Can be divided into four types 1. channel type, used in the middle of the channel, three-way sealing
2.Wall type:used in inlet and outlet of wall for open or close,four way seal
3.Adjusting type: for adjusting the size of the water flow 4. Weir type:for adjusting water level. The sluice gate valve is corrosion resistant, has good sealing performance, long life and easy maintenance.