Screw-type hand-held two-way opening and closing machines are available in specifications of 3 tons, 5 tons, 8 tons, 10 tons, 12 tons, 15 tons, 20 tons, 30 tons, 40 tons, 50 tons, and 60 tons. Custom-made double-hoist models can also be produced based on the user's hydraulic engineering design requirements. This machine is a type of hydraulic engineering equipment widely used for the opening and closing of gates in water conservancy and hydropower projects. It is a配套 equipment for water intake and drainage gates in irrigation, aquaculture, agricultural economic development zones, wastewater treatment plants, hydropower stations, reservoirs, rivers (including sluices, embankments, canals, culverts, pipelines), and can be used in mountainous, flat, and both populated and unpopulated areas.































