The weir gate manufactured by Dongin Co.,Ltd. is available for operation in the manual/moto-operated/remote system, and it is installed & operated for in-ground water level control, such as a comparatively narrow tributary river, or reservoir, dead-end part of rainfaill drainage box, and rainfall storage facility, etc.; also, in case of a need for additional land-locked water, this weir gate makes it possible to stably regulate the water level by simply regulating top and bottom using the reserve floodgate mounted in the main body of the existing weir gate even without an additional facility construction.

· It consists of manual/automatic actuator, rotation axis, and wire rope, so equipment manufacturing costs less.
· The gate is opened and shut when plural couplings stably transfer power through the rotation axis.
· Every axis is installed with a coupling, so it’s available for partial maintenance.
· Through the reserve floodgate available for height adjustment, this gate stably regulates flux and water level without additional re-construction.