Harris Model 425 Single Stage AR, HE, N2 Regulator 425-50-580 3000843

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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.

  • 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
3000843 425-50-580 Heavy Duty Single 2.5" Brass Argon
CGA 580 9/16” - 18 RH UL listed; CG

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