调节阀 介绍

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调节阀用于调节介质的流量、压力和液位。调节阀根据调节部位信号,调节阀自动控制阀门的开度,调节阀从而达到介质流量、压力和液位的调节。调节阀分电动调节阀、气动调节阀和液动调节阀等。调节阀本手册主要介绍电动调节阀和气动调节阀两种。调节阀由电动执行机构或气动执行机构和调节阀两部分组成。调节阀并通常分为直通单座式和直通双座式两种,调节阀后者具有流通能力大、不平衡办小和操作稳定的特点,调节阀通常特别适用于大流量、高压降和泄漏少的场合。

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