新疆福彩18选7走势图

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抽气止回阀三个特点的介绍

发布时间:2016-11-15 关注次数:

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抽气止回阀

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新疆福彩18选7走势图CHOUQIZHIHUIFASANGETEDIANDEJIESHAO

1、密封面堆焊Crl3系不锈钢或钴基硬质合金,有良好的耐磨性,密封性能稳定可靠。
2、当介质正向流动时,气缸下腔进气,与重锤共同作用,使阀瓣平衡地处在全开位置。当介质反向流动时,气缸活塞下腔
迅速泄压,阀瓣在0.5秒内快速关阀。
3、重锤通过加长杆和拨叉作用于销轴,用以平衡和摇杆的重力矩,防止水锤现象的发生。当介质正向流动时,有助于打开阀
门,并在运行中保持阀门的平稳和减少振动。