It used for connect and disconnect and its max inlet pressure can reach 225 Psi. It complywith standards ISO 4414 and eliminates all leaks when coupled or uncoupled.SAFETY1 – Press button once:instantaneous pressure relief2 – Press button twice:instant disconnectionXHnotion S safety coupling incorporate a foolproof mechanical safety mechanism. They comply with standards ISO 4414NO LEAKAGEThe sealing mechanism is used in conjunction with plugs, eliminates all leaks when coupled or uncoupled.RELIABLEThe construction from shock-resistant composite materials, together with the metal insert, ensure long life and dependability.