The coupling of the eSafe series 320 is an easy-to-use high-performance coupling with a long service life, it is a safety coupling that can be operated with one hand, which releases the pressure before decoupling, so that there is no risk of hose kickback are provided with a thread seal at the factory, the couplings have smaller external dimensions than comparable designs, the fully automatic process simplifies operation, the eSafe design complies with ISO standard 4414 and EN 983