概述：NKZ41H真空法兰闸阀真空法兰闸阀主要性能规范 Chief property ａnd specification真空法兰闸阀试验压力 Test pressure公称压力PN/MPaNominalpressure试验压力/MPa Seal test壳体强度试验Shell strength上密封试验Back seal test密封试验Seat test1.01.51.11.11.62.41.81.82.53.82.82.84.06.O4.44.46.48.67.O7.01O.O15.O11.O11.O真空法兰闸阀使用范围Applicable产品类型Product type适用介质Applicable medium适用温度/℃Applicable temperatureNKZ41HNKZ44HNKZ944H-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真空法兰闸阀主要零件材料Materials for main parts零件名称Part name阀体、阀盖Body Bonnet阀杆Stem闸板Wedge gate密封面Sealing face阀杆螺母Yokenut填料Parking紧固件FastenerNKZ44HNKZ41H-C型NKZ944H-C型NKZ941HWCB2Crl325H：合金钢H：alloy steel铝青铜Albronze膨胀复合石墨ExpandingcomDoundgraphite优质碳钢High-gradecarbon steelNKZ44NKZ41Y-I型NKZ944-I型NKZ941铬钼钢Cr.Mo steel20CrlMo1VA38CrMoAlA铬钼钢Cr.Mo steelY：硬质合金Y：carbide alloy铬钼钢Cr.Mo steel·真空法兰闸阀主要尺寸及重量Maindimensions ａnd weight公称通径DN/mmNominaldiameter公称压力PN/MPaNominalpressure主要外形尺寸和连接尺寸/mmMain extemal ａnd connecting dimensions阀门重量/kgValveweight附法兰尺寸/mmAdditional flange＇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