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Single Stage Regulator (344)

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Delivery Rate
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0 - 15 psig (36)

5 - 125 psig (32)

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0 - 15 psig (Acetylene) (1)

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0 - 250 psig (1)

Outlet Connection
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5/8" - 18 RH (Female) (61)

1/4" NPT (Female) (40)

5/8" - 18 (RH Female) (39)

9/16" - 18 (RH Male) (38)

9/16" - 18 LH (38)

9/16" - 18 RH (Male) (34)

9/16" - 18 (LH Male) (33)

9/16" - 18 LH (Male) (28)

1/4" Swaglok® (Female) (17)

CGA-032 (15)

1/2" NPT (Female) (12)

1/4 in NPT (Female) (12)

5/8" - 15 Flare (RH) (11)

9/16-18 LH "B" (10)

1/4" NPT (7)

1" - 11 1/2 NPS (Female) (5)

5/8" - 18 (LH Female) (5)

9/16" - 18 RH (Female) (5)

1/4 NPT (Male) (4)

1/4" - 37° Flare (Male) (4)

1/4" - 37° Flare" (4)

5/8" - 18" (RH Female) (4)

9/16" - 18 (Male) (4)

9/16" - 18 RH (4)

CGA 032 (4)

CGA-023 (4)

1.00 - 11.5 NPS LH (Female) (3)

1/4" NPT (Male) (3)

3/4" NPT (Female) (3)

3/8" NPT (Male) (3)

5/8" - 18 (Female) (3)

5/8" - 18 RH (Male) (3)

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7/8" - 14 (Male) (3)

9/16" - 18 (LH) (3)

B 9/16" - 18 LH (Male) (3)

1" - 11 1/2 NPS (Female)" (2)

1.00 - 11.5 NPS RH (Female) (2)

1/4 NPT (2)

1/4 NPT (Female) (2)

1/4" - 37 Flare (Male) (2)

1/4" 45 Flare SAE CGA 165 (2)

1/4" FNPT (2)

3/4" NPT (2)

3/8" - 24 (LH Male) (2)

5/8" - 18 (RH Female)" (2)

5/8" - 18 (RH Male) (2)

5/8" - 18RH (Female) (2)

5/8" - 20 UNF(Male) (2)

5/8"-18 UNF (2)

5/8"-18RH (Female) (2)

7/8" - 14 (RH Male) (2)

9/16" - 18 UNF (RH Male) (2)

9/16" - 18" (RH Male) (2)

A 3/8" - 24 LH (Male) (2)

CGA - 032 (2)

1" - 11 1/2 NPS" (Female) (1)

1" - 11.5 NPS" (Female) (1)

1/4 in. SAE Flare (1)

1/4" (Female) (1)

1/4" - 37 Flare (1)

1/4" Flare (Male) (1)

1/4" Male SAE Flair (1)

1/4" NPT (Female)" (1)

1/4" NPT (RH Male) (1)

1/4" Swaglok type (1)

1/4" Swaglok type" (1)

1/4" Swaglok® (1)

1/4" Swaglok®" (1)

1/8" NPT (Female) (1)

3/4" NPT (Female)" (1)

3/8" - 24 (Male) (1)

5/8 in. (15 RH Female) (1)

5/8" - 18 RH (1)

5/8" - 18 UNF (Female) (1)

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7/8" - 14 RH (1)

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7/8-14 RH "C" (1)

9/16" - 18 (Female) (1)

9/16" - 18 (LH Female) for Acetylene" (1)

9/16" - 18 (RH Male) for Oxygen (1)

9/16" - 18 (RH)" (1)

9/16" - 18 UNF (LH Male) (1)

9/16" - 18" (1)

9/16" - 18" (Male) (1)

9/16" -18 RH (Male) (1)

A 3/8" - 24 RH (Male) (1)

B 9/16" - 18 RH (Male) (1)

CGA - 996 (1)

CGA 021A (1)

CGA 022 (1)

CGA 997 (1)

CGA-022 (1)

CGA-032 (Female) (1)

CGA-320 (1)

CGA-510LP (1)

Needle valve w/ 1/4" NPT (Female) (1)

Inlet Connection
Choose a refinement:

CGA - 580 (60)

CGA-580 (58)

CGA - 510 (32)

CGA - 540 (30)

CGA-540 (30)

1/4" NPT (Female) (23)

CGA - 320 (21)

CGA-320 (21)

CGA-510 (16)

1/4" NPT (15)

CGA - 250 (12)

CGA - 350 (12)

CGA - 300 (10)

CGA - 500 (10)

CGA-300 (8)

CGA - 346 (7)

CGA-350 (7)

CGA-680 (7)

CGA - 680 (6)

CGA-346 (6)

