上海沪化阀门制造有限公司电话：021-56065966电话：021-61992355传真：021-36050115手机：18217385759http://E-mail:web@厂址：上海浦东新区杨莲路163号市区销售处：上海市普陀区武威东路788弄8号李先生产品型号：NKZ41HNKZ44Y产品名称：法兰真空隔离闸阀产品口径：DN50-800产品简介：制造标准：中国GB,化工标准HG,机械部JB,美标ANSI,API,日本JIS,JPI,德标DIN,英标BS生产。阀体材质：不锈钢,钛合金钢,铬钼钢,低温钢,锻钢,铜,铸铁,铸钢,碳钢,WCB,WC6,WC9,20#,25#,A105,F11,F22,304,304L,316,316L等。工作压力1.0Mpa-50.0Mp,个别产品可耐到100.0Mp。工作温度：-196℃-650℃,个别产品可耐到1200℃连接方式：卡箍,卡套,承插焊,对焊,焊接,法兰,外螺纹,内螺纹。驱动方式：电动,液动,气动,手动。NKZ41HNKZ44Y法兰真空隔离闸阀产品用途真空隔离闸阀适用于公称压力PN1.0PN1.0～10.0MPaDN50～800mm10.0Mpa，工作温度t≤200℃的火力电站回水冷凝系统管道上，切断或接通介质。适用介质为：水、水蒸汽等。执行标准设计与制造：GB/T12234结构长度：GB/T12221压力温度等级：GB/T9131、GB/T74、HG20604连接法兰：JG/T79、GB/T9113、HG20593-20635试验与检验：GB/T13927、JB/T9092产品结构特点法兰采用法兰螺栓连接，支管两端为法兰连接或对焊连接。采用平行双密封副双向密封，结构简单，维修方便，密封可靠，性能优良，使用寿命长。密封副的相对运动，摩擦力小、启闭轻松。设计了真空密封结构填料室，隔离真空可靠。阀杆经调质和表面氮化处理，有良好的搞腐蚀性，抗擦伤性和耐磨性。法兰垫片采用复合材料，膨胀系数大，气密性能好，保证系统与大气隔离可靠。使用范围产品类型适用介质适用温度℃NKZ41HNKZ44HNKZ944H-C型NKZ941H水、蒸汽、空气≤425NKZ41H(Y)NKZ44H(Y)-I型NKZ944H(Y)NKZ941H(Y)水、蒸汽、空气≤550主要零件材料零件名称阀体、阀盖阀杆闸板密封面阀杆螺母填料紧固件NKZ44HNKZ41H-C型NKZ944H-C型NKZ941HWCB2Crl325H：合金钢铝青铜膨胀复合石墨优质碳钢NKZ44NKZ41Y-I型NKZ944-I型NKZ941铬钼钢20CrlMo1VA38CrMoAlA铬钼钢Y：硬质合金铬钼钢试验压力公称压力试验压力/MPa壳体强度试验上密封试验密封试验1.01.51.11.11.62.41.81.82.53.82.82.84.06.04.44.46.48.67.07.010.015.011.011.0主要外形和连接尺寸公称通径DN/mm公称压力PN/MPa主要外形和连接尺寸/mm阀门重量/kg附法兰尺寸/mmLHDD1D2bfz-dWhD0Dn501.02503451601251001634-1825028454958652703951801451201834-1825040486475802804251951601352034-183005550789710030051O2151801552038-1830072529611012532557024521O1852238-18350106601201361503507252802402102438-18350146601451632004008203352952652638-184002206220222325045089039035032028312-2340031562225278300500107044040036828312-2345039865303330350550132050046042830416-2355053065351382400600145056551548232416-2555069065398432450650156061556553232420-2560087070460485500700172067062058534420-25650108078500535600800188078072568536520-30700135090600636700900208589584080040524-307501950906907268001OOO2590101095090544524-348002500106790826501.62503451601251001634-1825028484958652703951801451201834-1825040506475802804251951601352038-183005852789110030051O2151801552038-183007552961101253255702452101852238-18350110601201361503507252802402102438-233501506014516320040082033529526526312-234002236220122325045089040535532030312-2545032668253278300500107046041037530312-2555043270303330350550132052047043534416-2560057278351382400600145058052548536416-3065074090398432450650156064058554540420-3070095595450485500700172070565060844420-34750119598500535600800188084077071848520-418001455105600636700900208591084078850524-41850211O11O69072680010002590102095089852524-419502630115790826公称通径DN/mm公称压力PN/MPa主要外形和连接尺寸/mm阀门重量/kg附法兰尺寸/mmLHDD1D2bfZ-dWhDODn502.52503451601251002034-1825030484964652703951801451202238-1825043526682802804251951601352238-18300605578951OO3005102301901602438-2330079621001171253255702702201882838-25350114681251441503507253002502183038-253501577215117220040082036031027834312-254002436020122325045089042537033236312-3045034585253278300500107048343039040416-3055045592303330350550132055049044844416-3465061598351382400145061055050548416-34700794115398432450650156066060055550420-347501018115450483500700172073066061052420-418001250120498535600800188084077071856520-418501528130598636700900208595587581560524-48900226514068872680010002590107099093064524-4810002847150788826公称通径DN/mm公称压力PN/MPa主要外形尺寸和连接尺寸/mm阀门重量/kg附法兰尺寸/mmLHDD1D2bf