D43H法兰硬密封蝶阀的产品特点：金属硬密封蝶阀采用三偏心密封结构，阀座与蝶板几乎无磨损，具有越观越紧的密封功能。密封圈选用不锈钢制作，具有金属硬密封和弹性密封的双重优点，无论在低温和高温的情况下，均具有优良的密封性能，具有耐腐蚀,使用寿命长等特点。蝶板密封面采用堆焊钴基硬质合金，密封面耐磨损，使用寿命长。大规格蝶板采用绗架结构，强度高，过流面积大，流阻小。金属硬密封蝶阀具有双向密封功能，安装时不受介质流向的限制，也不受空间位置的影响，可在任何方向安装。驱动装置可以多工位（旋转90°或180°）安装，便于用户使用。D43H法兰硬密封蝶阀用途：D43H型手动法兰硬密封蝶阀，公称压力范围为PN10~PN40。D43H手动多层次金属硬密封蝶阀采用精密的J形弹性密封圈和三偏心多层次金属硬密封结构，被广泛用于介质温度≤425℃的治金、电力、石油化工、以及给排水和市政建设等工业管道上，作调节流量和载断流体使用。D43H法兰硬密封蝶阀主要零件材料：零件名称材料阀体铸铁、不锈钢、铬钼钢、合金钢蝶板铸钢、合金钢、不锈钢、铬钼钢密封圈不锈钢与耐高温石棉板组合成多层次阀杆2Cr13、1Cr13不锈钢、铬钼钢填料柔性石墨D943H-40C、P、R、V系列法兰式多层次金属硬密封蝶阀公称通径DN外形尺寸连接尺寸LHD343HD643HD943HPN4.0MPa短长H1A1B1H2A2B2H3A3B3DD1Z-d501081501123501802006252501705302502551651254-18651121701153702702806252501705302502551851458-18801141801203802702806452501705652502552001608-181001271901384202702806752501706002502552351908-221251402001644603804207154502206402502552702208-261501402101755553804208004502207053003153002508-2620015223020076040042585045022077530031537532012-3025016525024383040042592545028094530031545038512-333001782702508954505601035650280107030031551545016-333501902902809504505601070650280114030031558051016-3640021631030511905355801190650280121030031566058516-394502223303501255535580133557571468561020-395002293503801305535580141557571475567020-42D3（6、9）43H-6～10（C、P、R、V）系列连接尺寸：公称通径DN外形尺寸连接尺寸LHD343HD643HD943HPN0.6MPaPN1.0MPa短长H1A1B1H2A2B2H3A3B3DD1Z-dDD1Z-d50108150112350180200625245725302502551401104-141651254-1865112170115370180200625245725302502551601304-141851454-1880114180120380180200645245725652502551901504-182001608-18100127190138420180200675355926002502552101704-182201808-18125140200164460180200715355926402502552402008-182502108-18150140210175555270280800355927053003152652258-182852408-222001522302007604004258502501707753003153202808-183402958-2225016525024383040042592525017094530031537533512-1839535012-223001782702508954505601035450220107030031544039512-2244540012-223501902902809504505601070450220114030031549044512-2250556016-2240021631030511905355801190450220121030031554049516-2256551516-2645022233035012555355801250650280133557571459555016-2261556520-2650022935038013055355801290650280141557571464560020-2267062020-2660026739044513405706601455850380160565681075570520-2678072520-3070029243048015207505501585850380184465681086081024-2689584024-30800318470530171075055017001250380204065681097592024-30101595024-3390033051058018107505501965125038022557858631075102024-301115105028-33100041055065019609007502015125038023807858631175112028-301230116028-361200470630760225010009252250125038026407858631405134032-331455138032-3914005307108502435100092528861630156036-361675159036-42160060079010302780100092531561830176040-361915182040-48180067087012303020110098034212045197044-392115202044-482000760950135032701100980368522652180)