Gravity ball check valves are converted to vent valves by replacing the standard ball with a floater ball and inverting the valve at installation-with seat up.
重力球形止回阀可以变为通风阀，只需用漂浮球体更换标准球体，然后在安装时将阀门倒置，使其阀座向上即可。
Swing-type check off er the least pressure drop and offer simple automatic closure; when fluid flow stops gravity and flow reversal closes valve.
旋启式止回阀压降最小，能够完全自动关闭，即在介质流动停止、重力和介质倒流的状态下自动关闭阀门。
The in-line spring-actuated lift check also is referred to as the "silent check" because the spring closes the valve before gravity and fluid reversal can slam the valve closed.
由于这种止回阀能够在重力和介质倒流撞击启闭件之前关闭阀门，因此这种直通弹簧驱动升降式止回阀也称为“静音”止回阀。
Single cylinder with imported balance valve for front support elevation hoist down by gravity low energy consumption.
单缸前支前幅，重力下降，能耗低，进口平衡阀。
When compared with other types of electromagnetic valve or gravity type valves, this coefficient value is low.
排风量增大，阻力系数亦减小，且和其他类型的电磁阀及重力阀相比，该阀门的阻力系数小。
Solidified water flows into balance jar upon itself gravity. Keeping certain water level in the jar through an automatic controlled discharge valve, which forms a water seal.
凝结水靠本身重力流入平衡罐，通过自动控制的排水阀，保持罐内的一定水位，形成水封。
Play great positioning pin ensures disc not because butterfly plate gravity drop, also can be installed in the valve stem end adjustment block to ensure that the butterfly plate fixed position.
弹赞定位销可保证蝶板不会因为蝶板重力作用下坠，还可在下阀杆端部设置调整块来保证蝶板位置固定。
ATO Co. provides the leading gravity foundry equipments and craft facing the world, those equipments are applying one after another to the domain of faucet, water meter, valve and so on.
欧拓公司面向全世界提供领先的重力铸造设备与工艺，这些设备正陆续应用于水龙头、水表、阀门等领域。
ATO Co. provides the leading gravity foundry equipments and craft facing the world, those equipments are applying one after another to the domain of faucet, water meter, valve and so on.
欧拓公司面向全世界提供领先的重力铸造设备与工艺，这些设备正陆续应用于水龙头、水表、阀门等领域。
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