电动偏心半球阀概述

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1、电动偏心半球阀概述：电动偏心半球阀利用偏心阀体，偏心球体和阀座，阀杆作旋转运动时在共同轨迹自动定心，关闭过程中越关越紧，完全达到良好的密封目的。阀门的球体和阀座完全脱离，消除了密封圈的磨损，克服了传统球体阀座与球体密封面始终磨损的问题，非金属弹性材料被嵌入金属座中，阀座金属面受到良好的保护。电动偏心半球阀特别适用于钢铁业，铝业，纤维，微小固体颗粒，纸浆，煤灰，石油气等介质。主要材料序号名称代号材料WCB304CF8316CF8M1阀体 WCBZG230-4500Cr18Ni90Cr18Ni12Mo2Ti2下端盖 Q235-A1Cr18Ni9Ti0Cr18Ni12Mo2Ti3内六角圆柱头螺钉

2、GB/T70-2000Q235-A1Cr17Ni20Cr18Ni12Mo2Ti4下固定轴调节螺栓 Q235-A1Cr17Ni21Cr17Ni25六角螺母GB/T6710-2000Q235-A1Cr17Ni21Cr17Ni26下垫片 不锈钢柔性石墨；PTFE；316夹柔性石墨7下轴承 0Cr18Ni9Ti0Cr18Ni9Ti0Cr18Ni12Mo2Ti8下固定轴 2Cr133040Cr18Ni12Mo2Ti9球体 ZG2Cr130Cr18Ni90Cr18Ni12Mo2Ti10阀座压圈 Q225-A1Cr18Ni9Ti0Cr18Ni12Mo2Ti11阀座 Q225-APTFE/1Cr18Ni1

3、2Mo2TiPTFE/1Cr18Ni12Mo2Ti12内六角圆柱头螺钉GB/T70-2000Q235-A1Cr17Ni21Cr17Ni213阀座垫片 不锈钢柔性石墨1Cr17Ni20Cr18Ni12Mo2Ti14阀杆 2Cr131Cr18Ni9Ti0Cr18Ni12Mo2Ti15上轴承 0Cr18Ni9Ti0Cr18Ni9Ti0Cr18Ni12Mo2Ti16对开圆环 1Cr18Ni9Ti1Cr18Ni9Ti1Cr18Ni9Ti17定位圈 1Cr131Cr18Ni9Ti1Cr18Ni9Ti18填料 柔性石墨柔性石墨；PTFE柔性石墨；PTFE19六角螺塞垫片 0Cr18Ni9Ti0Cr18N

4、i9Ti0Cr18Ni9Ti20六角螺塞 2Cr131Cr17Ni21Cr17Ni221六角螺塞 2Cr131Cr17Ni21Cr17Ni222支架 WCBZG230-450WCB；304WCB；30423双头螺栓GB/T901-198835CrMoA1Cr17Ni21Cr17Ni224六角螺母GB/T6170-2000Q245-A0Cr18Ni90Cr18Ni925填料压套 1Cr131Cr18Ni12Mo2Ti/1Cr18Ni91Cr18Ni12Mo2Ti/1Cr18Ni926填料压板 WCB0Cr18Ni90Cr18Ni927双头螺栓GB/T901-198835CrMoA1Cr17N

5、i21Cr17Ni228六角螺母GB/T6170-2000Q245-A0Cr18Ni0Cr18Ni29六角螺栓GB/T5783-200Q235-A1Cr17Ni21Cr17Ni230驱动装置    31 0Cr18Ni9Ti0Cr18Ni9Ti0Cr18Ni9Ti六角螺塞垫片32六角螺塞 2Cr130Cr18Ni9Ti0Cr18Ni9Ti性能范围材料性能材料代号WCB304316304L316L321ZG2300Cr18Ni9（CF8）1Cr18Ni12Mo2Ti（CF8M）00Cr18Ni10（CF3）00Cr17Ni14Mo2（CF3M）ZG7Cr18Ni9T（F347）适用介质水、油

6、品、蒸汽硝酸类醋酸类强氧化介质尿素等腐蚀介质硝酸类测试范围Mpa项目公称压力壳体压力试验密封测试上密封测试低压密封测试探伤测试试验介质水Mpa水Mpa水Mpa气MpaGB/T6440-1992时间（S）12060600.5~0.6压力测试1.0Mpa1.51.11.1 1.6Mpa2.41.761.76 2.5Mpa3.752.752.75主要连接尺寸公称压力PN/Mpa公称通径DN/mm尺寸（mm）LDKdfCZ-￠dH1.640165150110853164-￠18 50178165125100 651901851451201828080203200160135208-￠1832010

7、022922018015537012525425021018522430150267285240210248-￠235102002923402952652612￠-236002503304053553203012-￠2669030050246041037547603505725204704353416-￠268304006105805254853616-￠309254506606405855454020-￠3010255