Harris Model 25GX-15-510 and Model 25GX-145-540 Pair Pack Single-Stage Pressure Regulators

By: Harris Products Group
510 Pair Pack
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Models 25GX-15-510 (3000380) and 25GX-145-540 (3000510) are medium-to-heavy duty single-stage regulators for use with acetylene and oxygen.

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.


  • 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


Adjusting Knob ABS black plastic
Body Brass
Bonnet Electroless nickel-plated brass zinc
Certification CGA E-4
UL® listed
Cv 0.17
Delivery Pressure Gauge (PSIG) 30RZ
Delivery Pressure Range (PSIG) 0 - 15
0 - 145
Diaphragm Neoprene
Duty Medium to heavy
Gas / Gas Service Acetylene
Gauges 2.5 in. Steel dual scale
Inlet Connection CGA 510
CGA 540
Maximum Inlet Pressure (PSIG) 500
Nozzle Brass
Outlet Connection 9/16 in. - 18 LH
9/16 in. - 18 RH
Pressure Regulation PSIG/100 PSIG 0.2
Recommended Items/Accessories Steel Gauge Guard - Red (Fuel) - PN 4300238
Steel Gauge Guard - Green (Oxygen) - PN 4300239
Seat PTFE Teflon®
Supply Pressure Gauge (PSIG) 400


Warranty 7 Years