According to the shape of gate, the gate can be divided into PZ flat plate and PGZ arch type. The specific selection can be determined according to the gate hole size, pressure head, opening and closing type, gate weight and other aspects.
According to the different combination of gate structure, the gate can be divided into integral type and assembled type. Small sized gates are generally made into integral type, but Gates at construction installation points with poor mechanical transportation conditions can also be made into assembly type to facilitate manual transportation. The gates of medium size and above can be made into assembled type.