Radial Sluice Gates for Dams and Hydropower Plants

JDCC manufactures custom radial sluice gates for dams, barrages, spillways, irrigation channels and flood-control projects.

What is a radial gate?
A radial gate is a hydraulic steel gate with an arched skin plate. Its supporting arms connect to trunnions mounted on the dam piers. When the hoist lifts the gate, it rotates around the trunnions and releases water smoothly from below. Because the resultant water pressure passes close to the trunnion axis, the required lifting force is much lower than that of a similar-size vertical-lift gate.

Key advantages
• Low lifting force and lower hoist capacity.
• No gate slots, reducing turbulence, jamming and cavitation risk.
• Suitable for long spans and fewer piers.
• Accurate and smooth flow control.
• Reliable rubber side and bottom seals.
• Long service life with heavy-duty corrosion protection.
• Hoist, hydraulic, electric and remote-control operation options.

Applications
Dam and reservoir spillways, hydropower intake and flood discharge, irrigation and water-conveyance channels, barrages and diversion dams, flood protection, drainage, water treatment and industrial water systems.

Manufacturing and quality control
Design calculations and 3D modelling, steel inspection, CNC cutting, rolling, certified welding, workshop preassembly, non-destructive testing, blast cleaning and protective coating, export packing, installation guidance and after-sales support.