It was very difficult for high cr cast Fe hollow ball valve in investment casting due to its internal hollow and full close as well as high crack susceptibility.
高铬铸铁空心球阀的精密铸造难度较大，球阀内部必须空心、全封闭，同时高铬铸铁的裂纹敏感性极强。
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.
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。
应用推荐