Harris 301-100-580 Argon, Helium, Nitrogen Single Stage Compact Regulator - 3000187

By: Harris Products Group
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Model 301 single-stage regulator is designed to be compact, lightweight and rugged. It provides accurate pressure regulation to 100 PSIG.

Model 301 light to medium duty regulator features a brass body, 2" steel dual scale gauges, one-piece encapsulated seat design with internal filter and PTFE Teflon® seat and 9/16" - 18" outlet connection. This model is UL listed.


  • Compact single-stage regulator
  • Lightweight, yet rugged
  • Provides accurate pressure regulation to 100 psig
  • Brass body and brass-painted zinc bonnet for longer service life
  • Easy-to-operate brass "T" screw handle
  • 2" Steel dual scale easy-to-read gauges
  • One-piece encapsulated seat design with internal filter to protect the PTFE Teflon® seat from particulate contamination
  • Neoprene diaphragm for better pressure control
  • UL® listed


Adjusting Screw Brass T-screw
Body Brass
Bonnet Brass-painted zinc
Certification CGA E-4
UL® listed
Cv 0.08
Delivery Pressure Gauge (PSIG) 150
Delivery Pressure Range (PSIG) 0 - 100
Diaphragm Neoprene
Duty Light to medium
Gas / Gas Service Argon
Gauges 2 in. Steel dual scale
Inlet Connection CGA 580
Maximum Inlet Pressure (PSIG) 3000
Outlet Connection 9/16 in. - 18 RH
Pressure Regulation PSIG/100 PSIG 0.40
Seat PTFE Teflon®
Supply Pressure Gauge (PSIG) 4000


Warranty 7 Years

Custom Field

Series 301
Gas Argon
Gas Helium
Gas Nitrogen
Max Inlet PSIG 3000
Delivery Pressure 0 - 100
Inlet Connection CGA 580
Outlet Connection 9/16" - 18 RH

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