Sealing type air chucks employ a 'check valve' which seals the chuck, closing the air passage while it is not being used, and when used, it will open the core on the tyre valve allowing the pressure from the hose to be transferred to the tyre. [...]
Chuck – Hold On – Dual Angle – Sealing
Sealing type air chucks employ a 'check valve' which seals the chuck, closing the air passage while it is not being used, and when used, it will open the core on the tyre valve allowing the pressure from the hose to be transferred to the tyre. [...]
