The dark rod elastic seat sealing gate valve uses the overall glue coating of the gate valve to produce deformation compensation to achieve a good sealing effect, overcoming the phenomenon of poor sealing, leakage and rust of the general gate valve, and saving installation space more effectively. This dark rod elastic seat gate valve can be widely used in tap water, sewage, construction, petroleum, chemical, food, medicine, textile], electric power, shipbuilding, metallurgy, energy system and other fluid pipelines as a regulating and shut-off device.