The Hansen HK Two-Way Shut-Off Couplers - Female NPT End Connection Sockets are spring actuated valves in both socket and plug provide immediate seal against escape of gas or liquid.

The Hansen HK Two-Way Shut-Off Couplers - Female NPT End Connection Plugs are spring actuated valves in both socket and plug provide immediate seal against escape of gas or liquid.

The Amron International 18969-00 Oxygen Cleaned Quick Disconnect Socket is a fluid line fitting having a pipe, tube or hose connection or a through hole to accommodate a bolt on one end.

Avox 59853-00 Oxygen Cleaned Quick Disconnect Socket - Brass