对夹式止回阀详细结构尺寸图H76型

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1、-H76 对夹式止回阀基本信息栏对夹双瓣止回阀H76WDN40-1200mm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（*）-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的型号、材料及主要参数配管法兰公称压力常规产品型号/T74 90 GB/T9112 9124 HG20592 2061

2、4PN1.0MPaH76H-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-40P8H76W-40P3H76W-40RH76W-40R8H76W-40R3PN6.3MPaH76H-63H76W-63PH76W-6

3、3P8H76W-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-200RH76W-200R8H76W-200R3PN25.0MPaH76H-250H76W-250PH76W-250P8H

4、76W-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-110R3PN15.0MPaH76H-150H76W-150P8H76W-150P3H76W-150R8H76W-150R3PN26.0MPaH7

5、6H-260H76W-260P8H76W-260P3H76W-260R8H76W-260R3PN42.0MPaH76H-420H76W-420P8H76W-420P3H76W-420R8H76W-420R3ANSI B16.5Class150H76H-A1CH76W-A1P8H76W-A1P3H76W-A1R8H76W-A1R3Class300H76H-A3H76W-A3P8H76W-A3P3H76W-A3R8H76W-A3R3Class600H76H-A6H76W-A6P8H76W-A6P3H76W-A6R8H76W-A6R3Class900H76H-A9H76W-A9P8H76W-A9P3

6、H76W-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CF8CF8CF8CF3CF8MCF8MCF3M阀轴2Cr131Cr18Ni9Ti0Cr18Ni900Cr19Ni101Cr18Ni12Mo2Ti0Cr1

7、7Ni12Mo200Cr17Ni14Mo2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。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

8、d螺栓长度L1PN1.0MPa406096464121104M161505060109565121254M161506567129736531454M161558073144888041608M161601007316410810261808M161651258619413212782108M1618015098220160152132408M20205200127275210203242958M202352501463302662543735012M202553001813803103055040012M202903501844403553507646016M2029540019148240

9、540011051516M2431045020354245545013556520M2432550021959750550015862020M2434560022269860560032072520M2735570030581170069538084024M2744080030591880079656095024M304509003681018903898640105028M305201000432112410551050900116028M3359012005241340120512001400138032M36695公称压力PNMPa公称通径DNmm尺寸(mm)重量(kg)配管法兰(供参考

10、)LDD3D2螺栓孔中心圆直径D1螺栓数量螺栓直径d螺栓长度L1PN1.6MPa406096464121104M161505060109565121254M161506567129736531454M161558073144888041608M161601007316410810261808M161651258619413212782108M1618015098220160152132408M202052001272752102032429512M202352501463322662543735012M242553001813873103055040012M242903501844473553

11、507646016M2429540019149840540011051516M2731045020355845545013556520M2733050021961850550015862020M3034560022273260560032072520M3337070030580270069538084024M3338080030591280079656095024M364709003681012903898640105028M364751000432112410551050900117028M3954512005241340120512001400139032M45620PN2.5MPa406

12、096464121104M161505060109565121254M161506567129736531454M161558073144888041608M161601007316810810261908M201801258619613212782208M2420515098224160152142508M242202001272842102032731012M242552501463412662544237012M272853001814013103055443016M273253501844583553508649016M3034040019151540540012055016M3336

13、045020356545545014860020M3337550021962250550016566020M3339560022273260560034077020M3641070030583170069540087524M3950080030594280079658099024M455209003681040903898660109028M455901000432115510551050960121028M5267512005241365120512001440142032M52790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D

14、1螺栓数量螺栓直径d螺栓长度L1PN4.0MPa406093484131104M161505060109585131254M161506567129736541458M161608073144888061608M161701007316810810281908M2018012586196132127132208M2420515098224160152162508M242202001272912102032832012M272702501463532662544938512M303003001814183103057645016M3034535022247535535011451016M3340

15、040023254740540019058516M3642545026457245545020061020M3647050029262650550026067020M3950560031874560860040479520M45575PN6.4MPa4060104484141254M201705060114585141354M201706567138736551608M201808073148888071708M20190100179174108102102008M24210125125211132127162408M27250150136248162152202808M30290200165

16、3102122003834512M333352502133622662506240012M3339530022942231030510046016M3342035027348735535016052516M3648040030554140540026058516M39525PN10.0MPa4060104484141254M201905060120585151454M241856567144736571708M2419580731548880101808M2420510079181108102122108M27225125105218132127192508M30265150136258162

17、1522529012M303052001653242122005636012M333552502133922662509443012M3642530022945631230514250016M3946535027351035535023056016M4553540030557040540036662016M45585H76美标系列对夹双瓣旋启式止回阀主要尺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 4060844641298.541/2M141451552506

18、010356512120.545/8M1614515521/2656712273653139.545/8M161501653807313588804152.545/8M161601754100731731081026190.565/8M161701855125861951321278216.083/4M2019020561509822016015213241.583/4M20205220820012727721020325298.583/4M202402551025014633726625439362.0127/8M242702851230018140731030554432.0127/8M2

19、43103251435018444835535080476.0121M2732534016400191512405400117540.0161M2734035518450203547455450138578.01611/8M3036538020500219604505500163635.02011/8M3038540024600222715605600331749.52011/4M334054202870305773700700380795.5403/4M2045530750305824750746425846.0443/4M2045532800305878800796560900.0483/

20、4M20460369003689839108986401009.5447/8M245404210504321142105510509601171.5481M2762548120052413021205120014001335.04411/8M30740Class300PN5.0MPa 40609448413114.543/4M20160 2506011058513127.085/8M1616017521/2656712873654149.083/4M201751953807314788806168.583/4M201902104100731791081028200.083/4M20195215

21、51258621413212715235.083/4M2021523561509824916015218270.0123/4M20230250820012730521020331330.0127/8M242803001025014635926625451387.5161M273153351230018142031030577451.01611/8M3036538514350222483355350117514.52011/8M3041043016400232537405400190571.52011/4M3343545518450264594455450200628.52411/4M33475

22、49520500292652505500265686.02411/4M3351053524600318772608600410813.02411/2M3956058530750368882740735660921.03613/8M3665036900483104488087310201089.03215/8M4280042105056811961045103515401244.53613/4M4592048120062913651190117922601416.04017/8M481010安装和使用1,本阀门通路两端须堵塞，存在干燥通风的室内。如长期存放，应经常检查防锈蚀。2,安装前应将阀门清洗干净，并消除在运输过程中造成的缺陷。3,安装时必须仔细核对阀门上的标志和铭牌是否符合使用要求。4,本阀门安装在水平管道上，阀盖向上。：.famenwz.：.famenwz./p=118. z.