API铸钢固定式球阀【球阀使用范围】球阀在石油、天然气、煤炭和矿石的开采、提炼加工和管道输送系统中；在化工产品、医药和食品生产种；在水电、火电和核电的电力生产系统中；在城市和工业企业的给排水、供热、和供气系统中；在农田的排灌系统中；在治金生产系统中得以广泛的应用，是一种与生产建设、国防建设和人民生活息息相关的重要机械产品。球阀密闭在各类管路系统种用于截断或接通介质流，使介质按照预定的程序输送到各个指定点。【材料选用表】阀体阀杆阀球密封面垫片填料工作温度适用介质WCB1Cr131Cr131Cr13司太立合金本体材料柔性石墨不锈钢加柔性石墨08软钢F304F316柔性石墨编结石墨-29-425℃水、蒸汽、油品WC615CrMo15CrMo-29-425℃WC925Cr2MoV25Cr2MoVLCB304304-46-354℃CF8304304-196-600℃部分酸、碱CF3304L304LCF8M316316CF3M316L316L【特点及优点】手动部分可采用钢板压制的手柄或不锈钢铸造的手柄。手柄设有限位结构，在阀门开启、关闭的位置设定限位，当阀门使用在关键装置上时，限位块上设有锁孔可锁定开关位置避免误操作。手柄上有明显地开和关标识。阀杆采用A182F（1Cr13）整体锻造并调制处理，硬度达到HB220～250。阀杆通过平键或花键或方契与手柄连接，通用性强，拆装方便。阀杆设有防吹出结构。阀门的填料选用编结、柔性石墨密封圈或四氟烯密封圈，使得阀杆在一定的润滑情况下实现可靠的密封。根据需要，球阀可设计成防静电结构，在球体与阀杆、阀杆与阀体之间设置导电弹簧，避免静电打火点燃易燃物质，确保系统安全。密封副形式多样。根据不同工况可选用软密封、硬密封、防火阀座等结构；DN150以下为浮球形式，DN200以下为固定球形式。球阀阀座处可设置辅助密封结构，在阀座和阀杆部位加装注脂阀，紧急情况下可暂时密封，并可根据需要加长阀杆以适宜埋地铺设得场所。固定式球阀主要尺寸参数及重量（图1：结构示意图）Class150Lb(mm)公称通经DN2"2-1/2"3"4"5"6"8"10"12"14"16"18"20"24"28"32"36"40"d1516476102127152203254305337387438489591686781876978LRF17819120322935639445753361068676286491410671245137215241753BW21624128330538145752155963576283891499111431346152417271880H10211412715218421927336039543047055058070080095011001200手动H110712515217830033039849558062567069884010501100115012471374E------1161161711712572572571508383123123F------350350420420400400400410650650735735W2304004006501050150600600800800800800800800800800800800Wt(Kg)1216223558742053224605768641280160035404500594075409320电动H2-----554600652760770830-94010201115---L1-----235235235259400400-410410410---气动H3274379389479552666736926159112713931468153813701450---L22704054055765767767767761060106013601360136028402840---class300Lb公称通经DN2"2-1/2"3"4"5"6"8"10"12"14"16"18"20"24"28"32"36"40"d1516476102127152203254305337387438489591686781876978LRF21624128330538140350256864876283891499111431346152417271880BW21624128330538145752155963576283891499111431346152417271880H10211412715218421927336039543047055058070080095011001200手动H110712515217830033039849558062567069884010501100115012471374E------1161161711712572572571508383123123F------350350420420400400400410650650735735W2304004006501050150600600800800800800800800800800800800Wt(Kg)1524305587118255370533640103015242100420053007860868410300电动H2-----235235400400410410-420690690---L1-----74350350420420400-400410650---气动H334037945247964666681410021059115012051250129513901470---L2405405574574756756106010601060136013602840284033003300---class400Lb公称通经DN2"2-1/2"3"4"6"8"10"12"14"16"20"24"28"d1516476102152203254305337387489591686LRF292330356406495597673762826902105412321397BW295333359410498600676765829905106012411410H114124133159250294395445500530660800900手动H110815519723530037444551255061581010101180E11611611611611617117125725725715083123F350350350350350420420400400400410650735W600600600600600800800800800800800800800Wt(Kg)233549911923556408801100154028005305700电动H2----55457493177186780597910851147L1----235235400400410410420690690电动H3340---6668951002105911601250132014701520L2405--57475610601060136013602840284033003300class600Lb公称通经DN2"2-1/2"3"4"6"8"10"12"14"16"20"24"28"d1516476102152203254305337387489591686LRF292330356432559660787838889991119413971549BW295333359435562664791841892994120014071562H114124133159250294395445500530660800900手动H110815519723530037444551255061581010101180E11611611611611617117125725725715083123F350350350350350420420400400400410650735W600600600600600800800800800800800800800Wt(Kg)35385510223239071096017001970325058006700电动H2----56965869476582591799810981185L1----235235400400410410420690690电动H3340---6668951002105911601250132014701520L2405--57475610601060136013602840284033003300class900Lb公称通经DN2"2-1/2"3"4"6"8"10"12"14"16"18"20"24"d1516476102152203254305327375426473572LRF36841938145761073783896510291130121913211549BW37142238446061374084196810381140123213341568H217241259297360322420470510600700720810手动H1126158191216270394502572675762866894965E11616116116171171257257150150180180220F350350350350420420400400410410650650735W600600600600800800800800800800800800800Wt(Kg)506080125270)