■产品简介:金属硬密封蝶阀是通用软密封蝶阀向中压中高温领域的廷伸和发展，它除保留原有蝶阀具有的结构紧凑，体积小，重量轻，操作方便，性能可靠，维修简单外，还具有抗老化，抗辐照，经久耐用，寿命长，耐温耐高压，应用范围广等特点。广泛应用于热力管道，锅炉辅机系统，石油化工和冶金行业中，用来切断和调节各种非腐蚀性和腐蚀性介质。■产品特点：1、本产品采用独特的三偏心结构设计，不仅结合了双偏心结构的优点，同时还具备角偏心的优异性能。2、阀杆轴心线与阀体中心线的偏心量很小，使蝶阀外型美观，便于安装，同时减小流阻，提高流通能力，起到节能效果。3、密封圈采用多层次复合材料制造，具有硬度高，耐腐蚀强，弹性好，密封性能可靠，10万次开关无泄漏的优异特点。■BD343H法兰式多层次金属硬密封保温蝶阀结构图:400)this.width=400;src=http://www.quan-g.com/uploadfile/product/gstyle=width:619px;height:543pxwidth=400/>■主要技术参数和性能指标:公称通径DN50～2000mm公称压力0.1～4.0Mpa适用温度-50～600传动方式手动、蜗轮、气动、电动、液动适用介质水、蒸气、酸、碱、油品等■主要外形尺寸：外型连接尺寸（PN=1.0MPA法兰式硬密封蝶阀）（D343H-10C，P，R）公称通径参数（MM）LDD1bHH1A1A2B1B2nd5010816512520350901001451251904φ186511218514520370951001451251904φ1880114200160204101051001601251908φ18100127220180224301201251601251908φ18125140250210225101401251601302238φ18150140285240246201601301601302238φ22200152340295246802001301951302238φ222501653953502676026013019516030012φ223001784454002696028016019516030012φ2235019050546026101032016025016030016φ2240021656551526107034016025016063516φ2645022261556528113037018025020063520φ2650022967062028121041018025020063520φ2660026778072530132048025030025064020φ3070029289584030161060025030025064024φ30800318101595032171071031035033071524φ339003301115105034200085031035033071528φ3310004101230116034213097040041040579528φ361200470145513803822301030400410405111032φ391400530167515904224191050480500500111036φ421600600191518204625151085480500500125040φ481800670211520205027301230480500500125044φ482000760232522305429751350480500500125048φ48外型连接尺寸（PN=1.6MPA法兰式硬密封蝶阀）（D343H-16C，P，R）公称通径参数（MM）LDD1bHH1A1A2B1B2nd5010816512520490981251451251904φ1865112185145205101001251451251904φ1880114200160205351051251601251908φ18100127220180225701221251601251908φ18125140250210226001421251601302238φ18150140285240246001571301601302238φ222001523402952481019213019513022312φ222501654053552692023513019513022312φ263001784604102896027016019516030012φ2635019052047030124035016025016030016φ2640021658052532132037516025016063516φ3045022264058534140042016025016063520φ3050022971565036150044018025020063520φ3360026784077038162050018025020063520φ3670029291084040180055018020025064024φ36800318102595042198055025030025064024φ399003301125105044220067525035033071528φ3910004101255117046246075031035033071528φ4212004701485139052280089031041040579532φ4814005301685159058295092040041040579536φ481600600193018206430501085400410405111040φ5618006702130202068320012304805000500111044φ562000760234522307034001350480500500125048φ62外型连接尺寸（PN=2.5MPA法兰式硬密封蝶阀）（D343H-25C，P，R）公称通径参数（MM）LDD1bHH1A1A2B1B2nd5010816512520490981251451251904φ1865112185145225101001251451251908φ1880114200160245351051251601251908φ18100127235190245701221251601251908φ22125140270220266001421301601302238φ26150140300250286001571301601302238φ262001523603103081019213016013023012φ262501654253703292032513019513023012φ303001784854303496027016019516030016φ3035019055549038124035016019516063516φ3340021662055040132037516025016063516φ3645022267060042140042016025016063520φ3650022973066044150044018025020063520φ3660026784577046162050018025020063520φ39700292960875501800550250)