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              产品服务 > 闸阀系列 > 国标闸阀

              国标闸阀

              产品型号:Z41H
              公称通径:DN50~1200mm
              压力范围:PN10~160MPa
              工作温度:-29℃~+600℃
              主体材质:碳钢、不锈钢、合金钢
              设计与制造:GB12234
              结构长度:GB12221
              法兰尺寸:GB9113 JB79
              压力温度:GB9131
              试验检验:GB/T13927 、JB/T9092

              分享

              一、国标闸阀介绍

                     用途与特点闸阀是一种最常见的启闭阀,利用闸板的上下工作来接通(全开)和截断(全关)管道中的流体介质。
               1、流体阻力小,密封面受介质的冲刷和侵蚀小(闸板开启高度高)。
               2、开启较有力,密封性能好,介质流向不受限制,不扰流,不降压力。
               3、形体简单,制造工艺性好,适用范围广。


               压力试验

              公称压力1.62.54.06.410.016.0
              强度试验2.43.86.09.615.024.0
              水密封试验1.82.84.47.011.018.0
              上密封试验1.82.84.47.0411.018.0
              气密封试验0.4-0.7


              二、国标闸阀主要零件材料及性能

              体盖板阀杆密封面垫片填料工作温度℃适用介质
              WCB2Cr1313CrSTL本体材料尼龙增强柔性石墨1Cr13/
              柔性石墨08软钢0Cr18Ni9Ti0Cr17Ni12
              Mo2TiXD550F(T)PTFE
              柔性石墨增强
              柔性石墨
              SFB/260SFP
              /260PTFE
              ≤425水、蒸汽、油品
              WC138CrMoA125Cr2MoV≤450
              WC6≤540
              WC9≤570
              ZGCr5Mo≤540
              ZG1Cr18Ni9Ti1Cr18Ni9Ti≤200销酸类
              ZG1Cr18Ni12Mo2Ti1C18Ni12Mo2Ti≤200醋酸类


               三、国标闸阀主要外形尺寸

              PN1.6MPa规格主要尺寸

              1.6MPaDNLdD1D2bn-ΦdHD0
              凸面法兰
              RF
              Z40H
              Z40Y
              Z40W
              Z40F
              Z40NZ41H
              Z41Y
              Z41F
              Z41N16C 
              16P
              16R
              16I
              15130956545144-Φ14170120
              201501057555144-Φ14190140
              251601158565144-Φ14205160
              3218013510078164-Φ18270180
              4020014511085164-Φ18310200
              50250160125100164-Φ18358240
              65265180145120184-Φ18373240
              80280195160135208-Φ18435280
              10030025180155208-Φ18500300
              125325245210185228-Φ18614320
              150350280240210248-Φ23674320
              2004003352952652612-Φ23818400
              2504504053553203012-Φ25969450
              3005004604103753012-Φ251145500
              3505505204704353416-Φ251280500
              4006005805254853616-Φ3014852560
              4506506405855454020-Φ301541600
              5007007056506084420-Φ341676640
              6008008407707184820-Φ411874720
              7009009108407885024-Φ412083800
              800100010209508985224-Φ412400950
              9001100112010509986428-Φ4129501000
              100012001255117011105628-Φ4832451000

               

              PN2.5MPa规格主要尺寸

              2.5MPaDNLDD1D2bn-ΦdHDO
              凸面法兰 
              RF
              Z40H
              Z40Y
              Z40W
              Z40F
              Z40NZ41H
              Z41Y
              Z41F
              Z41N25C 
              25P
              25R
              25I
              15130956545164-Φ14172120
              201501057555164-Φ14191140
              251601158565164-Φ14205160
              3218013510078184-Φ18270180
              4020014511085184-Φ18300200
              50250160125100204-Φ18357240
              65265180145120228-Φ18376240
              80280195160135228-Φ18434280
              100300230190160248-Φ23502300
              125325270220188288-Φ25613320
              150350300250218308-Φ25675320
              2004003603102783412-Φ25819400
              2504504253703323612-Φ30968450
              3005004854303904016-Φ301144500
              3505505504904484416-Φ341280500
              4006006105505054816-Φ341451560
              4506506606005555020-Φ341542600
              5007007306605105220-Φ411678640
              6008008407707185620-Φ411875720
              7009009558758156024-Φ282082800
              800100010709909306424-Φ282403950
              90011001180109010256628-Φ5429521000
              100012001305121011406828-Φ5832441000

