多层次硬密封蝶阀由本公司精心生产的一款蝶阀，在保证质量的同时，价格也是非常合理，以及在售后我们也做的非常完善。多层次硬密封蝶阀适用于各种不同的轻重工业工况以及建筑管道。蝶阀广泛应用于：化工，液化石油气，车船制造设备，水、石油、啤酒、制药、电力，机械设备阀门、电子工业阀门，城建阀门、工业管道阀门、通用零部件、工业设备、消防暖通、过滤设备、环保设备等领域。产品名称多层次硬密封蝶阀产品型号D(3/6/9)73H、D(3/6/9)43H公称通径DN50-2000压力范围1.6MPa阀体材质铸钢、不锈钢产品介绍：多层次硬密封蝶阀该产品广泛用于石油、化工、电力、冶金、食品、医药、轻纺、造纸等行业，可安装在温度≤425℃，介质为煤气、空气、蒸汽、水、海水、油品等工业管网上作调节流量和切断介质用。驱动形式有手动、蜗轮传动、气动、液动、电动、电液联动等执行机构，可实现远距离控制和自动化操作。金属硬密封蝶阀系列产品，系长寿命、节能型蝶阀。其结构采用三维编心原理设计，阀座采用硬软密封兼容的多层次结构，加工*，工艺。本产品由阀体、蝶板、多层次阀座、阀杆、传动机构等主要部件组成。因此被广泛地应用到冶金、电力、石油、化工、空气、煤气、可燃气体以及给排水等腐蚀性介质的管道上。产品特点：由于本产品蝶阀采用的是三维偏心原理设计，使密封面的空间运动轨迹达到理想化，密封面相互之间无磨擦、无干涉、加之密封材料选择得当，从而使蝶阀的密封性、耐腐蚀性、耐高温性和耐磨性等得到了可靠的保证。其主要特点如下：1、开启力矩小，灵活方便，省力节能。2、三维编心结构，使蝶板越关越紧，其密封性能可靠，达到无泄漏。3、耐高压、耐腐蚀、耐磨损、使用寿命长等。采用标准：设计标准:GB/T12238-1989；JB/T8527-1997法兰连接尺寸:GB/T9113.1-2000；GB/T9113.2-2000GB/T9115.1-2000；GB/T9115.2-2000结构长度:GB/T12221-1989压力试验:GB/T13927-1992；JB/T9092-1999D73H/D373H/D673H/D973H-(6、10)列连接尺寸：公称通径DN外形尺寸连接尺寸LHD73H/D373H/D673H/D973HPN0.6MPaPN1.0MPaH1A1B1D1Z-dD1Z-d50431123501802001104-141254-1865461153701802001304-141454-1880641203801802001504-181608-18100641384201802001708-181808-18125701644601802002008-182108-18150761755552702802258-182408-222008920860527028028012-182958-2225011424368027028033512-2235012-2230011428380038042039512-2240012-2235012731083538042044516-2246016-2240014034091545047049516-2251516-2645015238096048049055016-2256520-26500152410102048049060020-2262020-26600178470122548049070520-2672520-30700229550135564066081024-2684024-30800241640147064066090224-3095024-339002417101545750860102024-30105028-3310003007701795850900112028-30116028-3612003608901965850900134032-33138032-39D73H/D373H/D673H/D973H-(16、25)连接尺寸：公称通径DN外形尺寸连接尺寸LHD73H/D373H/D673H/D973HPN1.6MPaPN2.5MPaH1A1B1D1Z-dD1Z-d50431123501802001254-181254-1865461153701802001454-181458-1880491203801802001608-181608-18100561384201802001808-181908-22125641644601802002108-182208-26150701755552702802408-222508-262007120860527028029512-2231012-262507624368027028033512-2637012-303008328382538042041012-2643016-303509231090038042047016-2649016-3340010234098045047052516-3055016-36450114380103048049058520-3060020-36500127410110548049065020-3366020-36600154470131048049077020-3677020-39700165550143564066084024-3687524-42800190640160564066095024-3999024-489002037101745750860105028-39109028-4810002167701885850900117028-42121028-5612002548902105850900139032-48142032-56D73H/D373H/D673H/D973H-(40)连接尺寸：公称通径DN外形尺寸连接尺寸LHD73H/D373H/D673H/D973HPN4.OMPaH1A1B1D1Z-d50431123501802001254-1865461153701802001458-1880491203801802001608-18100561384201802001908-22125641644601802002208-26150701755552702802508-262007120860527028032012-302507624368027028038512-333008328382538042045016-333509231090038042051016-3640010234098045047058516-39450114380103048049061020-39500127410110548049067020-42D43H/D343H/D643H/D943H-(6、10)连接尺寸：公称通径DN外形尺寸连接