In the water conservancy project in the field of valve applications, cast iron gate is one of the important parts of hydraulic structures, which can be closed according to the needs of the building's openings, but also all or part of the opening hole for regulating the water level upstream and downstream Flow, thus gain flood, irrigation, water supply, power generation, navigation, over-raft and other benefits, cast iron gate can also be used to remove floats, sediment, ice, etc., or for the relevant buildings and equipment maintenance provided the necessary conditions . Cast iron gate is usually set in the intake and outlet water intake and outlet of throat to the throat, through the gate opening and closing flexible and reliable to play their functions and benefits and maintenance of building safety. Cast iron gate usually we are from the active part (also known as door leaf), buried parts and opening and closing machinery 3 parts. Doors include: load-bearing structure, walking support, arm, hinge, water stop, lifting lugs. Buried parts include: rail, hinge, water stop, corner and so on. Pump valve water intake and drainage projects are usually provided in some water control cast iron gate control for the need to adjust the control flow; pump inlet and some tunnels, culverts, inverted siphon inlet and outlet are generally provided with Sluice inspection, to repair hydraulic structures and pump sets of equipment to provide conditions; in the reservoir spillway or spillways are generally set flood discharge gate, used to control the reservoir water level and discharge to the downstream flood flow, maximize the reservoir The functional benefits. Cast iron gate is used to close and open vent (put) water channel control facilities. An important part of hydraulic structures that can be used to intercept water flow, control water level, regulate flow, discharge sediment and floating objects.
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