连接形式法兰主体材料碳钢公称通径DN（mm）材质碳钢一、执行标准设计规范结构长度连接法兰试验与检验压力-温度产品标识JB/T5298JB/T5298JB/79JB/T5298GB9131GB/T12220API6DAPI6DANSI-16.5API6DANSIB16.34MSSSP-25二、产口性能规范设计等级常温下试验压力（MPa）适用温度℃适用介质壳体左密封左密封低压密封“G”型“D”型普通型“抗硫”型“基本”型公称压力PN（MPa）1.62.41.761.760.6-29～50-45～21-2～121H2S和CO2总含量大于500mg/m2的介质石油天然气、水等2.53.752.752.750.64.06.04.44.40.66.49.67.047.040.6磅级Lb1503.02.22.20.63007.75.65.60.6三、主要零部件材料阀门/阀盖WCBWC6A352-LCBA351-CF8M闸板2Cr13+ENP20CrMoV+STLANSO410+ENPANSI316+ENP阀杆2Cr132Cr13A182-A6aA182-A316S阀座25+PTFE20CrMoV+STLA105+PTFEA182-F316+PTFE填料NBR/FPM柔性石墨/FlexibleGraphite聚四氟乙烯/PTFE+FPM垫片螺栓3535CrMoA193-B7MA193-B8适用介质水、油口、蒸汽蒸汽、油品丙烷、乙烯硝酸类四、主要外形和连接尺寸PN1.6MPa-2.5MPa1.6MPaDNLDD1D2DofbHH1n-Φd凸面法法RF(K)Z43WF-16C(K)Z543WF-16C(K)Z643WF-16C(K)Z943WF-16C50178160125100250316584804-Φ1865190180145120250318634954-Φ18802031951601352503206881008-Φ181002292151811553003208631148-Φ181252542452101853503229401328-Φ1815026728024021035032410301508-Φ23200292335295265350326127716812-Φ23250330405355320400330149120312-Φ25300356460410375450430170123712-Φ25350381520470435500434187526516-Φ30400406580525485305436218030016-Φ30450432640585545305440244032520-Φ34500457705650608305444286036020-Φ41600508840770718305548345042520-Φ41700610910840788305550396046024-Φ418006601020950898305552455051224-Φ4190071111201050998250554525056528-Φ481000811125011701110250556587063028-Φ182.5MPa50178160125100250320584804-Φ18凸面法法RF(K)Z43WF-25(K)Z543WF-25(K)Z643WF-25(K)Z943WF-2565190180145120300322634958-Φ18802031951601353503223881008-Φ181002292301901603503248631148-Φ231252542702201883503289401328-Φ2515026730025021840033010301508-Φ25200292360310278450334127716812-Φ25250330425370332500336149120312-Φ30300356485430390305440170123716-Φ30350381550490448305444187526516-Φ34400406610550505305448218030016-Φ34450432660600555305450244032520-Φ34500457730660610305452286036020-Φ41600508840770718305556345042520-Φ41700610955875815305560396046024-Φ488006601070990930305564455051224-Φ48900711118010901025566525059528-Φ541000811130512101140568587066028-Φ48)