对夹式止回阀详细结构尺寸图H76型

1、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) -20 C120 C合金钢密封面（H）主体碳钢-29 C425 CH76系列对夹双瓣旋启式止回阀的型号、材料及主要参数

2、配管法兰公称压力常规产品型号PN1.0MPaH76H-10CH76W-10PH76W-10P8H76W-10P3H76W-10RH76W-10R8H76W-10R3JB/T74PN1.6MPaH76H-16CH76W-16PH76W-16P8H76W-16P3H76W-16RH76W-16R8H76W-16R390PN2.5MPaH76H-25H76W-25PH76W-25P8H76W-25P3H76W-25RH76W-25R8H76W-25R3GB/T9112PN4.0MPaH76H-40H76W-40PH76W-40P8H76W-40P3H76W-40RH76W-40R8H76W-40R3

3、9124PN6.3MPaH76H-63H76W-63PH76W-63P8H76W-63P3H76W-63RH76W-63R8H76W-63R3HG20592PN10.0MPaH76H-100H76W-100PH76W-100P8H76W-100P3H76W-100RH76W-100R8H76W-100R320614PN16.0MPaH76H-160H76W-160PH76W-160P8H76W-160P3H76W-160RH76W-160R8H76W-160R3PN20.0MPaH76H-200H76W-200PH76W-200P8H76W-200P3H76W-200RH76W-200R8H7

4、6W-200R3PN25.0MPaH76H-250H76W-250PH76W-250P8H76W-250P3H76W-250RH76W-250R8H76W-250R3GB/T9112PN2.0MPaH76H-20CH76W-20P8H76W-20P3H76W-20R8H76W-20R39124PN5.0MPaH76H-50H76W-50P8H76W-50P3H76W-50R8H76W-50R3HG20615PN11.0MPaH76H-110H76W-110P8H76W-110P3H76W-110R8H76W-110R320635PN15.0MPaH76H-150H76W-150P8H76W-1

5、50P3H76W-150R8H76W-150R3SH3406PN26.0MPaH76H-260H76W-260P8H76W-260P3H76W-260R8H76W-260R3PN42.0MPaH76H-420H76W-420P8H76W-420P3H76W-420R8H76W-420R3Class150H76H-A1CH76W-A1P8H76W-A1P3H76W-A1R8H76W-A1R3Class300H76H-A3H76W-A3P8H76W-A3P3H76W-A3R8H76W-A3R3ANSI B16.5Class600H76H-A6H76W-A6P8H76W-A6P3H76W-A6R8H

6、76W-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CF8CF8CF8CF3CF8MCF8MCF3M阀轴2Cr131Cr18Ni9

7、Ti0Cr18Ni900Cr19Ni101Cr18Ni12Mo2Ti0Cr17Ni12Mo200Cr17Ni14Mo2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（C）-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。H76系列对夹双瓣旋启式止回阀主要尺寸及重量公称压

8、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L1PN1.0MPa406096464121104M161505060109565121254M161501556567129736531454M168073144888041608M161601007316410810261808M161651258619413212782108M1618015098220160152132408M20205200127275210203242958M202352501463302662543735012M2025530018138

9、03103055040012M202903501844403553507646016M2029540019148240540011051516M2431045020354245545013556520M2432550021959750550015862020M2434560022269860560032072520M2735570030581170069538084024M2744080030591880079656095024M304509003681018903898640105028M305201000432112410551050900116028M335901200524134012

10、0512001400138032M36695H76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DNmmLD尺寸(mm)D3D2重量(kg)配管法兰（供参考）螺栓孔中心圆直径D1螺栓数量螺栓直径d螺栓长度L1406096464121104M161505060109565121254M161506567129736531454M161558073144888041608M161601007316410810261808M161651258619413212782108M1618015098220160152132408M202052001272752102032429512M2

11、02352501463322662543735012M24255PN1.6MPa3001813873103055040012M242903501844473553507646016M2429540019149840540011051516M2731045020355845545013556520M2733050021961850550015862020M3034560022273260560032072520M3337070030580270069538084024M3338080030591280079656095024M364709003681012903898640105028M3647

12、51000432112410551050900117028M3954512005241340120512001400139032M45620PN2.5MPa406096464121104M161505060109565121254M161506567129736531454M161558073144888041608M161601007316810810261908M201801258619613212782208M2420515098224160152142508M242202001272842102032731012M242552501463412662544237012M27285300

13、1814013103055443016M273253501844583553508649016M3034040019151540540012055016M3336045020356545545014860020M3337550021962250550016566020M3339560022273260560034077020M3641070030583170069540087524M3950080030594280079658099024M455209003681040903898660109028M455901000432115510551050960121028M5267512005241

14、365120512001440142032M52790H76系列对夹双瓣旋启式止回阀主要尺寸及重量公称压力PN公称通径DN尺寸(mm)重量(kg)配管法兰(供参考)MPammLDD3D2螺栓孔螺栓数量螺栓直径d螺栓长度L1中心圆直径D1406093484131104M161505060109585131254M161506567129736541458M161608073144888061608M161701007316810810281908M20180PN4.0MPa12586196132127132208M2420515098224160152162508M242202001272912

15、102032832012M272702501463532662544938512M303003001814183103057645016M3034535022247535535011451016M3340040023254740540019058516M3642545026457245545020061020M3647050029262650550026067020M3950560031874560860040479520M455754060104484141254M20170PN6.4MPa5060114585141354M201706567138736551608M201808073148

16、888071708M20190100179174108102102008M24210125125211132127162408M27250150136248162152202808M302902001653102122003834512M333352502133622662506240012M3339530022942231030510046016M3342035027348735535016052516M3648040030554140540026058516M395254060104484141254M201905060120585151454M241856567144736571708M

17、2419580731548880101808M24205PN10.010079181108102122108M27225125105218132127192508M30265MPa1501362581621522529012M303052001653242122005636012M333552502133922662509443012M3642530022945631230514250016M3946535027351035535023056016M4553540030557040540036662016M45585H76美标系列对夹双瓣旋启式止回阀主要尺寸及重量重量压力级口径尺寸(kg)配和

18、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L1inmmRFRJ4060844641298.541/2M141451552506010356512120.545/8M1614515521/2656712273653139.545/8M161501653807313588804152.545/8M161601754100731731081026190.565/8M161701855125861951321278216.083/4M2019020561509822016015213241.583/4M20205220Class150PN2.0MPa820012

19、727721020325298.583/4M202402551025014633726625439362.0127/8M242702851230018140731030554432.0127/8M243103251435018444835535080476.0121M2732534016400191512405400117540.0161M2734035518450203547455450138578.01611/8M3036538020500219604505500163635.02011/8M3038540024600222715605600331749.52011/4M334054202

20、870305773700700380795.5403/4M2045530750305824750746425846.0443/4M2045532800305878800796560900.0483/4M20460369003689839108986401009.5447/8M245404210504321142105510509601171.5481M2762548120052413021205120014001335.04411/8M3074040609448413114.543/4M201602506011058513127.085/8M1616017521/2656712873654149.083/4M201751953807314788806168.583/4M201902104100731791081028200.083/4M2019521551258621413212715235.083/4M20215235615098249160