The Emergency Shut Valve is ingeniously engineered to be seated at the bottom of the tanker, ensuring that the top parts remain securely sealed within the tanker.Featuring an innovative external shear groove design, it effectively limits product spillage. In the unfortunate event of a tanker crash, this advanced groove mechanism activates, autonomously sealing itself to prevent leakage, all without compromising the tanker's sealing integrity. This cutting-edge safety feature ensures that even in the most challenging scenarios, such as overturns, the risk of spillage is minimized, providing unparalleled safety during transportation. This remarkable product is versatile, compatible with water, diesel, gasoline, kerosene, and other light fuels.