biao)(biao)準(zhun)(zhun)R型(xing)(xing)(xing)互(hu)換。 BX型(xing)(xing)(xing) 八角(jiao)墊(dian)(dian)(dian)(dian)(dian)　耐高(gao)(gao)壓(ya)(ya)（可(ke)達(da)(da)1500bar） BX型(xing)(xing)(xing)墊(dian)(dian)(dian)(dian)(dian)片(pian)(pian)(pian)由(you)增(zeng)強法(fa)(fa)蘭(lan)接(jie)(jie)觸(chu)面(mian)(mian)(mian)(mian)上的(de)(de)(de)墊(dian)(dian)(dian)(dian)(dian)片(pian)(pian)(pian)底座壓(ya)(ya)力(li)(li)(li)(li)(li)(li)(li)而產(chan)(chan)生(sheng)的(de)(de)(de)內(nei)部系統壓(ya)(ya)力(li)(li)(li)(li)(li)(li)(li)進行自我密(mi)封(feng)控制(zhi)。此(ci)款墊(dian)(dian)(dian)(dian)(dian)片(pian)(pian)(pian)適用(yong)(yong)于(yu)(yu)(yu)API BX法(fa)(fa)蘭(lan)和榫(sun)槽(cao)(cao)法(fa)(fa)蘭(lan)。