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Industrial Gas Regulators

Harris® Model 425-125-540 Heavy Duty Industrial Premium Oxygen Single Stage Regulator, CGA-540

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Harris® Model 425-125-540 Heavy Duty Industrial Premium Oxygen Single Stage Regulator, CGA-540

Harris® Model 425-125-540 Heavy Duty Industrial Premium Oxygen Single Stage Regulator, CGA-540

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Airgas Part #:HCL3000714

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Harris® Model 247-125-1/4 Heavy Duty Pipeline Back Entry Oxygen Single Stage Regulator, 1/4" NPT (Female)

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Harris® Model 247-125-1/4 Heavy Duty Pipeline Back Entry Oxygen Single Stage Regulator, 1/4" NPT (Female)

Harris® Model 247-125-1/4 Heavy Duty Pipeline Back Entry Oxygen Single Stage Regulator, 1/4" NPT (Female)

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Airgas Part #:HCL4000825

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Harris® Model 330-125-540 Heavy Duty Industrial Liquid Cylinder Gaseous Withdrawal Oxygen Single Stage Regulator, CGA-540

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Harris® Model 330-125-540 Heavy Duty Industrial Liquid Cylinder Gaseous Withdrawal Oxygen Single Stage Regulator, CGA-540

Harris® Model 330-125-540 Heavy Duty Industrial Liquid Cylinder Gaseous Withdrawal Oxygen Single Stage Regulator, CGA-540

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Airgas Part #:HCL3001090

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Harris® Model 447-50-CR Heavy Duty/High Flow Station Back Entry Oxygen Single Stage Regulator, 7/8" - 14RH (Female) - 024

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Harris® Model 447-50-CR Heavy Duty/High Flow Station Back Entry Oxygen Single Stage Regulator, 7/8" - 14RH (Female) - 024

Harris® Model 447-50-CR Heavy Duty/High Flow Station Back Entry Oxygen Single Stage Regulator, 7/8" - 14RH (Female) - 024

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Airgas Part #:HCL4000553

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Harris® Model 425-50-540 Heavy Duty Industrial Premium Oxygen Single Stage Regulator, CGA-540

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Harris® Model 425-50-540 Heavy Duty Industrial Premium Oxygen Single Stage Regulator, CGA-540

Harris® Model 425-50-540 Heavy Duty Industrial Premium Oxygen Single Stage Regulator, CGA-540

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Airgas Part #:HCL3000795

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Harris® Model 447-125-1/4 R Heavy Duty/High Flow Pipeline Back Entry Oxygen Single Stage Regulator, 1/4" NPT (Female)

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Harris® Model 447-125-1/4 R Heavy Duty/High Flow Pipeline Back Entry Oxygen Single Stage Regulator, 1/4" NPT (Female)

Harris® Model 447-125-1/4 R Heavy Duty/High Flow Pipeline Back Entry Oxygen Single Stage Regulator, 1/4" NPT (Female)

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Airgas Part #:HCL4000575

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Harris® Model 3500-125-540 High Pressure/High Flow Cylinder Oxygen Single Stage Regulator, CGA-540

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Harris® Model 3500-125-540 High Pressure/High Flow Cylinder Oxygen Single Stage Regulator, CGA-540

Harris® Model 3500-125-540 High Pressure/High Flow Cylinder Oxygen Single Stage Regulator, CGA-540

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Airgas Part #:HCL3003500

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Harris® Model 25GX-145-540 Medium/Heavy Duty Industrial Workhorse Oxygen Single Stage Regulator, CGA-540

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Harris® Model 25GX-145-540 Medium/Heavy Duty Industrial Workhorse Oxygen Single Stage Regulator, CGA-540

Harris® Model 25GX-145-540 Medium/Heavy Duty Industrial Workhorse Oxygen Single Stage Regulator, CGA-540

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Airgas Part #:HCL3000510

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Harris® Model 801-145-540 Medium Duty Industrial General Purpose Oxygen Single Stage Regulator, CGA-540

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Harris® Model 801-145-540 Medium Duty Industrial General Purpose Oxygen Single Stage Regulator, CGA-540

Harris® Model 801-145-540 Medium Duty Industrial General Purpose Oxygen Single Stage Regulator, CGA-540

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Airgas Part #:HCL3002194

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Harris® Model 247-200-1/4 Heavy Duty Pipeline Back Entry Oxygen Single Stage Regulator, 1/4" NPT (Female)

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Harris® Model 247-200-1/4 Heavy Duty Pipeline Back Entry Oxygen Single Stage Regulator, 1/4" NPT (Female)

