G Series of quick-sealing connectors, includingG70/G90And other product series, specially used to test the quick sealing of product cooling water pipes, oil circuits, gas circuits and other nozzles. Conventional includes some flange nozzles,J2044Nozzle, groove tube andVDASpecifications, etc. One end is connected to the automatic male of the male (tray end) of the gas-electro-hydraulic docking system, and the other end is connected to the cooling port of the test product to complete the quick connection of the gas-liquid pipeline.