双口排气阀QB2
双口排气阀QB2

QB2双口排气阀QB2

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2022-03-20 12:10:02
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郑州森玛自控阀门有限公司

郑州森玛自控阀门有限公司

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双口排气阀QB2当管内开始注水时,塞头停留在开启位置,进行大量排气,当空气排完时,阀内积水,浮球被浮起,传动塞头至关闭位置,停止大量排气,当管内水正常输送时,如有小量空气聚集在阀内到相当程度,阀内水位下降,浮球随之下降,此时空气由小孔排出,当抽水机停止,管内水流空时或遇管内产生负压时,此时塞头迅速开启,吸入空气,确保管线*。

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