供应真空闸阀 真空隔离闸阀NKZ41H闸阀

主要特点与用途： 1.在消化吸收API、ANSI、JIS等*进标准的同时设计出结构简单，工艺*，材料合理，具有飞球特色的真空隔离阀系列，其性能与质量明显优于国内同类产品。 2.主体采用铸锻结构，具有平行双密封副半强制双向密封，密封面到位运动和楔形块楔紧运动分步作用实现零泄露。 3.密封面运动摩擦力小，启闭轻便，而且密封面磨损有自动补偿功能。 4.阀盖填料室有真空密封结构，具有自胀压紧作用，并且各接合面采用高强膨胀材料密封，使系统与大气*隔离，具有很好的系气密性。 5.本系列阀门连接形式分法兰、焊接两种，驱动方式有手动、电动两种。 　该阀门本适用于工作温度≤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系统，起真空隔离密封作用。NKJ61型真空隔离截止阀的结构：NKZ44、NKZ64型真空隔离闸阀。 公称通径DN/mmNominaldiameter试验压力/MPa Seal test壳体强度试验Sheli strength上密封试验Back seal密封试验Seal test1.0 1.11.11.6 1.81.82.5 2.82.84.0 4.44.46.4 7.07.010.O 11.011.O 产品类型 Product type适用介质 Applicable medium适用温度/℃ Applicable temperatureNKZ41HNKZ44HNKZ944HNKZ941H-C型水、蒸汽、空气Water,Stram.Air≤425NKZ41HNKZ44HNKZ944HNKZ941HY-I型水、蒸汽、空气Water,Stram.Air≤550 零件名称Part name阀体、阀盖Body Bonnet阀杆Valve stem阀板Wedge gate密封面Sealing face阀杆螺母Yoke nut填料Packing紧固件FastenerNKZ44NKZ41NKZ944NKZ941-C型WCB2Gr1325H：合金钢H：alloy steel铝青铜Albronze膨胀复合石墨Expandingcompoundgraphite优质碳钢High-gradecarbon steelNKZ44NKZ41NKZ944NKZ941Y-I型铬钼钢Cr.M0 steel20Cr1M01VA38CrMoAIA铬钼钢Cr．Mo steelY：硬质合金Y：carbide alloy铬钼钢Cr．Mo steel■主要尺寸/mm Main dimensions NKZ41H-10/NKZ941Y-10I NKZ44H-10/NKZ944Y-10I公称通径主要外形尺寸及连接尺寸（mm）LDD1D2bfz-dHH1H2D0手动（kg）电动（kg）502501601251001834-183504006402202572652651801451202034-183754506702403174802801951601352034-1843352872028040861OO3002151801552238-18502620800320559412532524521O1852438-18612753905360751001503502802402102438-2367684796636010012 92004003352952652438-238201039110040015017425045039035032026412-239691245122045024025430050044040036828412-2311421472152750031029435055050046O42828416-2312801450166555O42038O4006005655154823O416-2514521887187060060093045065061556553230420-25154120111946700850123550070067062058532420-251676218121907001100135660080078072568536520-30200026002510800170018307009008 9 584080040524-30220029002810800210023858001000101095090544524-3423603160295080029003100■主要尺寸/mm Main dimensions NKZ41H-16/NKZ941Y-16I NKZ44H-16/NKZ944Y-16I公称通径主要外形尺寸及连接尺寸（mm）LDD1D2bfz-dHH1H2D0手动（kg）电动（kg）502501601251001634-183504006402202579652651801451201834-1837545067O2403185802801951601352038-1843352872028040941003002151801552038-1850262080032055991253252452101852238-18612753905360751391503502802402102438-2367684796636010015420040033529526526312-238201039110040015021025045040535532030312-259691245122045024030030050046041037530412-2511421472152750031041035055052047043534416-2512801450166555042054840060058052548536416-3014521887187060060073245065064058554540420-3015412011194670085098250070070565060844420-341676218121907001100134560080084077071848520-412000260025108001700218070090091084078850524-41220029002810800210025508001000102095089852524-4123603160295080029003380■主要尺寸/mm Main dimensions NKZ41H-25/NKZ941Y-25I NKZ44H-25/NKZ944Y-25I公称通径主要外形尺寸及连接尺寸（mm）LDD1D2bfz-dHH1H2D0手动（kg）电动（kg）502501601251002034-1835O4006402202579652651801451202238-1837545067O240318580280195601352238-1843352872028040941003002301901602438-2350262O800320601041253252702201882838-25612753905360831471503503002502183038-2567684796636011016420040036031027834312-2582O1039110040016422425045042537O3323 6312-30969124512204502603203005a048543039040416-3011421472152750034544535055O55O49044844416-3412801450166555047059840060061055050548416-3414521887187060069082245065066060055550420-34154120111946700920105250070073066061052420-411676218121907001200144560080084077071856520-412000260025108001700218070090095587581560524-4822002900281O8002300275O8001000107099093064524-4823603160295080031003580■主要尺寸/mm Main dimensions NKZ41H-40/NKZ941Y-40I NKZ44H-40/NKZ944Y-40I公称通径主要外形尺寸及连接尺寸（mm）LDD1D2D6bff2z-dHH1H2D0手动（Kg）电动（kg）50250160125100882O344-1835040064024027816528018014512011022348-1838546067O28038928031019516013512122348-1844353872O320501041003502301901601502434.58-23512630800360681221254002702201881762 834.58-25627768905360981521504503002502182043034.58-256918629664001502102005503753202822603834.512-30840105911004502403002506504453853453134234.512-349941270122050035045O3007505104504083644644.516-34117215021527550510613350850570510465422524516-3413014801665600720848400950655585535474584516-4115021937187070011501282: 0532-8563 6636 图文传真:0532-8563 6656:1370 6427 055   :335 1358天津塘美瓦特斯阀门有限公司青岛销售处