This Hex manifold will work for oxygen or fuel connections and has 7 ports.  If using for oxygen, part number EQ111 screws into the manifold.  If using for fuel, part number EQ112 screws into manifold.  These parts (EQ111 and EQ112) have pipe threads on one end and "B" size threads on the other.  This allows a standard "B" size hose to be screwed to the manifold.  In addition, if you are not using all of the ports you can use part number EQ118 as a cap.

Y Connector For Fuel Gas, Standard "B" Size Fittings Part # E32 Price: $18.34 Y Connector For Oxygen With Closure Valves Part # E33 Price: $26.94 Y Connector For Fuel Gas With Closure Valves Part # E39 Price: $26.94