金屬橢圓墊片由(you)(you)鍛(duan)造及(ji)熱處理和(he)機械加工制(zhi)(zhi)成，是一種應(ying)(ying)用(yong)(yong)(yong)(yong)于(yu)油及(ji)氣(qi)體的(de)(de)(de)管法蘭(lan)，壓(ya)(ya)(ya)(ya)(ya)力(li)(li)容器，高(gao)速接合面(mian)，高(gao)溫高(gao)壓(ya)(ya)(ya)(ya)(ya)閥蓋等的(de)(de)(de)金(jin)(jin)(jin)屬(shu)密(mi)封墊(dian)(dian)(dian)(dian)片，尤其壓(ya)(ya)(ya)(ya)(ya)力(li)(li)、溫度有(you)(you)波動的(de)(de)(de)場合，仍能保持(chi)較(jiao)好的(de)(de)(de)密(mi)封性(xing)。 常用(yong)(yong)(yong)(yong)的(de)(de)(de)R型(xing)(xing)(xing)(xing)(xing)橢(tuo)(tuo)圓(yuan)(yuan)墊(dian)(dian)(dian)(dian)按截(jie)面(mian)分為(wei)橢(tuo)(tuo)圓(yuan)(yuan)型(xing)(xing)(xing)(xing)(xing)或八(ba)(ba)角型(xing)(xing)(xing)(xing)(xing)，標(biao)(biao)(biao)準(zhun)(zhun)的(de)(de)(de)R型(xing)(xing)(xing)(xing)(xing)環形墊(dian)(dian)(dian)(dian)片按API 6A以(yi)及(ji)ASME B16.20標(biao)(biao)(biao)準(zhun)(zhun)尺(chi)寸制(zhi)(zhi)造，zui高(gao)使用(yong)(yong)(yong)(yong)壓(ya)(ya)(ya)(ya)(ya)力(li)(li)是10000PSI。在(zai)梯形槽(cao)(cao)法蘭(lan)中(zhong)八(ba)(ba)角墊(dian)(dian)(dian)(dian)與(yu)橢(tuo)(tuo)圓(yuan)(yuan)墊(dian)(dian)(dian)(dian)可(ke)以(yi)互換。RX型(xing)(xing)(xing)(xing)(xing)適(shi)用(yong)(yong)(yong)(yong)于(yu)壓(ya)(ya)(ya)(ya)(ya)力(li)(li)增強的(de)(de)(de)標(biao)(biao)(biao)準(zhun)(zhun)R型(xing)(xing)(xing)(xing)(xing)環狀墊(dian)(dian)(dian)(dian)片，適(shi)合于(yu)R 型(xing)(xing)(xing)(xing)(xing)一樣的(de)(de)(de)法蘭(lan)槽(cao)(cao)密(mi)封面(mian)。BX型(xing)(xing)(xing)(xing)(xing)適(shi)用(yong)(yong)(yong)(yong)于(yu)壓(ya)(ya)(ya)(ya)(ya)力(li)(li)增強并且設(she)(she)計(ji)應(ying)(ying)用(yong)(yong)(yong)(yong)高(gao)達(da)(da)15000PSI壓(ya)(ya)(ya)(ya)(ya)力(li)(li)系(xi)統(tong)。有(you)(you)多種材(cai)質及(ji)形式適(shi)用(yong)(yong)(yong)(yong)于(yu)不同的(de)(de)(de)設(she)(she)計(ji)與(yu)操作要(yao)求，參考材(cai)質特性(xing)表。 注(zhu)意(yi)：選用(yong)(yong)(yong)(yong)橢(tuo)(tuo)圓(yuan)(yuan)墊(dian)(dian)(dian)(dian)材(cai)質硬度應(ying)(ying)低于(yu)法蘭(lan)面(mian)15~20HB,而(er)且建議不要(yao)重復使用(yong)(yong)(yong)(yong)。 