NKZ41H真空隔离闸阀NKZ41H真空隔离闸阀的详细资料：本系列真空隔离闸阀连接形式分法兰、焊接两种，驱动方式有手动、电动两种。该真空隔离闸阀适用于工作温度≤425℃和≤550℃，工作介质为水、蒸汽或空气的管路上，作为启闭装置；尤其适用于火电厂汽机冷凝和真空负压系统，起真空隔离密封作用。结构特点1、设计了真空密封结构填料室，使系统与大气隔离，具有良好的环保性能。2、选材考究，符全国内外相关标准，材料的全面质量高。3、密封副配对先进合理，提高了密封性能，使用寿命长。4、启闭件采用平行闸板双向弹性密封，摩擦力小，启闭轻松，维修方便，密封可靠，性能优良。5、阀杆经调质及表面氮化处理，有良好的抗腐蚀性、抗擦伤性和耐磨性。6、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。J65Y直流式对焊截止阀J65Y直流式对焊截止阀产品特点：高温高压直流式对焊截止阀,直流式对焊截止阀,高温高压截止阀BJ41H保温截止阀BJ41H保温截止阀主要用于石油、化工、冶金、制药等各类系统中，以输送常温下会凝固的高粘度介质BJ45H直流式保温截止阀直流式保温截止阀，BJ45H保温截止阀，该阀适用于化工、化肥行业的管路上，夹套内涵入蒸汽能防止介BJ41Y锻钢保温截止阀锻钢保温截止阀，BJ41Y保温截止阀，BJ41Y锻钢截止阀J641H气动截止阀J641H气动截止阀本阀采用双作用气缸，利用上腔进气或者下腔进气来远距离控制阀门，操作方便、灵活J41W法兰不锈钢截止阀J41W法兰不锈钢截止阀的阀杆轴线与阀座密封面垂直。阀杆开启或关闭行程相对较短，J41W截止阀具有真空隔离闸阀试验压力公称压力PN/MPaNominalpressure试验压力/MPaSealtest壳体强度试验Shellstrength上密封试验Backsealtest密封试验Seattest1.01.51.11.11.62.41.81.82.53.82.82.84.06.O4.44.46.48.67.O7.01O.O15.O11.O11.O真空隔离闸阀使用范围产品类型Producttype适用介质Applicablemedium适用温度/℃ApplicabletemperatureNKZ41HNKZ44HNKZ944H-C型NKZ941H水、蒸汽、空气Water，Steam，Air≤425NKZ41H(Y)NKZ44H(Y)-I型NKZ944H(Y)-I型NKZ941H(Y)水、蒸汽、空气Water，Steam，Air≤550真空隔离闸阀主要零件材料零件名称Partname阀体、阀盖BodyBonnet阀杆Stem闸板Wedgegate密封面Sealingface阀杆螺母Yokenut填料Parking紧固件FastenerNKZ44HNKZ41H-C型NKZ944H-C型NKZ941HWCB2Crl325H：合金钢H：alloysteel铝青铜Albronze膨胀复合石墨ExpandingcomDoundgraphite优质碳钢High-gradecarbonsteelNKZ44NKZ41Y-I型NKZ944-I型NKZ941铬钼钢Cr.Mosteel20CrlMo1VA38CrMoAlA铬钼钢Cr.MosteelY：硬质合金Y：carbidealloy铬钼钢Cr.Mosteel真空隔离闸阀主要尺寸及重量公称通径DN/mmNominaldiameter公称压力PN/MPaNominalpressure主要外形尺寸和连接尺寸/mmMainextemalandconnectingdimensions阀门重量/kgValveweight附法兰尺寸/mmAdditionalflange’sdimensionsLHDD1D2bfz-dWhD0Dn501.O2503451601251OO1634-1825028454958652703951801451201834-1825040486475802804251951601352034-183005550789710030051O2151801552038-1830072529611012532557024521O1852238-183501066012013615035072528024021O2438-18350146601451632004008203352952652638-184002206220222325045089039035032028312-2340031562225278300500107044040036828312-2345039865303330350550132050046042830416-2355053065351382400600145056551548232416-2555069065398432450650156061556553232420-2560087070460485500700172067062058534420-25650108078500535600800188078072568536520-30700135090600636700900208589584080040524-307501950906907268001OOO2590101O95090544524-348002500106790826501.62503451601251OO1634-1825028484958652703951801451201834-1825040506475802804251951601352038-183005852789110030051O2151801552038-1830075529611012532557024521O1852238-183501106012013615035072528024021O2438-233501506014516320040082033529526526312-234002236220122325045089040535532030312-2545032668253278300500107046041O37530312-2555043270303330350550132052047043534416-2560057278351382400600145058052548536416-3065074090398432450650156064058554540420-3070095595450485500700172070565060844420-34750119598500535600800188084077071848520-4180014551056006367009002085g1O84078850524-41850211O11O6907268001OOO2590102095089852524-419502630115790826真空隔离闸阀主要尺寸及重量公称通径DN/mmNominaldiameter公称压力PN/MPaNominalpressure主要外形尺寸和连接尺寸/mmMainexternalandconnectingdimensions阀门重量/kgValveweight附法兰尺寸/mmAdditionalflange’sdimensionsLHDD1D2bfZ-dWhDODn50252503451601251002034-1825030484964652703951801451202238-1825043526682802804251951601352238-18300605578951OO3005102301901602438-2330079621001171253255702702201882838-25350114681251441503507253002502183038-253501577215117220040082036031027834312-25