1、对夹式止回阀详细结构尺寸图H76型H76 对夹式止回阀基本信息栏 品名型号规格压力材质对夹双瓣止回阀H76WDN40-1200mmPN1.6-6.4mpa碳钢;不锈钢H76W、H76H型对夹双瓣止回阀由阀体、蝶形双阀瓣、阀杆及弹簧等零件组成,采用对夹和法兰连接。由于蝶形双瓣行程短,并且有弹簧加载,可显著减少水锤现象。 对夹双瓣止回阀结构图技术参数公称压力PN(MPa)11.62.54试验压力强度试验1.52.43.756密封试验1.11.762.754.4适用介质水、蒸汽、油品、污水、酸碱类适用温度橡胶密封面(X)-20120合金钢密封面(H)主体碳钢-29425H76系列对夹双瓣旋启式止回阀
2、的型号、材料及主要参数配管法兰公称压力常规产品型号JB/T74 90 GB/T9112 9124 HG20592 20614PN1.0MPaH76H-10CH76W-10PH76W-10P8H76W-10P3H76W-10RH76W-10R8H76W-10R3PN1.6MPaH76H-16CH76W-16PH76W-16P8H76W-16P3H76W-16RH76W-16R8H76W-16R3PN2.5MPaH76H-25H76W-25PH76W-25P8H76W-25P3H76W-25RH76W-25R8H76W-25R3PN4.0MPaH76H-40H76W-40PH76W-40P8H76
3、W-40P3H76W-40RH76W-40R8H76W-40R3PN6.3MPaH76H-63H76W-63PH76W-63P8H76W-63P3H76W-63RH76W-63R8H76W-63R3PN10.0MPaH76H-100H76W-100PH76W-100P8H76W-100P3H76W-100RH76W-100R8H76W-100R3PN16.0MPaH76H-160H76W-160PH76W-160P8H76W-160P3H76W-160RH76W-160R8H76W-160R3PN20.0MPaH76H-200H76W-200PH76W-200P8H76W-200P3H76W-
4、200RH76W-200R8H76W-200R3PN25.0MPaH76H-250H76W-250PH76W-250P8H76W-250P3H76W-250RH76W-250R8H76W-250R3GB/T9112 9124 HG20615 20635 SH3406PN2.0MPaH76H-20CH76W-20P8H76W-20P3H76W-20R8H76W-20R3PN5.0MPaH76H-50H76W-50P8H76W-50P3H76W-50R8H76W-50R3PN11.0MPaH76H-110H76W-110P8H76W-110P3H76W-110R8H76W-110R3PN15.0M
5、PaH76H-150H76W-150P8H76W-150P3H76W-150R8H76W-150R3PN26.0MPaH76H-260H76W-260P8H76W-260P3H76W-260R8H76W-260R3PN42.0MPaH76H-420H76W-420P8H76W-420P3H76W-420R8H76W-420R3ANSI B16.5Class150H76H-A1CH76W-A1P8H76W-A1P3H76W-A1R8H76W-A1R3Class300H76H-A3H76W-A3P8H76W-A3P3H76W-A3R8H76W-A3R3Class600H76H-A6H76W-A6P
6、8H76W-A6P3H76W-A6R8H76W-A6R3Class900H76H-A9H76W-A9P8H76W-A9P3H76W-A9R8H76W-A9R3Class1500H76H-A15H76W-A15P8H76W-A15P3H76W-A15R8H76W-A15R3Class2500H76W-A25H76W-A25P8H76W-A25P3H76W-A25R8H76W-A25R3主 要零 件材 料阀体WCB(A105)ZG1Cr18Ni9TiCF8(304)CF3(304L)ZG1Cr18Ni12Mo2Ti0Cr17Ni1Mo200Cr17Ni14Mo2阀体CF8CF8CF8CF3CF8M
7、CF8MCF3M阀轴2Cr131Cr18Ni9Ti0Cr18Ni900Cr19Ni101Cr18Ni12Mo2Ti0Cr17Ni12Mo200Cr17Ni14Mo2弹簧0Cr18Ni90Cr18Ni90Cr18Ni900Cr19Ni100Cr17Ni12Mo20Cr17Ni12Mo200Cr17Ni14Mo2适 用工 况适用介质水、蒸汽、油品等硝酸等腐蚀性介质强氧化性介质醋酸等腐蚀性介质尿素等腐蚀性介质适用温度()-29425-196540-196425-196540-196455注:本表为常规对夹式止回阀的型号编制、主要零件材料及适用工况,其他要求及其型号编制参见对夹式止回阀型号编制方法。H
8、76系列对夹双瓣旋启式止回阀主要尺寸及重量公称压力PNMPa公称通径DNmm尺寸(mm)重量(kg)配管法兰(供参考)LDD3D2螺栓孔中心圆直径D1螺栓数量螺栓直径d螺栓长度L1PN1.0MPa406096464121104M161505060109565121254M161506567129736531454M161558073144888041608M161601007316410810261808M161651258619413212782108M1618015098220160152132408M20205200127275210203242958M20235250146330266
9、2543735012M202553001813803103055040012M202903501844403553507646016M2029540019148240540011051516M2431045020354245545013556520M2432550021959750550015862020M2434560022269860560032072520M2735570030581170069538084024M2744080030591880079656095024M304509003681018903898640105028M3052010004321124105510509001
10、16028M3359012005241340120512001400138032M36695H76系列对夹双瓣旋启式止回阀主要尺寸及重量公称压力PNMPa公称通径DNmm尺寸(mm)重量(kg)配管法兰(供参考)LDD3D2螺栓孔中心圆直径D1螺栓数量螺栓直径d螺栓长度L1PN1.6MPa406096464121104M161505060109565121254M161506567129736531454M161558073144888041608M161601007316410810261808M161651258619413212782108M16180150982201601521324
11、08M202052001272752102032429512M202352501463322662543735012M242553001813873103055040012M242903501844473553507646016M2429540019149840540011051516M2731045020355845545013556520M2733050021961850550015862020M3034560022273260560032072520M3337070030580270069538084024M3338080030591280079656095024M36470900368
