ZSCW气动三偏心调节蝶阀，ZSRW、ZSCW气动活塞调节蝶阀输入控制信号（4-20mADC或1-5VDC）气源即可控制运转，结构简单紧凑，加工方便，易制成大口径，具有自清洗作用，阻力系数小，流通能力大。适用于悬浮颗粒的流体及浓、浊浆状流体的调节。干净介质，可选用阀板加软密封（橡胶圈、四氟圈）来减少泄漏（可达0.01%），高温高压工况可选用三偏心硬密封阀体。订货时要予以注明即可。ZSCW气动三偏心调节蝶阀调节机构主要技术参数公称通径mm50801001251502002503003504004505006007008009001000额定流量系数Kv8522034053077013602130306041605450690085001220016600217002754034000公称压力MPa0.6额定转角°70信号压力KPa20～100流量特性近似等百分比介质温度℃-20～200(常温)；-40～450(中温)；-40～600(高温)接管法兰按JB78-59对夹式法兰连接信号连接螺孔M16×1.5配用执行机构薄膜式ZMA-2ZMA-3ZMA-4ZMA-5活塞式ZSC-45阀体材质ZG230-450；1Cr18Ni9；ZG1Cr18Ni9Ti、ZGOCr18Ni12Mo2Ti可配附件手轮、定位器、空气过滤减压器等。ZSCW气动三偏心调节蝶阀执行机构主要技术参数型号ZMA-2ZMA-3ZMA-4ZMA-5有效面积cm22804006301000行程mm16254060弹簧范围KPa20～100；40～200；20～60；60～100ZSCW气动三偏心调节蝶阀执行机构主要技术参数型号活塞直径mm有效面积cm2最大行程mm最大操作压力KPa最大输出力NZSC-452504846050021800允许压差MPa配用执行机构型号ZMA-2ZMA-3ZMA-4ZMA-5ZSC-450°70°0°70°0°70°0°70°0°70°公称通径mm500.60.097(0.22)800.60.038(0.086)1000.556(0.6)0.0196(0.0445)1250.60.0250(0.0542)1500.444(0.6)0.0150(0.0314)2000.185(0.407)0.00587(0.0129)2500.331(0.6)0.00845(0.0175)3000.181(0.385)0.00461(0.00983)3500.133(0.284)0.00292(0.00622)4000.216(0.45)0.00485(0.0101)4500.171(0.356)0.00341(0.00741)5000.139(0.289)0.0025(0.0052)6000.60.0197000.60.01198000.4420.007959000.3390.0059910000.2360.00403注：括号内数值为带定位器的允许压差。ZSCW气动三偏心调节蝶阀性能指标执行机构薄膜式执行机构活塞式执行机构类别不带定位器带定位器带定位器弹簧范围KPa20～10040～20020～6060～100项目基本误差%±8-±2.0±2.0回差%6-2.02.0死区%5-0.80.8始终点偏差%气开始点±4.0±4.0±2.0±终点±8±8气关始点±8±8终点±4.0±4.0额定转角偏差%±2.5允许泄漏量1/h2×10-2×阀的额定容量ZSCW气动三偏心调节蝶阀ZSCW气动三偏心调节蝶阀外形尺寸公称通径D1D2L1L2n-dHH1H2DL3法兰端面距50110922004-146375823822802786080150125922004-186445823822802781001751451022106542802781252001751172348-187236364363252781502252001302477363252782002802551722877633252787025033531019732712-18100885361541037630039536222735112-23103441037680350445412252376105941037640049546229643216-23123810077204953761004505505183214591266495376500600568346484129149537660070575548056520-251486110979618015070081086053061524-25153918080092097559567524-3015961802009001020107568577024-301661112418010001120117573581028-3017111124180200ZSRW、ZSCW气动活塞调节蝶阀公称通径DN结构长度(标准值)连接尺寸LHH1PN0.6MPaPN1.0MPa毫米英寸法兰式对夹式DD1Z-dDD2Z-d502108431004001401104--141651254--186521/2112461154201601304--141851454--18803114491201381901504--182001608-181004127561305242101704--182201808-181255140641505702402008-182502108-181506140701707432652258-182852408-222008152762007673202808-183402958-22250101657623579037533512-1839535012-22300121788330089044039512-2244540012-22350141909232595449044516-2250546016-2240016216102355107054049516-2256551516-2645018222114390114059555020-2261556520-2650020229127420120064560020-2667062020-2660024267154490138075570524--2678072520-3070028292165550158086081024--3089584024--3080032318190640176097592024--30101595024--339003633020371010751020)