spherical valve

The balanced valve with low shearing force comes from the reform of spherical valve and control valve, and it combines with both merits of them and proposes the technical process of polymer drive.

平衡式低剪切调节阀是在原球阀和调节阀的基础上改进，结合两种阀门的优点提出了聚合物驱油工艺流程。

In order to select a proper piezoelectricity valve for the gas injecting system on Sino UNIted Spherical Tokamak ( SUNIST), we have tested the gas injecting rate and pulse response of NS valve ( made in China) and VEECO valve ( made in USA).

为了给中国联合球形托卡马克装置（SUNIST）的充气系统选择合适的压电阀，我们对国产NS型压电阀和美国的VEECO压电阀进行了送气率和脉冲送气特性的测试。

According to Bernoulli equation and the principle of balance of force, the weight of spherical valve core for pulp check valve and the raising height of the valve core was designed and calculated, the structure characteristic of the check valve was analyzed.

依据伯努利方程和力的平衡原理，设计计算了矿浆止回阀球形阀瓣的质量和抬起高度等参数，分析了该止回阀的结构特点。

The valve is opens by the spherical achievement shuts a valve.

球阀是以球状件作为启闭件的阀门.

The working principle of eccentric rotation of the fan is a ball valve, the use of eccentric spherical tangent and the valve seat to open, the ball core from the valve seat;

其工作原理就是一个偏心转动的扇形球阀，利用偏心球冠与阀座相切，打开时，球芯脱离阀座；