锻钢阀门

Electric Butterfly information Electric butterfly valve switching and intelligent two, butterfly valve and actuator package DSR input control signal (4 ~ 20mADC or 1 ~ 5VDC) and single-phase power can control the operation, with powerful functions intelligent electromagnetic flow meter, the volume Small, light and pleasant, reliable, simple package, a large flow capacity of, V cone flowmeter is particularly suited to medium thick, containing particles, fibrous nature of the occasion. The valve now widely used in food, environmental protection, light industry, petroleum, paper, chemicals, teaching and research equipment, and electric power industries of industrial automation systems. 1, Electric Butterfly Valve --- Nominal Diameter :50-1200mm Nominal pressure: PN1.0, 1.6,2.5 MPa Connection: Flanged according to JB/T78-59 JB79-59 wafer-type flange Material: HT200 ZG25I ZG1Cr18Ni9 ZG0Cr17Ni12Mo2 PTFE lined metal seal Medium temperature: ambient temperature: -20 º C ~ +200 º C cooling type: -40 º C ~ +450 º C Second, electric butterfly valve components --- Plug Type: Valve Plate Flow characteristics: equal percentage or linear characteristic features Material: HT200 ZG25I 1Cr18Ni9Ti rubber lining PTFE lining Third, the electric actuator butterfly valve --- Type: optional QS series, 3810, DSR series of electronic rotary actuators. 原文来自： http://www.google.com.hk/news

原文：Electric Butterfly information

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电动蝶阀资料
电动蝶阀有开关型和智能型二种，蝶阀与DSR执行机构配套，输入控制信号（4~20mADC或1~5VDC）及单相电源即可控制运转，智能电磁流量计具有功能强、体积小、轻便宜人，性能可靠、配套简单、流通能力大， V锥流量计特别是适合于介质是粘稠、含颗粒、纤维性质的场合。目前该阀门广泛应用于食品、环保、轻工、石油、造纸、化工、教学和科研设备、电力等行业的工业自动控制系统中。 一、电动蝶阀---阀体 公称通径：50－1200mm 公称压力：PN1.0，1.6，2.5MPa 连接形式：法兰式按JB/T78－59 JB79－59对夹式法兰连接 材 料：HT200 ZG25I ZG1Cr18Ni9 ZG0Cr17Ni12Mo2 衬四氟 金属硬密封 介质温度：常温型：-20ºC～+200ºC 散热型：-40ºC～+450ºC 二、电动蝶阀---阀内组件 阀芯形式：阀板 流量特性：直线特性或等百分比特性 材 料：HT200 ZG25I 1Cr18Ni9Ti衬橡胶衬四氟乙烯 三、电动蝶阀---执行机构 类型：可选用QS系列、3810、DSR系列电子式角行程执行机构。