螺旋閘門用于建材、冶金、礦山、電力、化工、玻璃、輕工、糧食等行業(yè)的庫頂、庫底及進出口等。是控制流量變化較大，啟動頻繁，切斷迅速的理想設備。

This valve is widely used at the   topbottom of store housecarry port in metallurgical, mining, building material, food, chemical industries etc. It is the ideal equipment to control a great changing flow, to openclose frequentlyto stop quickly.

螺旋閘門（插板閥）結構特點：