一、D943H金属硬密封电动蝶阀结构及性能简介：三偏心硬密封蝶阀系列产品，系我公司1996年开发的长寿命、节能型蝶阀。产品符合国家标准JB/T8527－97(金属密封蝶阀)，GB／T13927－92(通用阀门压力试验)标准及阀门其它相关标准的规定。本产品由阀体、蝶板、密封圈、传动机构等主要部件组成。其结构采用三维偏心原理设计，弹性密封和硬软多层密封兼容的加工新工艺，使蝶阀在运行工作时，减少其扭矩力，达到省力，节能之功能。从而确保整体的抗腐蚀．耐高温．,抗靡损的可靠性。二、金属硬密封电动蝶阀主要性能特点是：1．结构独特、型小轻便、操作灵活、省力、方便；2．密封可靠，可达到气密封无泄漏；3．流量特性趋于直线调节性有最佳；4．采用三偏心原理，使密封面近似零靡损延长了阀门的使用寿命；5．应用范围广。如：可用于水、蒸气、油品、空气、煤气等介质。6．适用不同温度及6.4MPa以下的压力等级，耐腐蚀等各种介质管线。三、金属硬密封电动蝶阀用途：本蝶阀适用于食品．医药．石油化工．电厂．钢厂．工业环保水处理及高层建筑．供排水管道上作调节流量和截断流体最佳装置。四、金属硬密封电动蝶阀主要连接及外形尺寸：公称通径DN结构长度L外形尺寸（参考值）连接（标准值）参考重量Dd343HHDd943HPN0.6MPaPN1.0MPamminch短长H3A3B3DD1z-dDD1z-d5021081501125302502551401104-141651254-1817655/21121701155302502551601304-141851454-18208031141801205652502551901504-182001608-182310041271901386002502552101704-182201808-182512551402001646402502552402008-182502108-184015061402101757053003151652258-182852408-224720081522302007753003153202808-183402958-22602501016525024394530031537533512-1839535012-229530012178270250107030031544039512-2244540012-2212435014190290280114030031549044512-2250546016-2218140016216310305121030031554049516-2256551516-2626045018222330350133557571459555016-2261556520-2633850020229350380141557571464560020-2267062020-2636060024267390445160565681075570520-2678072520-3054070028292430480184465681086081024-2689584024-3058080032318470530204065681097592024-30101595024-338459003633051058022557858631075102024-301115105028-33105010004041055065023807858631175112028-301230116028-3615001200484706307602640785863.1405134032-331455138032-392000140056530710850288684108901630156036-361675159036-423000160064600790103031568108901830176040-3691915182040-484700180072670870123034218309302045197044-392115202044-486500200080760950135036858509402265218048-422325223048-488700五、金属硬密封电动蝶阀主要连接及外形尺寸：公称通径DN结构长度外形尺寸（参考值）连接尺寸（标准值）HDd943HPN4.0MPaMminch短长H3A3B3DD1z-Φd5021081501125302502551651254-18655/21121701155302502551851458-188031141801205652502552001608-1810041271901386002502552351908-2212551402001646402502552702208-2615061402101757053003153002508-26200815223020077530031537532012-302501016525024394530031545038512-33300121782702580107030031551545016-3335014190290280114030031558041016-3640016216310305121030031566058516-3945018222330350133557571468561020-3950020229350380141557571475567020-42阀门型号编制方法http:///News/T2/ml氧气截止阀http:///Products/T118/ml)