Argon Flowmeter Regulator, CGA 580

Combination Flowmeter and Regulator In One Unit, 4000 PSI/Kg/cm2. Self-Centering Flow Tube Keeps Ball Centered To Assure Flow Accuracy. Easy-To-Read 1.5-Inch Contents Gauge with Rubber Gauge Protector. Pressure Relief Safety Device, Solid Brass Body and Fittings.