Harris® Model 247-200-1/4 Heavy Duty Pipeline Back Entry Oxygen Single Stage Regulator, 1/4" NPT (Female)

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Airgas Part #:HCL4000829

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Harris® Model 447-125-CR Heavy Duty/High Flow Station Back Entry Oxygen Single Stage Regulator, 7/8" - 14RH (Female) - 024

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Harris® Model 447-125-CR Heavy Duty/High Flow Station Back Entry Oxygen Single Stage Regulator, 7/8" - 14RH (Female) - 024

Harris® Model 447-125-CR Heavy Duty/High Flow Station Back Entry Oxygen Single Stage Regulator, 7/8" - 14RH (Female) - 024

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Airgas Part #:HCL4000555

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Harris® Model 425-200-540 Heavy Duty Industrial Premium Oxygen Single Stage Regulator, CGA-540

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Harris® Model 425-200-540 Heavy Duty Industrial Premium Oxygen Single Stage Regulator, CGA-540

Harris® Model 425-200-540 Heavy Duty Industrial Premium Oxygen Single Stage Regulator, CGA-540

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Airgas Part #:HCL3000796

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Harris® Model 450-125-540 Heavy Duty Industrial Premium Features Oxygen Single Stage Regulator, CGA-540

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Harris® Model 450-125-540 Heavy Duty Industrial Premium Features Oxygen Single Stage Regulator, CGA-540

Harris® Model 450-125-540 Heavy Duty Industrial Premium Features Oxygen Single Stage Regulator, CGA-540

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Airgas Part #:HCL3002497

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Harris® Model 330-350-540 Heavy Duty Industrial Liquid Cylinder Gaseous Withdrawal Oxygen Single Stage Regulator, CGA-540

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Harris® Model 330-350-540 Heavy Duty Industrial Liquid Cylinder Gaseous Withdrawal Oxygen Single Stage Regulator, CGA-540

Harris® Model 330-350-540 Heavy Duty Industrial Liquid Cylinder Gaseous Withdrawal Oxygen Single Stage Regulator, CGA-540

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Airgas Part #:HCL3001093

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Harris® Model 3500-200-540 High Pressure/High Flow Cylinder Oxygen Single Stage Regulator, CGA-540

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Harris® Model 3500-200-540 High Pressure/High Flow Cylinder Oxygen Single Stage Regulator, CGA-540

Harris® Model 3500-200-540 High Pressure/High Flow Cylinder Oxygen Single Stage Regulator, CGA-540

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Airgas Part #:HCL3003510

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Harris® Model 301-100-540 Light/Medium Duty Industrial Compact Oxygen Single Stage Regulator, CGA-540

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Harris® Model 301-100-540 Light/Medium Duty Industrial Compact Oxygen Single Stage Regulator, CGA-540

Harris® Model 301-100-540 Light/Medium Duty Industrial Compact Oxygen Single Stage Regulator, CGA-540

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Airgas Part #:HCL3000162

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Harris® Model 450-200-540 Heavy Duty Industrial Premium Features Oxygen Single Stage Regulator, CGA-540

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Harris® Model 450-200-540 Heavy Duty Industrial Premium Features Oxygen Single Stage Regulator, CGA-540

Harris® Model 450-200-540 Heavy Duty Industrial Premium Features Oxygen Single Stage Regulator, CGA-540

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Airgas Part #:HCL3002499

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Harris® Model 447-200-CR Heavy Duty/High Flow Station Back Entry Oxygen Single Stage Regulator, 7/8" - 14RH (Female) - 024

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Harris® Model 447-200-CR Heavy Duty/High Flow Station Back Entry Oxygen Single Stage Regulator, 7/8" - 14RH (Female) - 024

Harris® Model 447-200-CR Heavy Duty/High Flow Station Back Entry Oxygen Single Stage Regulator, 7/8" - 14RH (Female) - 024

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Airgas Part #:HCL4000557

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Harris® Model 447-200-1/4 R Heavy Duty/High Flow Pipeline Back Entry Oxygen Single Stage Regulator, 1/4" NPT (Female)

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Harris® Model 447-200-1/4 R Heavy Duty/High Flow Pipeline Back Entry Oxygen Single Stage Regulator, 1/4" NPT (Female)

Harris® Model 447-200-1/4 R Heavy Duty/High Flow Pipeline Back Entry Oxygen Single Stage Regulator, 1/4" NPT (Female)

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Airgas Part #:HCL4000577

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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.