               

              PN4.0MPa~6.4 MPa规格主要尺寸

              4.0MPaDNLDD1D2D6bn-ΦdHD0
              凹面法兰 
              MFM
              Z40H
              Z40Y
              Z40W
              Z40F
              Z40NZ41H
              Z41Y
              Z41F
              Z41N40
              40P
              40R
              40I
              1513095654540164-Φ14134120
              20150105755551164-Φ14188140
              25160115856458164-Φ14206140
              321801351007866184-Φ18272180
              402001451108576184-Φ18322180
              5025016012510088204-Φ18370240
              65280180145120110228-Φ18394280
              80310195160135121228-Φ18455300
              100350230190160150248-Φ23550320
              125400270220188176288-Φ2563635
              150450300250218204308-Φ30706400
              2005503753202822603812-Φ34859450
              2506504453853453134212-Φ341016560
              3007505104504083644616-Φ341200640
              3508505705104654225216-Φ411340640
              4009506555855354745816-Φ411495720
              45010506806105605246020-Φ481581800
              50011507556706125766220-Φ541790950
              60013508906957306786220-Φ142035950
              6.4MPa151700105755540184-Φ181425160
              凹面法兰 
              MFM
              Z40H
              Z40Y
              Z40W
              Z40F
              Z40NZ41H
              Z41Y
              Z41F
              Z41N64
              64P
              64R
              64I
              20190125906851204-Φ18142160
              252101351007858224-Φ23214200
              322301501108266244-Φ23269200
              402401651259576244-Φ23343240
              5025017513510588264-Φ23370240
              65280200160130110288-Φ23396280
              80310210170140121308-Φ23458300
              100350250200168150328-Φ25553300
              125400295240202176368-Φ30638350
              150450340280240204388-Φ34718400
              2005504053453002604412-Φ34873450
              2506504704003523134812-Φ411050560
              3007505304604123645416-Φ411203640
              3508505955254754226016-Φ411394720
              4009506705855254746616-Φ481645800
              50011508007056405767020-Φ542285950
              60013509308207506787020-Φ582610950

               

              PN10.0MPa~16.0MPa(规格主要尺寸)

              10.0MPaDNLDD1D6bb-ΦdHD0
              凹面法兰 
              MFM
              Z40H
              Z40Y
              Z40WZ41H
              Z41Y
              Z41W100
              100P
              100R
              100I
              151701057540204-Φ14175160
              201901259051224-Φ18180160
              2521013510058244-Φ18310180
              3223015011066244-Φ23320200
              4024016512576264-Φ23360200
              5025019514588284-Φ25490240
              65280220170110328-Φ25540240
              80310230180121348-Φ25573280
              100350265210150388-Φ30575320
              125400310250176428-Φ34744360
              1504503502902044612-Φ34800400
              2005004303602605412-Φ41800500
              2506505004303136012-Φ411050640
              3007505855003647016-Φ481208720
              3508506555604227616-Φ541410720
              4009507156204748016-Φ541655800
              16.0MPa151701107540244-Φ18230160
              凹面法兰 
              MFM
              Z40H
              Z40Y
              Z40WZ41H
              Z41Y
              Z41W160
              160P
              160R
              160I
              201901309051264-Φ23260180
              2521014010058284-Φ23280200
              32231016511566304-Φ25312200
              4024017512576324-Φ27350240
              5030021016588368-Φ25412280
              65340245190110448-Φ30560320
              80390260205121468-Φ305853.50
              100450300240150488-Φ34630400
              125525355285176608-Φ41723500
              1506003903182046612-Φ41820560
              2007504804002607812-Φ8990720
              2508505804853138812-Φ541104800
              30095066557036410016-Φ541314800
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