Oxygen Flowmeter----CWA brand: CWAX-C Gas Type: Oxygen Input Pressure: 150bar, 315bar (optional) Output Pressure: 2bar-3bar Oxygen Flowmeter----CWA brand:Model: CWAX-CGas Type: OxygenInput Pressure: 150bar, 315bar (optional)Output Pressure: 2bar-3barControl Pressure of Safety Valve: 3.5bar±0.5barFlow Control range: 1-10L/min, 1-15L/min (optional)Connecting Thread: G5/8, CGA540, CGA870, DIN477, ...