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Harris® Model 25GX-500PSI-CGA580 Medium Duty/Heavy Duty HVAC Nitrogen Purging Argon/Helium/Nitrogen Single Stage Regulator, CGA-580

Airgas Part #:HCL3000606

Manufacturer Part #:3000606

$255.78 /Each

Item Details

  • Harris Model 25GX-500-580 argon, nitrogen, helium single-stage nitrogen purging regulator is designed to be compact, lightweight and rugged for medium to heavy duty use. Used for HVAC purging, pressure testing and blanketing with nitrogen or other inert gases. It is equipped with a brass body and chrome-plated zinc bonnet for longer service life, large, easy-to-read 2.5" steel dual scale gauges, brass "T" screw adjusting handle for easier adjusting at high pressures and a neoprene diaphragm for extra safety, longer life and greater dependability. It features a one-piece encapsulated PTFE Teflon® seat design with an internal filter to protect it from particulate contamination. Maximum delivery pressure of 500 psig. It has a 1/4" 45? flare SAE outlet connection. Conforms to CGA-E-4 standard for gas pressure regulators. Conveniently packaged in clamshell for ease in displaying on showroom floor.


  • One-piece encapsulated seat design with internal filter and a PTFE Teflon® seat
  • Brass body and chrome-plated zinc bonnet
  • 2.5" steel dual scale gauges
  • Brass T- screw adjusting handle
  • Neoprene diaphragm
  • PTFE Teflon® seat with internal filter
  • 1/4" 45â—¦ flare SAE outlet connection
  • Maximum inlet pressure 3000 psig
  • Delivery pressure range 0 - 500 psig
  • Supply pressure gauge 4000 psig
  • Pressure regulation 0.2 psig/100 psig
  • Cv 0.17


  • HVAC purging
  • Pressure testing
  • Blanketing

Product Attributes

Regulator Type

» Single Stage Regulator

Gas Service

» Argon
» Ar
» Helium
» He
» Nitrogen
» N2

Delivery Rate

» 0 - 500 psig

Inlet Connection

» CGA-580


» Medium Duty
» Heavy Duty

Outlet Connection

» 1/4" 45° Flare SAE CGA 165

Gauge Diameter

» 2.5"