9/16" - 18 (Female) (5)

CGA - 347 (5)

CGA-025 (5)

CGA-870 (5)

CGA - 996 (4)

CGA-510-P (4)

1.00 - 11.5 NPS LH (Male) (3)

1/4" NPT (Male) (3)

7/8" - 14 LH (Female) - 025 (3)

7/8" - 14 RH (Female) - 024 (3)

CGA - 025 (3)

CGA - 590 (3)

CGA - 750 (3)

CGA-024 (3)

1.00 - 11.5 NPS RH (Male) (2)

1/4 NPT (2)

1/4" NPT (Female)" (2)

5/8" NPT (Male) (2)

7/8" - 14 RH (Male) - 034 (2)

CGA - 030 (2)

CGA - 032 (2)

CGA - 200 (2)

CGA - 520 (2)

CGA - 677 (2)

CGA 320 (2)

CGA-034 (2)

CGA-520-B (2)

CGA-677 (2)

CGA-996 (2)

1" - 11 1/2 NPS (Male)" (1)

1/2" NPT (Female) (1)

1/4" - 18 NPT (1)

1/8" NPT (Female) (1)

5/8" - 18 (Male) (1)

5/8" - 18RH (Female) (1)

7/8" - 14 LH (Female) 025 (1)

7/8" - 14 RH (Female) 024 (1)

7/8" - 14 RH (Male) 034 (1)

CGA - 200 (Rear inlet) (1)

CGA - 200 Rear (1)

CGA - 200R (1)

CGA - 246 (1)

CGA - 300 and CGA - 540 (1)

CGA - 410 (1)

CGA - 510 and CGA - 540 (1)

CGA - 510LP (1)

CGA - 520R (1)

CGA - 555 (1)

CGA - 600 (1)

CGA - 966 (1)

CGA - 992 (1)

CGA - 993 (1)

CGA - 997 (1)

CGA -320 (1)

CGA 510A (1)

CGA-200 (1)

CGA-200-A (1)

CGA-200-B (1)

CGA-200-MC (1)

CGA-347 (1)

CGA-510-B (1)

CGA-520 (1)

CGA-520-A (1)

CGA-540-A (1)

CGA-540-B (1)

CGA-590 (1)

CGA-600 (1)

CGA-601 (1)

CGA-997 (1)

GCA - 540 (Rear Inlet) (1)

No Inlet and Gauges (1)

Get the complete oxy-fuel cutting or welding set up

Victor^® regulators, flowmeters, torches & outfits

Get the complete oxy-fuel cutting or welding set up

Victor^® regulators, flowmeters, torches & outfits

Industrial Gas Regulators

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Industrial Gas Regulators

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VIC0781-3574

Victor® Medium Duty Carbon Dioxide Two Stage Regulator, CGA - 320

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Victor® Medium Duty Carbon Dioxide Two Stage Regulator, CGA - 320

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Airgas Part #:VIC0781-3574

HCL3003514

Harris® Model 3500-50PSI-CGA510P High Pressure/High Flow Cylinder Liquid Petroleum Gases/Propane Single Stage Regulator, CGA-510-P

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Harris® Model 3500-50PSI-CGA510P High Pressure/High Flow Cylinder Liquid Petroleum Gases/Propane Single Stage Regulator, CGA-510-P

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Airgas Part #:HCL3003514

VIC0781-1425

Victor® Heavy Duty/High Capacity Oxygen Single Stage Regulator, CGA - 540

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Victor® Heavy Duty/High Capacity Oxygen Single Stage Regulator, CGA - 540

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Airgas Part #:VIC0781-1425

VIC0781-3614

Victor® Heavy Duty/High Capacity Air Single Stage Regulator, CGA - 590

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Victor® Heavy Duty/High Capacity Air Single Stage Regulator, CGA - 590

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Airgas Part #:VIC0781-3614

MIL22-80-320

Miller® Heavy Duty CO2 Flowmeter Regulator, CGA-320

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Miller® Heavy Duty CO2 Flowmeter Regulator, CGA-320

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Airgas Part #:MIL22-80-320

VIC0781-1404

Victor® Heavy Duty/High Capacity Hydrogen, Methane Single Stage Regulator, CGA - 350

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Victor® Heavy Duty/High Capacity Hydrogen, Methane Single Stage Regulator, CGA - 350

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Airgas Part #:VIC0781-1404

HCL3002495

Harris® Model 450-50-510P Heavy Duty LPG, C3H8 Single Stage Regulator, CGA-510-P

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Harris® Model 450-50-510P Heavy Duty LPG, C3H8 Single Stage Regulator, CGA-510-P

