Catalog Welding Gas Equipment Gas Regulators & Flowmeters Gas regulators control the pressure of gas. Gas flowmeters control gas flow, while flowmeter regulators control both gas flow and pressure. Gas switchover systems provide a continuous flow of gas to an application. ◀◀ ◀ ▶ ▶▶ Oxygen Single Stage Regulator: Single Stage, CGA 510 Inlet, 9/16"-18 LH Outlet, 15 psig High Pressure Gas Regulator: Single Stage, CGA 680 Inlet, 1/8 in Tube Outlet High Purity Gas Regulator: Single Stage, CGA 350 Inlet, 1/8 in Tube Outlet, 150 psig Specialty Gas Regulator: Single Stage, CGA 540 Inlet, 1/4 in NPT M Outlet, 50 psig, Oxygen High Purity Gas Regulator: Two Stage, CGA 580 Inlet, 1/4 in Tube Outlet, 250 psig Light/Medium Duty Oxygene Regulator A-Conn/CGA540: Single Stage, CGA 540 Inlet, 60 psig High Purity Gas Regulator: Single Stage, CGA 330 Inlet, 1/4 in Tube Outlet, 125 psig High Purity Gas Regulator: Single Stage, CGA 580 Inlet, 1/8 in Tube Outlet, 150 psig High Purity Gas Regulator: Single Stage, 1/4 in NPT F Inlet, 1/4 in NPT F Outlet Specialty Gas Regulator: Two Stage, CGA 320 Inlet, 1/4 in NPT M Outlet, 50 psig High Purity Gas Regulator: Single Stage, CGA 330 Inlet, 1/4 in Tube Outlet, 15 psig Oxygen Regulator: Single Stage, CGA 540 Inlet, 3/8"-24 M RH Outlet, 60 psig, Oxygen Gas Regulator: Two Stage, CGA 580 Inlet, 7/8"-14 M RH Outlet, 200 psig Specialty Gas Regulator: Two Stage, CGA 320 Inlet, 1/4 in NPT M Outlet, 250 psig Gas Regulator: Single Stage, CGA 510 Inlet, 9/16"-18 M LH/RH Outlet High Purity Gas Regulator: Single Stage, CGA 320 Inlet, 1/8 in Tube Outlet, 150 psig High Purity Gas Regulator: Single Stage, CGA 580 Inlet, 1/4 in Tube Outlet, 50 psig High Purity Gas Regulator: Single Stage, CGA 350 Inlet, 1/4 in NPT F Outlet, 150 psig Gas Regulator: Two Stage, CGA 510 Inlet, 9/16"-18 M LH Outlet, 15 psig, Neoprene Diaphragm Gas Regulator: Single Stage, CGA 540 Inlet, 9/16"-18 M RH Outlet, 125 psig, Oxygen ◀◀ ◀ ▶ ▶▶