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"蝶阀是用圆形阀板作启闭件并随阀杆转动来开启、关闭和调节流体通道的一种阀门,蝶阀的阀板安装于管道的直径方向。在蝶阀阀体圆柱形通道内,圆盘形阀板绕着轴线旋转,旋转角度为0° ~90°之间,旋转到90°时,阀门则为全开状态。
蝶阀驱动部分可以根据现场工况和客户需求选择手动(蜗轮、手柄),气动(气动推杆、气动调节),电动(电动执行器)等形式。角式自动调节蝶阀,普通适用于建材、矿山、电力、冶金等行业的通风,环保工程管道系统中与电动执行器或气动执行器相配套,可实现手动,自动控制无干扰切换,微机程控,是调节流量的理想设备。"
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