GSD341X管网伸缩法兰式蝶阀
价格:8.80
GSD341X管网伸缩法兰式蝶阀GSD341X管网伸缩法兰式蝶阀途及特点本蝶阀适用于食品、饮料、医药、化工式等纯净管路及工业环保、水处理、高层建筑、给排水管路作启闭或调节介质流量之用。GSD341X管网伸缩法兰式蝶阀采用标准法兰连接尺寸:GB9115-88GB91113-88;GB4216-84结构长度:GB12221-89压力试验:GB/T13927-92:ZBJ16006-90GSD341X管网伸缩法兰式蝶阀安装使用注意事项1、伸缩蝶阀在安装前必须平放,切勿随意磕碰,2、伸缩蝶阀出厂时结构长度为最小长度,安装时,拉至安装长度(即设计长度)3、当管道间长度超过伸缩阀安装长度时,请调整管道间隔,切勿强行拉伸缩阀,以免损坏伸缩阀。4、伸缩蝶阀可在任意位置安装,做温度补偿用时,在管道安装完成后,需沿管道轴线方向两端加支架,终止伸缩阀伸缩管拉出,支架的支承力按下列公式计算,运行时严禁将支架卸掉。式中:PS-管道试验压力,DN-管道直径5、伸缩蝶阀不做温度补偿时,只做安装更换,维修阀门方便用时,可用通螺栓限位,对称夹紧伸缩蝶阀以防止伸缩管拉出,损坏伸缩蝶阀及管道装置或建筑物。螺栓直径可按照法兰螺栓直径,其螺栓强度和承受试验压力及管道拉力,按上公式进行计算,运行限位螺栓晋严禁卸掉(螺栓另配)。6、管道施工现场严禁随意拆卸解体伸缩蝶阀。7、本伸缩蝶阀,加工精细,配合严密,请勿在现场随意反复拉长压短伸缩蝶阀。管道安装时,要求伸缩阀两端管道必须同心,管道上的两法兰面要求平行。8、发兰固定螺栓应对称紧固,请勿单边强行紧固法兰固定螺栓。9、伸缩管安装的阀门后。10、伸缩阀伸缩部分不得安装在管道拐角或管道末端。DNH1H2H3L3L2L1L4最大长度Lmax最小长度Lmin伸缩长度LAΦmmin0.61.01.620081752252071258895952652152453528029529525010215266207125889595295235265353353503553001224529020712588959530825428235395400410350142703202071258895953252713003544546017040016305400225189142135135345283314654955155254501832542522518914231513537031434065550565585500203604802251891421351353773163466560062065060022445520256245190267190446388417253705725770700245055822562451902671904453954252538108408408003256062025624519026719047942545525392095095090036630715271340268353245515455485306102010501050100040680760271340268353245525465495306112011601170120048795905271340268353245574495542306134013801390140056900100031847236850535559954257244015601590159016006411011603184723685053556406156154401760182018201800721124124731847236850535572569569544019702020202020008012921362368580453559393764722722600218022302230)