Model 425
Model 425




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Model 425

Description: Single Stage Regulator

The Model 425 is a premium single-stage industrial regulator that is an ideal choice for most industrial applications.  This regulator incorporates a number of Harris features designed to make it a rugged, long-lasting performer, including an exclusive tamper-proof, self-reseating internal HP safety valve.  The 425 is also available in a multitude of pressure ranges and for all standard industry gases.

Pressure Control
  • Features:
    • Best Features
    • 7-Year Warranty
    • Made in the USA
    • Capacity:  Heavy Duty
    • Cv:  0.17
    • Gauges:  2.5" Brass
    • Pressure Regulation:  0.2 PSIG/100 PSIG
    • Seat:  One-piece encapsulated seat design with internal filter and a PTFE Teflon® seat
    • Certifications:  UL® listed/CGA E-4
    • Featured In:  Pipeliner® Classic kits
    • Weight:  3.7 lbs. / 1.67 kg.
    Part NumberModel NumberCapacityStageGaugesGasInletOutletCertifications
    3000848425-15-555Heavy DutySingle2.5" BrassCGA 5559/16” - 18 RHUL listed; CGA E-4
    3000816425-15-300Heavy DutySingle2.5" BrassAcetylene
    CGA 3009/16” - 18 LHUL listed; CGA E-4
    3000815425-15-510Heavy DutySingle2.5" BrassAcetylene
    CGA 5109/16” - 18 LHUL listed; CGA E-4
    3000765425-125A-580Heavy DutySingle2.5" BrassArgon
    Helium
    Nitrogen
    CGA 5809/16” - 18 RHUL listed; CGA E-4
    3000767425-125-580Heavy DutySingle2.5" BrassArgon
    Helium
    Nitrogen
    CGA 5809/16” - 18 RHUL listed; CGA E-4
    3000773425-200-580Heavy DutySingle2.5" BrassArgon
    Helium
    Nitrogen
    CGA 5809/16” - 18 RHUL listed; CGA E-4
    3000837425-15-580Heavy DutySingle2.5" BrassArgon
    Helium
    Nitrogen
    CGA 5809/16” - 18 RHUL listed; CGA E-4
    3000843425-50-580Heavy DutySingle2.5" BrassArgon
    Helium
    Nitrogen
    CGA 5809/16” - 18 RHUL listed; CGA E-4
    3000775425-125-320Heavy DutySingle2.5" BrassCarbon Dioxide
    CGA 3209/16” - 18 RHUL listed; CGA E-4
    3000787425-125-350Heavy DutySingle2.5" BrassEthylene
    Methane
    CGA 3509/16” - 18 LHUL listed; CGA E-4
    3000784425-50A-350Heavy DutySingle2.5" BrassHydrogen
    Methane
    CGA 3509/16” - 18 LHUL listed; CGA E-4
    3000794425-125A-350Heavy DutySingle2.5" BrassHydrogen
    Methane
    CGA 3509/16” - 18 LHUL listed; CGA E-4
    3000821425-125-590Heavy DutySingle2.5" BrassIndustrial Air
    CGA 5909/16” - 18 RHUL listed; CGA E-4
    3000713425-50-510PHeavy DutySingle2.5" BrassLPG
    CGA 510P9/16” - 18 LHUL listed; CGA E-4
    3000762425-125-346Heavy DutySingle2.5" BrassMedical Air
    CGA 3469/16” - 18 RHUL listed; CGA E-4
