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）-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

2、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-40P8H76W-40P3H76W-40RH76

3、W-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-200RH76W-200R8H76

4、W-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-110R3PN15.0MPaH76H-150H76W-15

5、0P8H76W-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-A6P8H76W-A6P3H76W-A6

6、R8H76W-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2Cr131C

7、r18Ni9Ti0Cr18Ni900Cr19Ni101Cr18Ni12Mo2Ti0Cr17Ni12Mo200Cr17Ni14Mo2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。H76系列对夹双瓣旋启式止回阀主要尺

8、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L1PN1.0MPa406096464121104M161505060109565121254M161506567129736531454M161558073144888041608M161601007316410810261808M161651258619413212782108M1618015098220160152132408M20205200127275210203242958M202352501463302662543735012M202553

9、001813803103055040012M202903501844403553507646016M2029540019148240540011051516M2431045020354245545013556520M2432550021959750550015862020M2434560022269860560032072520M2735570030581170069538084024M2744080030591880079656095024M304509003681018903898640105028M305201000432112410551050900116028M33590120052

10、41340120512001400138032M36695H76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L1PN1.6MPa406096464121104M161505060109565121254M161506567129736531454M161558073144888041608M161601007316410810261808M161651258619413212782108M1618015098220160152132408M20205200127275

11、2102032429512M202352501463322662543735012M242553001813873103055040012M242903501844473553507646016M2429540019149840540011051516M2731045020355845545013556520M2733050021961850550015862020M3034560022273260560032072520M3337070030580270069538084024M3338080030591280079656095024M3647090036810129038986401050

12、28M364751000432112410551050900117028M3954512005241340120512001400139032M45620PN2.5MPa406096464121104M161505060109565121254M161506567129736531454M161558073144888041608M161601007316810810261908M201801258619613212782208M2420515098224160152142508M242202001272842102032731012M242552501463412662544237012M2

13、72853001814013103055443016M273253501844583553508649016M3034040019151540540012055016M3336045020356545545014860020M3337550021962250550016566020M3339560022273260560034077020M3641070030583170069540087524M3950080030594280079658099024M455209003681040903898660109028M455901000432115510551050960121028M526751

14、2005241365120512001440142032M52790H76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L1PN4.0MPa406093484131104M161505060109585131254M161506567129736541458M161608073144888061608M161701007316810810281908M2018012586196132127132208M2420515098224160152162508M2422020

15、01272912102032832012M272702501463532662544938512M303003001814183103057645016M3034535022247535535011451016M3340040023254740540019058516M3642545026457245545020061020M3647050029262650550026067020M3950560031874560860040479520M45575PN6.4MPa4060104484141254M201705060114585141354M201706567138736551608M2018

16、08073148888071708M20190100179174108102102008M24210125125211132127162408M27250150136248162152202808M302902001653102122003834512M333352502133622662506240012M3339530022942231030510046016M3342035027348735535016052516M3648040030554140540026058516M39525PN10.0MPa4060104484141254M201905060120585151454M24185

17、6567144736571708M2419580731548880101808M2420510079181108102122108M27225125105218132127192508M302651501362581621522529012M303052001653242122005636012M333552502133922662509443012M3642530022945631230514250016M3946535027351035535023056016M4553540030557040540036662016M45585H76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

18、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 4060844641298.541/2M141451552506010356512120.545/8M1614515521/2656712273653139.545/8M161501653807313588804152.545/8M161601754100731731081026190.565/8M161701855125861951321278216.083/4M2019020561509822016015213241.583/4M202

19、05220820012727721020325298.583/4M202402551025014633726625439362.0127/8M242702851230018140731030554432.0127/8M243103251435018444835535080476.0121M2732534016400191512405400117540.0161M2734035518450203547455450138578.01611/8M3036538020500219604505500163635.02011/8M3038540024600222715605600331749.52011/

20、4M334054202870305773700700380795.5403/4M2045530750305824750746425846.0443/4M2045532800305878800796560900.0483/4M20460369003689839108986401009.5447/8M245404210504321142105510509601171.5481M2762548120052413021205120014001335.04411/8M30740Class300PN5.0MPa 40609448413114.543/4M20160 2506011058513127.085/8M1616017521/2656712873654149.083/4M201751953807314788806168.583/4M201902104100731791081028200.083/4M20195215