Stainless steel pneumatic flange ball valve works by rotating valve love to make the valve flow or occlusion.
不锈钢气动法兰球阀的工作原理是靠旋转阀恋来使阀门畅通或闭塞。
2
Many flange for rotating: circular flange and square flange.
多种法兰可供选转：圆型法兰和方型法兰；
3
This paper introduces a new kind of evaporators in which a self-rotating spiral and a driving wheel with spiral flange are installed in heating chamber.