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Airgas Part #:HCL3002495

VIC0781-0061

Victor® Medium Duty Medical Oxygen Single Stage Regulator, CGA - 300

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Victor® Medium Duty Medical Oxygen Single Stage Regulator, CGA - 300

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Airgas Part #:VIC0781-0061

VIC0781-5182

Victor® Extra High Capacity Inert Gas Single Stage Regulator, CGA - 580

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Victor® Extra High Capacity Inert Gas Single Stage Regulator, CGA - 580

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Airgas Part #:VIC0781-5182

HCL4000820

Harris® Model 247-50-1/4" L Heavy Duty Fuel Gases Single Stage Regulator, 1/4" NPT (Female)

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Harris® Model 247-50-1/4" L Heavy Duty Fuel Gases Single Stage Regulator, 1/4" NPT (Female)

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Airgas Part #:HCL4000820

MIL22-80-580-6

Miller® Heavy Duty Argon And CO2 Flowmeter Regulator, CGA-580

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Miller® Heavy Duty Argon And CO2 Flowmeter Regulator, CGA-580

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Airgas Part #:MIL22-80-580-6

HCL5400618

Harris® Model 55-2AR/CD100 5/8-18 Heavy Duty Ar/CO2 Mix Flowmeter Regulator, 5/8" NPT (Male)

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Harris® Model 55-2AR/CD100 5/8-18 Heavy Duty Ar/CO2 Mix Flowmeter Regulator, 5/8" NPT (Male)

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Airgas Part #:HCL5400618

MIL40-50-510

Miller® Heavy Duty Propane Single Stage Regulator

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Miller® Heavy Duty Propane Single Stage Regulator

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Airgas Part #:MIL40-50-510

HCL3003503

Harris® Model 3500-125PSI-CGA350 High Pressure/High Flow Cylinder Hydrogen/Methane Single Stage Regulator, CGA-350

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Harris® Model 3500-125PSI-CGA350 High Pressure/High Flow Cylinder Hydrogen/Methane Single Stage Regulator, CGA-350

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Airgas Part #:HCL3003503

VIC0781-5202

Victor® Heavy Duty Inert Gas Liquid Cylinder Regulator, CGA - 580

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Victor® Heavy Duty Inert Gas Liquid Cylinder Regulator, CGA - 580

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Airgas Part #:VIC0781-5202

HCL3000296

Harris® Model 601-80-540 B Light Duty O2 Single Stage Regulator, CGA-540-B

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Harris® Model 601-80-540 B Light Duty O2 Single Stage Regulator, CGA-540-B

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Airgas Part #:HCL3000296

HCL4000825

Harris® Model 247-125-1/4" R Heavy Duty O2 Single Stage Regulator, 1/4" NPT (Female)

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Harris® Model 247-125-1/4" R Heavy Duty O2 Single Stage Regulator, 1/4" NPT (Female)

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Airgas Part #:HCL4000825

VIC5275-8553

Victor® Medium Duty Air Single Stage Regulator, CGA - 347

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Victor® Medium Duty Air Single Stage Regulator, CGA - 347

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Airgas Part #:VIC5275-8553

VIC0780-1188

Victor® Heavy Duty Nitrous Oxide Single Stage Regulator, CGA - 500

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Victor® Heavy Duty Nitrous Oxide Single Stage Regulator, CGA - 500

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Airgas Part #:VIC0780-1188

HCL4000569

Harris® Model 447NC-15-1/4L Heavy Duty/High Flow Fuel Gases Single Stage Regulator, 1/4" NPT (Female)

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Harris® Model 447NC-15-1/4L Heavy Duty/High Flow Fuel Gases Single Stage Regulator, 1/4" NPT (Female)

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Airgas Part #:HCL4000569

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Industrial Gas Regulators From Top Manufacturers At Airgas

Control and reduce your gas cylinder's pressure to your desired outlet pressure with these light, medium, and heavy-duty industrial gas regulators from RADNOR™️, Victor Equipment, Harris Products Group and Miller Electric Manufacturing. Airgas offers a vast selection of line, balloon, pipeline, specialty gas, single- and two-stage, and flow gauge regulators and flowmeters for pure and mixed gases.

Airgas is a leading single-source supplier for all things gases, welding equipment and supplies, and safety products. Find it with us, anytime, anywhere at Airgas.com.

