标题：气动平板闸阀
工作原理和用途
气动闸阀性能可靠、操作切换和维修方便，气动平板闸阀适用于天然气，石油，化工，环保，城市管道，燃气管线等输送管线，放空系统和汽储存装置上，用作启闭设备。适用于天然气开采和净化的长输管线。
结构特点
1.阀座的密封结构应为弹性有预紧力，上、下游密封座同时密封的结构。阀座与密封物间始终为面对面密封。
2.阀座有自清洗功能，并且在阀门开启或关闭过程中不受气流的直接冲刷。阀座应由有润滑、不磨损材料制成。
3.阀门执行机构的故障不会影响到阀门的其它部分，维修和更换工作能够在不拆下阀门的情况下进行。
性能参数
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产品主要零件材料
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/Flexible Graphite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
主要尺寸
PN1.6MPa-2.5MPa
1.6MPaDNLDD1D2DofbHH1n-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-Φ1880203195160135350322,3881008-Φ181002292301901603503248631148-Φ23125254270220188,3503289401328-Φ2515026730025021840033010301508-Φ25200292360310278450334127716812-Φ25250330425370332500336149120312-Φ30300356485430390305440170123716-Φ30350381550490448305444187526516-Φ34400406610550505305448218030016-Φ34450432660600555305450244032520-Φ34500457730660610305452286036020-Φ41600508840770718305556345042520-Φ41700610955875815305560396046024-Φ488006601070990930305564455051224-Φ48900711118010901025-566525059528-Φ541000811130512101140-568587066028-Φ48PN4.0MPa-10.0MPa
4.0MPaDNLDD1D2YDoff2bHH1n-Φd凹凸法法　MFM　(K)Z43WF-40　(K)Z543WF-40　(K)Z643WF-40　(K)Z943WF-4050250160125100882503420584804-Φ18652801801451201102503422634958-Φ188031019516013512125034226791028-Φ1810035023019016015030034.5248631158-Φ2312540027022018817635034.5289401338-Φ2515045030025021820435034.53010401528-Φ2520055037532028226035034.538128218812-Φ3025065044538534531340034.542149522312-Φ3430075041545040836445044.546170125016-Φ343508504705104654225004552188028016-Φ344009506555855354743054558220031020-Φ4145010506806105605243054560248033520-Φ4150011507556706125763054562289038020-Φ4860013508907957306783055662248045020-Φ5470014509959008357683055668398550024-Φ548001650113510309608763055676475057024-Φ586.4MPa50250175135105882503426584904-Φ23凹凸法法　MFM　(K)Z43WF-64　(K)Z543WF-64　(K)Z643WF-64　(K)Z943WF-646528020016013011025034286341058-Φ238031021017014012125034306791108-Φ2310035025020016815030034.5327631308-Φ2512540029520217635034.5369701508-Φ30-15045034028024020435034.53810381758-Φ3420050040534530026035034.544128221012-Φ3425065047040035231340034.548149524012-Φ4130075053046041236445044.554196527016-Φ413508505955254754225004560218530016-Φ414009506705855254743054566257333516-Φ4845010507156305705243054568280036020-Φ4850011508007056405763054570328040520-Φ546001350930820750678305567638047020-Φ5810.0MPa502501951451128825034285901004-Φ25凹凸法法　MFM　(K)Z43WF-100　(K)Z543WF-100　(K)Z643WF-100　(K)Z943WF-1006528022017013811025034326401158-Φ258031023018014812125034346801208-Φ2510035026521017215030034.5388701358-Φ3012540031025021017635034.5429801558-Φ3415045035029025020435034.546110018012-Φ3420055043036031226035034.5454131522012-Φ4125065050043038231340034.560160525512-Φ413007558550044236445044.570192529516-Φ483508506655604084225004576228033516-Φ544009507156205584743054580258036016-Φ54[1]