橢(tuo)(tuo)圓(yuan)(yuan)墊(dian)(dian)(dian)(dian)片適(shi)用(yong)(yong)(yong)(yong)標(biao)(biao)(biao)準(zhun)(zhun)： ANSI B16.5-1973 、 JPI-75-15-70 、 GB 699 、 GB1220 、 JB755 、 HG20633-97 【金(jin)(jin)(jin)屬(shu)橢(tuo)(tuo)圓(yuan)(yuan)墊(dian)(dian)(dian)(dian)片】主要(yao)形式： R型(xing)(xing)(xing)(xing)(xing)，橢(tuo)(tuo)圓(yuan)(yuan)墊(dian)(dian)(dian)(dian)片 標(biao)(biao)(biao)準(zhun)(zhun)橢(tuo)(tuo)圓(yuan)(yuan)型(xing)(xing)(xing)(xing)(xing)金(jin)(jin)(jin)屬(shu)環墊(dian)(dian)(dian)(dian)應(ying)(ying)用(yong)(yong)(yong)(yong)于(yu)有(you)(you)標(biao)(biao)(biao)準(zhun)(zhun)凹槽(cao)(cao)的(de)(de)(de)法蘭(lan)。 R型(xing)(xing)(xing)(xing)(xing) 八(ba)(ba)角墊(dian)(dian)(dian)(dian) 標(biao)(biao)(biao)準(zhun)(zhun)八(ba)(ba)角型(xing)(xing)(xing)(xing)(xing)金(jin)(jin)(jin)屬(shu)環墊(dian)(dian)(dian)(dian)應(ying)(ying)用(yong)(yong)(yong)(yong)于(yu)有(you)(you)標(biao)(biao)(biao)準(zhun)(zhun)凹槽(cao)(cao)的(de)(de)(de)法蘭(lan)。 RX型(xing)(xing)(xing)(xing)(xing) 八(ba)(ba)角墊(dian)(dian)(dian)(dian)　耐壓(ya)(ya)(ya)(ya)(ya)可(ke)達(da)(da)700bar 此(ci)款(kuan)墊(dian)(dian)(dian)(dian)片在(zai)使用(yong)(yong)(yong)(yong)時(shi)首先(xian)用(yong)(yong)(yong)(yong)外密(mi)封面(mian)與(yu)法蘭(lan)接觸(chu),很高(gao)的(de)(de)(de)系(xi)統(tong)壓(ya)(ya)(ya)(ya)(ya)力(li)(li)會產生很高(gao)的(de)(de)(de)底(di)座(zuo)(zuo)應(ying)(ying)力(li)(li)。 RX型(xing)(xing)(xing)(xing)(xing)可(ke)以(yi)和(he)標(biao)(biao)(biao)準(zhun)(zhun)R型(xing)(xing)(xing)(xing)(xing)互換。 BX型(xing)(xing)(xing)(xing)(xing) 八(ba)(ba)角墊(dian)(dian)(dian)(dian)　耐高(gao)壓(ya)(ya)(ya)(ya)(ya)（可(ke)達(da)(da)1500bar） BX型(xing)(xing)(xing)(xing)(xing)墊(dian)(dian)(dian)(dian)片由(you)(you)增強法蘭(lan)接觸(chu)面(mian)上的(de)(de)(de)墊(dian)(dian)(dian)(dian)片底(di)座(zuo)(zuo)壓(ya)(ya)(ya)(ya)(ya)力(li)(li)而(er)產生的(de)(de)(de)內(nei)部系(xi)統(tong)壓(ya)(ya)(ya)(ya)(ya)力(li)(li)進(jin)行自我密(mi)封控制(zhi)(zhi)。此(ci)款(kuan)墊(dian)(dian)(dian)(dian)片適(shi)用(yong)(yong)(yong)(yong)于(yu)API BX法蘭(lan)和(he)榫槽(cao)(cao)法蘭(lan)。