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Industrial Gas Regulators

Single StageRegulators

Two StageRegulators

FlowmeterRegulators

FlowgaugeRegulators

LineRegulators

BalloonRegulators

PipelineRegulators

Specialty GasRegulators

Single StageRegulators

Two StageRegulators

FlowmeterRegulators

FlowgaugeRegulators

LineRegulators

BalloonRegulators

PipelineRegulators

Specialty GasRegulators

Industrial Gas Regulators

Victor® Medium Duty Carbon Dioxide Two Stage Regulator, CGA - 320

Victor® Medium Duty Carbon Dioxide Two Stage Regulator, CGA - 320

Harris® Model 3500-50PSI-CGA510P High Pressure/High Flow Cylinder Liquid Petroleum Gases/Propane Single Stage Regulator, CGA-510-P

Harris® Model 3500-50PSI-CGA510P High Pressure/High Flow Cylinder Liquid Petroleum Gases/Propane Single Stage Regulator, CGA-510-P

Victor® Heavy Duty/High Capacity Oxygen Single Stage Regulator, CGA - 540

Victor® Heavy Duty/High Capacity Oxygen Single Stage Regulator, CGA - 540

Victor® Heavy Duty/High Capacity Air Single Stage Regulator, CGA - 590

Victor® Heavy Duty/High Capacity Air Single Stage Regulator, CGA - 590

Miller® Heavy Duty CO2 Flowmeter Regulator, CGA-320

Miller® Heavy Duty CO2 Flowmeter Regulator, CGA-320

Victor® Heavy Duty/High Capacity Hydrogen, Methane Single Stage Regulator, CGA - 350

Victor® Heavy Duty/High Capacity Hydrogen, Methane Single Stage Regulator, CGA - 350

Harris® Model 450-50-510P Heavy Duty LPG, C3H8 Single Stage Regulator, CGA-510-P

Harris® Model 450-50-510P Heavy Duty LPG, C3H8 Single Stage Regulator, CGA-510-P

Victor® Medium Duty Medical Oxygen Single Stage Regulator, CGA - 300

Victor® Medium Duty Medical Oxygen Single Stage Regulator, CGA - 300

Victor® Extra High Capacity Inert Gas Single Stage Regulator, CGA - 580

Victor® Extra High Capacity Inert Gas Single Stage Regulator, CGA - 580

Harris® Model 247-50-1/4" L Heavy Duty Fuel Gases Single Stage Regulator, 1/4" NPT (Female)

Harris® Model 247-50-1/4" L Heavy Duty Fuel Gases Single Stage Regulator, 1/4" NPT (Female)

Miller® Heavy Duty Argon And CO2 Flowmeter Regulator, CGA-580

Miller® Heavy Duty Argon And CO2 Flowmeter Regulator, CGA-580

Harris® Model 55-2AR/CD100 5/8-18 Heavy Duty Ar/CO2 Mix Flowmeter Regulator, 5/8" NPT (Male)

Harris® Model 55-2AR/CD100 5/8-18 Heavy Duty Ar/CO2 Mix Flowmeter Regulator, 5/8" NPT (Male)

Miller® Heavy Duty Propane Single Stage Regulator

Miller® Heavy Duty Propane Single Stage Regulator

Harris® Model 3500-125PSI-CGA350 High Pressure/High Flow Cylinder Hydrogen/Methane Single Stage Regulator, CGA-350

Harris® Model 3500-125PSI-CGA350 High Pressure/High Flow Cylinder Hydrogen/Methane Single Stage Regulator, CGA-350

Victor® Heavy Duty Inert Gas Liquid Cylinder Regulator, CGA - 580

Victor® Heavy Duty Inert Gas Liquid Cylinder Regulator, CGA - 580

Harris® Model 601-80-540 B Light Duty O2 Single Stage Regulator, CGA-540-B

Harris® Model 601-80-540 B Light Duty O2 Single Stage Regulator, CGA-540-B

Harris® Model 247-125-1/4" R Heavy Duty O2 Single Stage Regulator, 1/4" NPT (Female)

Harris® Model 247-125-1/4" R Heavy Duty O2 Single Stage Regulator, 1/4" NPT (Female)

Victor® Medium Duty Air Single Stage Regulator, CGA - 347

Victor® Medium Duty Air Single Stage Regulator, CGA - 347

Victor® Heavy Duty Nitrous Oxide Single Stage Regulator, CGA - 500

Victor® Heavy Duty Nitrous Oxide Single Stage Regulator, CGA - 500

Harris® Model 447NC-15-1/4L Heavy Duty/High Flow Fuel Gases Single Stage Regulator, 1/4" NPT (Female)

Harris® Model 447NC-15-1/4L Heavy Duty/High Flow Fuel Gases Single Stage Regulator, 1/4" NPT (Female)

Single Stage
Regulators

Two Stage
Regulators

Flowmeter
Regulators

Flowgauge
Regulators

Line
Regulators

Balloon
Regulators

Pipeline
Regulators

Specialty Gas
Regulators

Single Stage
Regulators

Two Stage
Regulators

Flowmeter
Regulators

Flowgauge
Regulators

Line
Regulators

Balloon
Regulators

Pipeline
Regulators

Specialty Gas
Regulators