尺寸LHD43H/D343H/D643H/D943HPN0.6MPaPN1.0MPa短长H3A3B3DD1Z-dDD1Z-d501081501125302502551401104-141651254-18651121701155302502551601304-141851454-18801141801205652502551901504-182001608-181001271901386002502552101704-182201808-181251402001646402502552402008-182502108-181501402101757053003152652258-182852408-222001522302087753003153202808-183402958-2225016525024394530031537533512-1839535012-22300178270283107030031544039512-2244540012-22350190290310114030031549044512-2250546016-22400216310340121030031554049516-2256551516-26450222330380133557571459555016-2261556520-26500229350410141557571464560020-2267062020-26600267390470160565681075570520-2678072520-30700292430550184465681086081024-2689584024-30800318470640204065681097592024-30101595024-3390033051071022557858631075102024-301115105028-33100041055077023807858631175112028-301230116028-36120047063089026407858631405134032-331455138032-39140053071092028861630156036-361675159036-421600600790108531561820176040-361915182040-481800670870123034212045197044-392115202044-482000760950135036852265218048-422325223048-48D43H/D343H/D643H/D943H-(16、25)连接尺寸：公称通径DN外形尺寸连接尺寸LHD43H/D343H/D643H/D943HPN1.6MPaPN2.5MPa短长H3A3B3DD1Z-dDD1Z-d501081501125302502551651254-181651254-18651121701155502502551851454-181851458-18801141801205652502552001608-182001608-181001271901386002502552201808-182351908-221251402001646402502552502108-182702208-261501402101757053003152852408-223002508-2620015223020877530031534029512-2236031012-2625016525024394530031540535512-2642537012-30300178270283107030031546041012-2648543016-30350190290310114030031552047016-2655549016-33400216310340121030031558052516-3062055016-36450222330380133557571464058520-3067060020-36500229350410141557571475065020-3373066020-36600267390470160565681084077020-3684577020-39700292430550184465681091084024-3696087524-428003184706402040656810102595024-39108599024-4890033051071022557858631125105028-391185109028-48100041055077023807858631255117028-421320121028-56120047063089026407858631485139032-481530142032-56140053071092028861685159036-481755164036-621600600790108531561930182040-561975186040-621800670870123034212130202044-562195207044-702000760950135036853685223048-622425230048-70D43H/D343H/D643H/D943H-(40)连接尺寸：公称通径DN外形尺寸连接尺寸LHD43H/D343H/D643H/D943HPN4.OMPa短长H3A3B3DD1Z-d501081501125302502551651254-18651121701155302502551851458-18801141801205652502552001608-181001271901386002502552351908-221251402001646402502552702208-261501402101757053003153002508-2620015223020877530031537532012-3025016525024394530031545038512-33300178270283107030031551545016-33350190290310114030031558051016-36400216310340121030031566058516-39450222330380133557571468561020-39500229350410141557571475567020-42购买本公司蝶阀请按以下指示进行安装：（详情或见产品说明书）（1）、在安装时，阀瓣要停在关闭的位置上。（2）、开启位置应按蝶板的旋转角度来确定。（3）、带有旁通阀的蝶阀，开启前应先打开旁通阀。（4）、应按制造厂的安装说明书进行安装，重量大的蝶阀，应设置牢固的基础。