球阀

球阀(ball valve ），启闭件（球体）由阀杆带动，并绕球阀轴线作旋转运动的阀门。亦可用于流体的调节与控制，其中硬密封V型球阀其V型球芯与堆焊硬质合金的金属阀座之间具有很强的剪切力，特别适用于含纤维、微小固体颗料等的介质。而多通球阀在管道上不仅可灵活控制介质的合流、分流、及流向的切换，同时也可关闭任一通道而使另外两个通道相连。本类阀门在管道中一般应当水平安装。球阀按照驱动方式分为：气动球阀，电动球阀，手动球阀。

性能规范

公称压力
Nominal pressure1.62.54.06.4壳体试验压力
Shell test pressure2.43.86.09.6密封试验（液）
Seal test1.82.84.47.0密封试验（气）
Sealtest0.5～0.7适用介质
Applicable mediumCPR
水、油品、蒸汽 硝酸类 醋酸类
Water,oil,steam,Nitric acid Acetic acid 适用温度
Applicable temperature≤200℃

结构长度Face to FACE:gb1221、ANSI B16.10
法兰标准Flange standard:JBT9、ANSI B16.5
检验和试验Nspeetion and test:ZBJ16006、API598

主要尺寸及重量

公称通径DN
Nominal diameter公称压力(MPa)
Nominal pressureLWHDD1D2bfz-d重量(kg)
Weight系列1系列2151.6130108130599565451424-142.3201401171306310575551424-143.0251501271607511585651424-144.53216514016085135100781624-185.74018016523095145110851634-187.0502001782301071601251001634-189.5652201904001421801451201834-1815802502034001521951601352038-18191002803057001782151801552038-183312532035611002522452101852238-185815036039411002722802402102438-2393200400457150034233529526526312-23160200457-39833529526526312-23180250533-49540535532030312-25240300610-58046041037530312-25390350688-62552047043534416-25510400762-72058052548536416-30750500914-84070565060844420-3411906001067-105080077071848520-4121007001245-115091084078850524-413000152.5130140130599565451624-142.5201401521306310575551624-143.5251501651607511585651624-145.43216518016095135100781824-185.84018019023095145110851834-188.4502002162301071601251002034-1811.4652202414001421801451202238-1818.0802502834001521951601352238-1822.81003203057001782301901602438-2339.612540038111002522702201882838-2569.615040040311002723002502183038-25102.0200502150034236031027834312-25192.0250568-49542537033236312-30288.0300648-58048543039040416-30469.0350762-62555049044844416-34587.0400838-72061055050548416-34863.0500991-884073066061052420-4113966001143-105084077071856520-4124157001346-115095578581560524-483450

主要尺寸和重量

公称通径DN
Nominal diameter公称压力PN(MPa)
Nominal pressureLWHDD1D2D6bff1z-d重量(kg)
Weight系列1
Series1系列2
Series2154.0130140130599565454016244-142.0201401521306310575555116244-144.2251501651607511585655816244-146.23218018016085135100786618244-187.54020019023095145110857618344-1810.5502202162301071601251008820344-1814.56525024140014218014512011022348-1823.58028028340015219516013512122348-1830.01003203057001782301901601502434.58-2355.012540038111002522702201881762834.58-2581.015040040315002723002502182043034.58-25118.0200550502-3983753202822603834.512-30244.0250568-4954453853453134234.512-34482300648-5805104504083644644.516-34615350762-625570510465422524516-34930400838-720655585535474584516-411100500991-840755670612576624520-4820306001143-1050890795730678625620-5428507001346-1150995900835768685624-544250156.41651305910575554118244-143.1201901306312590685120244-184.92521616075135100785822244-187.23222916085150110826624244-238.74024123095165125957624344-2312.0502922301071751351058826344-2316.76533040014220016013011028348-2328.28035640015221017014012130348-2336.01004327001782502001681503234.58-2566.012550811002822952402021763634.58-3098.015055915002723402802402043834.58-34142.0200660-3984053453002604434.512-34286.8250787-1454704003523134834.512-41540300838-5155304604123645444.516-41780350889-5505955254754226044.516-411000400991-615670585525474664516-4813005001194-810800705640576704520-5421006001397-845930820750678775620-5834007001700-1089500
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