对夹式止回阀详细结构尺寸图-H76型.docx

-H76 %*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，接受对夹和法兰连接；由于蝶形双瓣行程短，并且有弹簧加载，可显著削减水锤现象；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℃~120 ℃合金钢密封面（ H）主体碳钢 -29 ℃~425℃H76系列对夹双瓣旋启式止回阀的型号、材料及主要参数PN1.0MPaH76H-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-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-200R8H76W-200R3PN25.0MPaH76H-250H76W-250PH76W-250P8H76W-250P3H76W-250RH76W-250R8H76W-250R3PN2.0MPaH76H-20C—H76W-20P8H76W-20P3—H76W-20R8H76W-20R3PN5.0MPaH76H-50—H76W-50P8H76W-50P3—H76W-50R8H76W-50R3PN11.0MPaH76H-110—H76W-110P8H76W-110P3—H76W-110R8H76W-110R3PN15.0MPaH76H-150—H76W-150P8H76W-150P3—H76W-150R8H76W-150R3PN26.0MPaH76H-260—H76W-260P8H76W-260P3—H76W-260R8H76W-260R3PN42.0MPaH76H-420—H76W-420P8H76W-420P3—H76W-420R8H76W-420R3Class150H76H-A1C—H76W-A1P8H76W-A1P3—H76W-A1R8H76W-A1R3Class300H76H-A3—H76W-A3P8H76W-A3P3—H76W-A3R8H76W-A3R3Class600H76H-A6—H76W-A6P8H76W-A6P3—H76W-A6R8H76W-A6R3Class900H76H-A9—H76W-A9P8H76W-A9P3—H76W-A9R8H76W-A9R3Class1500H76H-A15—H76W-A15P8H76W-A15P3—H76W-A15R8H76W-A15R3配管法兰 公称压力 常规产品型号JB/T74~90GB/T9112~9124HG20592~20614GB/T9112~9124HG20615~20635SH3406ANSI B16.5Class2500 H76W-A25 — H76W-A25P8 H76W-A25P3 — H76W-A25R8 H76W-A25R3主 要 阀体 WCB〔A105〕 ZG1Cr18Ni9Ti CF8〔304〕 CF3〔304L〕ZG1Cr18Ni12Mo2Ti0Cr17Ni1Mo2 00Cr17Ni14Mo2零材件料阀体CF8CF8CF8CF3CF8MCF8MCF3M阀轴2Cr131Cr18Ni9Ti0Cr18Ni900Cr19Ni101Cr18Ni12Mo2Ti0Cr17Ni12Mo200Cr17Ni14Mo2弹簧0Cr18Ni90Cr18Ni90Cr18Ni900Cr19Ni100Cr17Ni12Mo20Cr17Ni12Mo200Cr17Ni14Mo2适用适用介质水、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工况适用温度 〔℃〕-29~425-196~540-196~425-196~540-196~455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力PNMPa公称通径DNmm尺寸〔mm〕圆直径 D1406096464121104M161505060109565121254M161506567129736531454M16155PN1.0MP8073144888041608M16160a1007316410810261808M161651258619413212782108M1618015098220160152132408M20205200127275210203242958M20235L D D3 D2重量〔kg〕螺栓孔中心配管法兰 〔供参考 〕螺栓数量 螺栓直径 d 螺栓长度 L12501463302662543735012M202553001813803103055040012M202903501844403553507646016M2029540019148240540011051516M2431045020354245545013556520M2432550021959750550015862020M2434560022269860560032072520M2735570030581170069538084024M2744080030591880079656095024M304509003681018903898640105028M305201000432112410551050900116028M3359012005241340120512001400138032M36695H76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〕重量配管法兰 〔供参考 〕〔kg〕螺栓孔中心LDD3D2圆直径 D1螺栓数量螺栓直径d螺栓长度 L1406096464121104M161505060109565121254M161506567129736531454M161558073144888041608M161601007316410810261808M161651258619413212782108M1618015098220160152132408M202052001272752102032429512M202352501463322662543735012M242553001813873103055040012M24290PN1.6MPa3501844473553507646016M2429540019149840540011051516M27310450203558455450135。