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
    <em>click to enlarge</em>
    Flow Data for Models 25, 29 and 425
    <em>click to enlarge</em>
    Flow Data for Models 25, 29 and 425
    <em>click to enlarge</em>
    UL Certified
  • Owner's ManualSafety GuidelinesCylinder Regulator Installation Video