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Industrial Gas Regulators

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Single Stage Regulator (343)

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0 - 15 psig (36)

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0 - 30 scfh (1)

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

1/4" NPT (Female) (39)

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) (32)

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)

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1/4" NPT (7)

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

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

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

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)

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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 1/2 NPS" (Female) (1)

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

1/4 in. SAE Flare (1)

1/4" (Female) (1)

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

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

1/4" Swaglok type (1)

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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 "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 (11)

CGA - 300 (10)

CGA - 500 (10)

CGA-300 (8)

CGA-350 (8)

CGA - 346 (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 - 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 - 025 (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)

1/2" NPT (Female) (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)

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Industrial Gas Regulators

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RAD64004724

RADNOR™ Heavy Duty Alternate Fuel Single Stage Industrial Regulator

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RADNOR™ Heavy Duty Alternate Fuel Single Stage Industrial Regulator

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Airgas Part #:RAD64004724

HCL3100211

Harris® Model 355-2AR-58010 Up to 140 SCFH Ar/CO2 Mix Flowmeter Industrial Regulator

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Harris® Model 355-2AR-58010 Up to 140 SCFH Ar/CO2 Mix Flowmeter Industrial Regulator

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Airgas Part #:HCL3100211

MIL30-100-540

Miller® Medium Duty Oxygen Single Stage Industrial Regulator

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Miller® Medium Duty Oxygen Single Stage Industrial Regulator

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Airgas Part #:MIL30-100-540

MIL16347-3

Miller® Low Pressure Nitrogen Three Stage Industrial Regulator

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Miller® Low Pressure Nitrogen Three Stage Industrial Regulator

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Airgas Part #:MIL16347-3

MIL30-100-350

Miller® Medium Duty Hydrogen And Methane Single Stage Industrial Regulator

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Miller® Medium Duty Hydrogen And Methane Single Stage Industrial Regulator

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Airgas Part #:MIL30-100-350

MIL16531

Miller® Heavy Duty Argon Flowmeter Industrial Regulator

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Miller® Heavy Duty Argon Flowmeter Industrial Regulator

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Airgas Part #:MIL16531

VIC0781-9135

Victor® Medium Duty Inert Gas Single Stage/Purge Industrial Regulator

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Victor® Medium Duty Inert Gas Single Stage/Purge Industrial Regulator

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Airgas Part #:VIC0781-9135

HCL3000821

Harris® Model 425-125-590 Heavy Duty Industrial Air Single Stage Industrial Regulator

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Harris® Model 425-125-590 Heavy Duty Industrial Air Single Stage Industrial Regulator

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Airgas Part #:HCL3000821

VIC0781-3603

Victor® Heavy Duty/High Capacity Acetylene Single Stage Industrial Regulator

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Victor® Heavy Duty/High Capacity Acetylene Single Stage Industrial Regulator

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Airgas Part #:VIC0781-3603

MIL35-125-540

Miller® Medium Duty Oxygen Two Stage Industrial Regulator

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Miller® Medium Duty Oxygen Two Stage Industrial Regulator

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Airgas Part #:MIL35-125-540

VIC0781-3506

Victor® Medium Duty Oxygen Two Stage Industrial Regulator

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Victor® Medium Duty Oxygen Two Stage Industrial Regulator

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Airgas Part #:VIC0781-3506

VIC0781-5284

Victor® Model EST42-200-024 Oxygen Two Stage Industrial Regulator

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Victor® Model EST42-200-024 Oxygen Two Stage Industrial Regulator

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Airgas Part #:VIC0781-5284

HCL3100201

Harris® Model 355-2CD-320 Up to 140 SCFH CO2 Flowmeter Industrial Regulator

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Harris® Model 355-2CD-320 Up to 140 SCFH CO2 Flowmeter Industrial Regulator

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Airgas Part #:HCL3100201

HCL4000555

Harris® Model 447-125-CR Heavy Duty/High Flow O2 Single Stage Industrial Regulator

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Harris® Model 447-125-CR Heavy Duty/High Flow O2 Single Stage Industrial Regulator

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Airgas Part #:HCL4000555

VIC0781-1405

Victor® Heavy Duty/High Capacity Oxygen Single Stage Industrial Regulator

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Victor® Heavy Duty/High Capacity Oxygen Single Stage Industrial Regulator

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Airgas Part #:VIC0781-1405

VIC0780-1207

Victor® Extra Heavy Duty Inert Gas Line Industrial Regulator

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Victor® Extra Heavy Duty Inert Gas Line Industrial Regulator