    3000764425-200-346Heavy DutySingle2.5" BrassMedical Air
    CGA 3469/16” - 18 RHUL listed; CGA E-4
    3000714425-125-540Heavy DutySingle2.5" BrassOxygen
    CGA 5409/16” - 18 RHUL listed; CGA E-4
    3000795425-50-540Heavy DutySingle2.5" BrassOxygen
    CGA 5409/16” - 18 RHUL listed; CGA E-4
    3000796425-200-540Heavy DutySingle2.5" BrassOxygen
    CGA 5409/16” - 18 RHUL listed; CGA E-4
  • Part NumberMax Inlet PressureDelivery Pressure RangeDelivery Pressure GaugeSupply Pressure GaugeHeightWidthLengthWeightPressureCv
    30007143000 PSIG0-125 PSIG200 PSIG4000 PSIG6.50"6.75"4.50"3.7 lbs. / 1.67 kg.0.2 PSIG/100 PSIG0.17
    30007623000 PSIG0-125 PSIG200 PSIG4000 PSIG6.50"6.75"4.50"3.7 lbs. / 1.67 kg.0.2 PSIG/100 PSIG0.17
    30007653000 PSIG0-125 PSIG200 PSIG4000 PSIG6.50"6.75"4.50"3.7 lbs. / 1.67 kg.0.2 PSIG/100 PSIG0.17
    30007673000 PSIG0-125 PSIG200 PSIG4000 PSIG6.50"6.75"4.50"3.7 lbs. / 1.67 kg.0.2 PSIG/100 PSIG0.17
    30007753000 PSIG0-125 PSIG200 PSIG4000 PSIG6.50"6.75"4.50"3.7 lbs. / 1.67 kg.0.2 PSIG/100 PSIG0.17
    30007873000 PSIG0-125 PSIG200 PSIG4000 PSIG6.50"6.75"4.50"3.7 lbs. / 1.67 kg.0.2 PSIG/100 PSIG0.17
    30007943000 PSIG0-125 PSIG200 PSIG4000 PSIG6.50"6.75"4.50"3.7 lbs. / 1.67 kg.0.2 PSIG/100 PSIG0.17
    30008213000 PSIG0-125 PSIG200 PSIG4000 PSIG6.50"6.75"4.50"3.7 lbs. / 1.67 kg.0.2 PSIG/100 PSIG0.17
    3000815500 PSIG0-15 PSIG30RZ PSIG400 PSIG6.50"6.75"4.50"3.7 lbs. / 1.67 kg.0.2 PSIG/100 PSIG0.17
    3000816500 PSIG0-15 PSIG30RZ PSIG400 PSIG6.50"6.75"4.50"3.7 lbs. / 1.67 kg.0.2 PSIG/100 PSIG0.17
    30008373000 PSIG0-15 PSIG30 PSIG4000 PSIG6.50"6.75"4.50"3.7 lbs. / 1.67 kg.0.2 PSIG/100 PSIG0.17
    30008483000 PSIG0-15 PSIG30 PSIG4000 PSIG6.50"6.75"4.50"3.7 lbs. / 1.67 kg.0.2 PSIG/100 PSIG0.17
    30007643000 PSIG0-200 PSIG400 PSIG4000 PSIG6.50"6.75"4.50"3.7 lbs. / 1.67 kg.0.2 PSIG/100 PSIG0.17
    30007733000 PSIG0-200 PSIG400 PSIG4000 PSIG6.50"6.75"4.50"3.7 lbs. / 1.67 kg.0.2 PSIG/100 PSIG0.17
    30007963000 PSIG0-200 PSIG400 PSIG4000 PSIG6.50"6.75"4.50"3.7 lbs. / 1.67 kg.0.2 PSIG/100 PSIG0.17
    30007133000 PSIG0-50 PSIG60 PSIG400 PSIG6.50"6.75"4.50"3.7 lbs. / 1.67 kg.0.2 PSIG/100 PSIG0.17
    30007843000 PSIG0-50 PSIG60 PSIG4000 PSIG6.50"6.75"4.50"3.7 lbs. / 1.67 kg.0.2 PSIG/100 PSIG0.17
    30007953000 PSIG0-50 PSIG60 PSIG4000 PSIG6.50"6.75"4.50"3.7 lbs. / 1.67 kg.0.2 PSIG/100 PSIG0.17
    30008433000 PSIG0-50 PSIG50 PSIG4000 PSIG6.50"6.75"4.50"3.7 lbs. / 1.67 kg.0.2 PSIG/100 PSIG0.17

    Diagram of Model 425
    click to enlarge
    Flow Data for Models 25, 29 and 425
    click to enlarge
    Flow Data for Models 25, 29 and 425
    click to enlarge
    UL Certified
  • Owner's ManualSafety GuidelinesCylinder Regulator Installation Video