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H76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（mm）重量（KG）配管法兰（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LiimmRFRJClass150PN2.0MPa2506013056512120.545/8M1614015521/2656712273653139.545/8M161501653807313588804152.545/8M161601754100731731081026190.585/8M161701855125861951321278216.083/4M2019020561509822016015213241.583/4M20205220820012727721020325298.583/4M202402551025014633726625439362.0127/8M242702851230018140731030554432.0127/8M243103251435018444835535080476.0121M2732534016400191512405400117540.0161M2734035518450203547455450138578.01611/8M3036538020500219604505500163635.02011/8M3038540024600222715605600331749.52011/8M3340542028700305773700700380795.5403/4M20455-30750305824750746425846.0443/4M20455-32800305878800796560900.0483/4M20460-369003689839108986401009.5447/8M24540-4210504321142105510509601171.5481M27625-48120052413021205120014001335.04411/8M30740-Class300PN5.0MPa2506011058513127.085/8M1615517521/2656712873654149.083/4M201751953807314788806168.583/4M201902104100731791081028200.083/4M2019521551258621413212715235.083/4M2021523561509824916015218270.0123/4M20230250820012730521020331330.0127/8M242803001025014635926625451387.5161M273153351230018142031030577451.01611/8M3036538514350222483355350117514.52011/8M3041043016400232537405400190571.52011/4M3343545518450264594455450200628.02411/4M3347549520500292652505500265686.02411/4M3351053524600318772608600410813.02411/2M3956058530700368882740735660921.03613/8M36650-36900483104488087310201089.03213/8M42800-42105056811961045103515401244.53613/4M45920-48120062913651190117922601416.04017/8M481010-压力级口径尺寸（mm）重量（KG）配管法兰（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LinmmRFRJCLass600PNB11.0MPa2506011058514127.085/8M1617518021/256671287365519.083/4M201952003807314788808168.583/4M2021021541007919110810211216.087/8M24235240512510523913612720267.081M27280285615013626416215226292.0121M2732032582001653182122005539.01211/8M303703751025021339826625095432.01611/4M3344044512300229455312305140489.02011/4M3346046514350273490355337223527.02013/8M3652052516400305562400387360603.02011/2M3957558018450362610450438395654.02015/8M4265065520500368680500489518724.02415/8M4267068024600438786600591836838.02417/8M8780790CLass900PNB15.0MPa2507014058518165.087/8M2422523021/25683162736511190.581M2725025538083165908014190.587/8M24240245410010220410810220235.0811/8M30285290512511024513612730279.5811/4M33310315615015928616215042317.51211/8M30365370820020635621220084393.51213/8M364404451025024143226625014570.01613/8M3649049512300292495312305220533.52013/8M3656056514350356518355337350559.02011/2M3964565516400384572400387470616.02015/8M4268569518450451635450438605686.02017/8M487908052050045169549648782079.5202M52810825246004958356005911050901.52021/2M64945965CLass1500PNB26.0MPa2507014058518165.087/8M2422523021/25683162736511190.581M2725025538083172908019203.0811/8M30270275410010220710810226241.5811/4M33310315512511025213612751292.0811/2M39370375615015928016215068317.51213/8M364304408200206350212200130393.51215/8M4251052010250248433266254210482.51217/8M4860061012300305518312305384571.5162M5269571514350356576355337550635.01621/4M5677580016400384639400387635705.01621/2M64850800H76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（mm）重量（KG）配管法兰（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LinmmRFRJClass2500PN42.0MPa25070143484210171.581M2725526021/26583166585218197.0811/8M3029030538086194686226228.5811/4M333203304100105232948840273.0811/2M39370380512511027710610059324.08131/4M45420435615015931516215090368.582M525155308200206385186180150438.0122M5260062010250254474232225240539.51221/2M6475077512300305547272266440619.01223/4M70855885H76系列对夹双瓣旋启式止回阀主要尺寸及重量公称压力PNMPa公称通经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LPN1.0MPa5060108565121254M161506567128736531454M161558073142888041608M161601007316210810261808M161651258619213212782108M168015098218160152132408M20205200127273210203242958M202352501463282662543735012M202553001813783103055040012M202903501844383553507646016M2029540019148940540011051516M2431045020353945545013556520M2432550021959450550015862020M2434560022269660560032072520M2735570030581170069538084024M2744080030591880079656095024M304509003681018903898640105028M305201000432112410551050900116028M3359012005241340120512001400138032M36695PN1.6MPa5060108565121254M161506567128736531454M161558073142888041608M16160H76系列对夹双瓣旋启式止回阀主要尺寸及重量公称压力PNMPa公称通经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LPN1.6MPa1007316210810261808M161651258619213212782108M1618015098218160152132408M202052001272732102032429512M202352501463292662543735512M242653001813843103055041012M243053501844443553507647016M2431040019149640540011052516M273304502035564555013558520M2734550021961850550015865020M3037060022273260560032077020M333807003058027006953808024M3347080030591280079656095024M364759003681012903898640105028M365451000432112610551050900117028M3962012005241340120512001400139032M45735PN2.5MPa5060108565121254M161506567128736531458M161608073142888041608M161701007316810810261908M201801258619413212782208M2420515098224160152142508M242202001272842102032731012M242552501463412662544237012M27285300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