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Airgas Part #:VIC0780-1207

HCL3000682

Harris® Model 25GX-15-510 Medium/Heavy Duty C2H2 Single Stage Industrial Regulator

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Harris® Model 25GX-15-510 Medium/Heavy Duty C2H2 Single Stage Industrial Regulator

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Airgas Part #:HCL3000682

MIL35-15-510

Miller® Medium Duty Acetylene Two Stage Industrial Regulator

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Miller® Medium Duty Acetylene Two Stage Industrial Regulator

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Airgas Part #:MIL35-15-510

MIL40-175-540S

Miller® Heavy Duty Oxygen Single Stage Industrial Regulator

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Miller® Heavy Duty Oxygen Single Stage Industrial Regulator

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Airgas Part #:MIL40-175-540S

MIL35-50-580

Miller® Medium Duty Argon And Nitrogen Two Stage Industrial Regulator

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Miller® Medium Duty Argon And Nitrogen Two Stage Industrial Regulator

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Airgas Part #:MIL35-50-580

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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

RADNOR™ Heavy Duty Alternate Fuel Single Stage Industrial Regulator

RADNOR™ Heavy Duty Alternate Fuel Single Stage Industrial Regulator

Harris® Model 355-2AR-58010 Up to 140 SCFH Ar/CO2 Mix Flowmeter Industrial Regulator

Harris® Model 355-2AR-58010 Up to 140 SCFH Ar/CO2 Mix Flowmeter Industrial Regulator

Miller® Medium Duty Oxygen Single Stage Industrial Regulator

Miller® Medium Duty Oxygen Single Stage Industrial Regulator

Miller® Low Pressure Nitrogen Three Stage Industrial Regulator

Miller® Low Pressure Nitrogen Three Stage Industrial Regulator

Miller® Medium Duty Hydrogen And Methane Single Stage Industrial Regulator

Miller® Medium Duty Hydrogen And Methane Single Stage Industrial Regulator

Miller® Heavy Duty Argon Flowmeter Industrial Regulator

Miller® Heavy Duty Argon Flowmeter Industrial Regulator

Victor® Medium Duty Inert Gas Single Stage/Purge Industrial Regulator

Victor® Medium Duty Inert Gas Single Stage/Purge Industrial Regulator

Harris® Model 425-125-590 Heavy Duty Industrial Air Single Stage Industrial Regulator

Harris® Model 425-125-590 Heavy Duty Industrial Air Single Stage Industrial Regulator

Victor® Heavy Duty/High Capacity Acetylene Single Stage Industrial Regulator

Victor® Heavy Duty/High Capacity Acetylene Single Stage Industrial Regulator

Miller® Medium Duty Oxygen Two Stage Industrial Regulator

Miller® Medium Duty Oxygen Two Stage Industrial Regulator

Victor® Medium Duty Oxygen Two Stage Industrial Regulator

Victor® Medium Duty Oxygen Two Stage Industrial Regulator

Victor® Model EST42-200-024 Oxygen Two Stage Industrial Regulator

Victor® Model EST42-200-024 Oxygen Two Stage Industrial Regulator

Harris® Model 355-2CD-320 Up to 140 SCFH CO2 Flowmeter Industrial Regulator

Harris® Model 355-2CD-320 Up to 140 SCFH CO2 Flowmeter Industrial Regulator

Harris® Model 447-125-CR Heavy Duty/High Flow O2 Single Stage Industrial Regulator

Harris® Model 447-125-CR Heavy Duty/High Flow O2 Single Stage Industrial Regulator

Victor® Heavy Duty/High Capacity Oxygen Single Stage Industrial Regulator

Victor® Heavy Duty/High Capacity Oxygen Single Stage Industrial Regulator

Victor® Extra Heavy Duty Inert Gas Line Industrial Regulator

Victor® Extra Heavy Duty Inert Gas Line Industrial Regulator

Harris® Model 25GX-15-510 Medium/Heavy Duty C2H2 Single Stage Industrial Regulator

Harris® Model 25GX-15-510 Medium/Heavy Duty C2H2 Single Stage Industrial Regulator

Miller® Medium Duty Acetylene Two Stage Industrial Regulator

Miller® Medium Duty Acetylene Two Stage Industrial Regulator

Miller® Heavy Duty Oxygen Single Stage Industrial Regulator

Miller® Heavy Duty Oxygen Single Stage Industrial Regulator

Miller® Medium Duty Argon And Nitrogen Two Stage Industrial Regulator

Miller® Medium Duty Argon And Nitrogen Two Stage Industrial Regulator

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