12、1012903898640105028M364751000432112410551050900117028M3954512005241340120512001400139032M45620PN2.5MPa406096464121104M161505060109565121254M161506567129736531454M161558073144888041608M161601007316810810261908M201801258619613212782208M2420515098224160152142508M242202001272842102032731012M242552501463
13、412662544237012M272853001814013103055443016M273253501844583553508649016M3034040019151540540012055016M3336045020356545545014860020M3337550021962250550016566020M3339560022273260560034077020M3641070030583170069540087524M3950080030594280079658099024M455209003681040903898660109028M45590100043211551055105
14、0960121028M5267512005241365120512001440142032M52790H76系列对夹双瓣旋启式止回阀主要尺寸及重量公称压力PNMPa公称通径DNmm尺寸(mm)重量(kg)配管法兰(供参考) LDD3D2螺栓孔中心圆直径D1螺栓数量螺栓直径dPN4.0MPa406093484131104M161505060109585131254M161506567129736541458M161608073144888061608M161701007316810810281908M2018012586196132127132208M2420515098224160152162
15、508M242202001272912102032832012M272702501463532662544938512M303003001814183103057645016M3034535022247535535011451016M3340040023254740540019058516M3642545026457245545020061020M3647050029262650550026067020M3950560031874560860040479520M45575PN6.4MPa4060104484141254M201705060114585141354M201706567138736
16、551608M201808073148888071708M20190100179174108102102008M24210125125211132127162408M27250150136248162152202808M302902001653102122003834512M333352502133622662506240012M3339530022942231030510046016M3342035027348735535016052516M3648040030554140540026058516M39525PN10.0MPa4060104484141254M2019050601205851
17、51454M241856567144736571708M2419580731548880101808M2420510079181108102122108M27225125105218132127192508M302651501362581621522529012M303052001653242122005636012M333552502133922662509443012M3642530022945631230514250016M3946535027351035535023056016M4553540030557040540036662016M45585H76美标系列对夹双瓣旋启式止回阀主要尺
18、寸及重量压力级口径尺寸重量(kg)配和法兰(供 参 考)NPSDNLDD3D2螺栓孔中心圆直径D1螺栓数量螺栓直径d螺栓长度L1inmmRFRJClass150PN2.0MPa 4060844641298.541/2M141451552506010356512120.545/8M1614515521/2656712273653139.545/8M161501653807313588804152.545/8M161601754100731731081026190.565/8M161701855125861951321278216.083/4M201902056150982201601521324
19、1.583/4M20205220820012727721020325298.583/4M202402551025014633726625439362.0127/8M242702851230018140731030554432.0127/8M243103251435018444835535080476.0121M2732534016400191512405400117540.0161M2734035518450203547455450138578.01611/8M3036538020500219604505500163635.02011/8M303854002460022271560560033
20、1749.52011/4M334054202870305773700700380795.5403/4M2045530750305824750746425846.0443/4M2045532800305878800796560900.0483/4M20460369003689839108986401009.5447/8M245404210504321142105510509601171.5481M2762548120052413021205120014001335.04411/8M30740Class300PN5.0MPa 40609448413114.543/4M20160 2506011058513127.085/8M1616017521/2656712873654149.083/4M201751953807314788806168.583/4M201902104100731791081028200.083/4M2019521551258621413212715235.083/4M2021523561509824916015218270.0123/4M20230250820012730521020331330.0127/8M242803001025014635926625451387.5161M27315335123001814203
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