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1·Measuring valve spool with holes and gaps, valve hole diameter is 50?

测量阀孔和阀芯的配合间隙，阀孔直径为50 ？

2·Pneumatic valve works by rotating the valve spool to flow or occlusion.

气动球阀的工作原理是靠旋转阀芯来使阀门畅通或闭塞。

3·A proportional valve spool therefore has wider lands with notches cut into the edges.

比例阀阀芯具有比较宽的边缘带有槽口的台肩。

4·At present, hydraulic valve has the deficiency of inadequate interchangeability and machining difficulty of unsymmetrical valve spool.

目前，液压阀存在互换性差、不对称阀芯的设计加工困难等不足。

5·Nozzle; High quality'kerric'faucet, and its valve spool are used the international porcelain valve spool, its surface is coate with epoxy resin power.

水嘴： 采用“科艺牌”全铜质精铸成型实验室专用水龙头，阀芯采用国际通用的瓷阀芯，表面经环氧树脂粉沫喷涂处理。

6·By changing the balance valve spool of the flow area to adapt to the changes before and after the valve, so as to achieve the purpose of flow control.

通过改变平衡阀的阀芯的过流面积来适应阀门前后的变化，从而达到控制流量的目的。

7·Adjusting mechanism is the executive body converts the output of displacement control valve spool and valve seat area change between the flow of the device.

调节机构是将执行机构的输出位移变化转换为控制阀阀芯和阀座间流通面积变化的装置。

8·Spool valve is composed of valve spool and valve sleeve, and as the power stage of servo valve, it has a high degree of accuracy and is difficult for machining.

滑阀是由阀芯和阀套两部分组成，通常用作电液伺服阀的功率放大级，其精度要求高，加工难度大。

9·It can be concluded that cavitation of hydraulic cartridge cone valve is reduced by increasing the opening stroke and the outlet pressure and changing the geometrical structure of valve spool.

研究表明：增大阀口开度，增大出口压力，并对阀芯结构进行修改后，插装型液压锥阀阀口气穴现象均可有效减弱。

10·Check valve and butterfly valve combinations are very popular; normally a short spool piece is required between the valves.

止回阀与蝶阀的连接是经常发生的事，通常需要在这两种阀门之间加上一节短短的阀槽。