... Oxygen Cylinder Valve 1. WP: 15MPa DN: 4mm 2. Medium O2, N2, Air 3. Outlet thread: G5/8-14-RH-EXT 4. ... customers.Type WP(MPa) Medium Outlet thread Inlet thread Safety deviceQF-2 15 O2,N2,Air G5/8-14-RH-INT ... .8 21±1.5MPa QF-4 15 O2,N2,Air G5/8-14-LH-INT PZ27.8No QF-5 ... 20 O2, N2, Air G5/8-14-RH-INT PZ27.8 21±1.5MPaQF ... -6 15 O2,N2,Air G5/8-14-RH-INTPZ27.8 21±1.5MPa ...