由于阀门使用的高频率，以及石英粉末的研磨特性，都要求耐磨性很高的阀门才经受得起。
The high cycle rate of the valves, and the abrasive nature of the quartz powder require an abrasion resistant valve that will last.
这种耐研磨和不生锈套管是阀门中唯一与锚链接触的部件，因此阀门的使用寿命就更长，对维护的需求也更少。
The abrasion-resistant and rustproof sleeve is the only part exposed to the chain and the process, which results in a long service life minimal maintenance requirements.
利用高精度研磨不锈钢空心浮球在阀腔内随着凝结水的液位变化开启或关闭阀门。
The drain valve is opened or closed by taking advantage of the change of liquid level of condensate water with the high-precision grinding stainless steel hollow float ball in the valve cavity.
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