Harris Model 25GX Single Stage Argon Nitrogen Helium Regulator 25GX-145-580 - 3000540

By: Harris Products Group
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Model 25GX single-stage regulator is designed to be the next generation workhorse of the Harris industrial line. It features larger, easy-to-read gauges and an ergonomic adjusting knob that also shields the adjusting mechanism from contaminants. Supplied with 5/8" - 18" adaptor.


  • High end features for economical price
  • Workhorse of Harris industrial regulator line
  • Ergonomic ABS plastic knob for easy grip and precise adjustment
  • Brass body and chrome-plated zinc bonnet for longer service life
  • Neoprene diaphragm for better pressure control
  • 2.5" Steel dual scale easy-to-read gauges
  • One-piece encapsulated seat design with internal filter to protect the PTFE Teflon® seat from particulate contamination
  • UL® listed
  • Supplied with 5/8" - 18 adaptor PN 9000002

General Equipment

Adjusting Knob ABS plastic
Body Brass
Bonnet Chrome plated zinc
Certification CGA E-4
UL® listed
Cv 0.17
Delivery Pressure Gauge (PSIG) 200
Delivery Pressure Range (PSIG) 0 - 145
Diaphragm Neoprene
Duty Medium to heavy
Gas / Gas Service Argon
Gauges 2.5" Steel dual scale
Inlet Connection CGA 580
Maximum Inlet Pressure (PSIG) 3000
Recommended Items/Accessories Steel Gauge Guard - Red (Fuel) - PN 4300238
Steel Gauge Guard - Green (Oxygen) - PN 4300239
Seat PTFE Teflon®
Supply Pressure Gauge (PSIG) 4000

Gas Regulation

Nozzle Brass
Outlet Connection 9/16" - 18 RH**
Pressure Regulation PSIG/100 PSIG 0.20 psig


Warranty 7 Years