D973H/Y电动蝶阀

D973H/Y电动蝶阀产品概述
D973H电动弹性金属密封蝶阀采用一个“U”型不锈钢密封圈，该精密的弹性密封圈与经过抛光的蝶板三维偏心接触。解决了传统偏心蝶阀在启闭0°～10°瞬间密封面仍处于滑动接触摩擦的弊病,实现蝶板在开启瞬间密封面即分离,关闭接触即密封的效果,达到延长使用寿命、密封性能*的目的。因此被广泛地应用到介质温度≤550℃的冶金、电力、石油、化工、空气、煤气、可燃气体以及给排水等腐蚀性介质的管道上，是调节流量和截断流体的*装置。

D973H/Y电动蝶阀特点

1、该蝶阀结构简单、紧凑、重量轻、易于安装和拆卸、维修方便；
2、本蝶阀采用不锈钢“U”型密封圈，具有一定的弹性无论在高温、低温的情况下，它与蝶板均具有优良的密封性；
3、本蝶阀的三维偏心距，经过严格的计算，“U”型密封圈与蝶板几乎无磨擦，使用寿命长，并具有越关越紧的功能；
4、蝶板密封面采用堆焊钴基硬质合金，密封面耐磨损，使用寿命长；
5、本蝶阀结构*，“开关”仅需转动阀杆90°即可完成。操作灵活、方便、省力、不受介质压力的高低影响，密封性能可靠；
6、耐高温、耐低温、耐腐蚀性。

采用标准

设计标准 :GB/T12238-1989
法兰连接尺寸:
 GB/T9113.1-2000；GB/T9113.2-2000
 GB/T9115.1-2000；GB/T9115.2-2000
 结构长度:GB/T12221-1989
 压力试验:GB/T13927-1992；JB/T9092-1999
执行机构

类型：CH系列特点：
1.功能强劲:智能型、调节型、开关式。
2.体积小巧：体积仅相当于同类产品的35%左右。
3.使用方便：采用单相电源，接线简单；采用*的球型凸出结构，使观察更方便；免加油免点检、防水防锈、任意角度安装。
4.保护装置有双重限位、过热保护、过载保护。全行程时间15秒、30秒、45秒、60秒。及带手动功能。
5.智能数控：内置模块采用*计算机单片及智能控制软件直接接收计算机或工业仪表等输出的标准信号（4-20mA DC /1-5VDC）实现阀门开度的智能控制和精确定位。
也可选用3810系列或NA系列电子式角行程执行机构.亦可选用PSQ系列或DYR系列。≥DN 300口径阀门一般采用380VAC电动执行器。国内品牌如瑞基，澳托克，扬州电力，天二通，兰陵等；国外品牌有英国罗托克、法国伯纳德、德国瓯玛、德国西博思（西门子）等。

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