When not linked - when the ferrule of the parent body moves to the other end, the stainless steel ball automatically rolls out, the child body is bounced off by the reaction force of the valve spring, and the valve can automatically close to block the flow of fluid.
When Linked - When the child is inserted into the side of the parent with the ferrule, the valve is opened causing fluid flow, the gasket is pushed back into place by the force of the spring, the stainless steel ball locks to ensure the child/female connection, the gasket inside Can completely block fluid leakage.
