Harris 801-145-540 Oxygen Single-Stage Pressure Regulator 3002194

By: Harris Products Group
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Model 801 single-stage medium duty regulator is designed to be compact, lightweight and rugged. It is perfect for most industrial cutting and welding applications.

Model 801 features a brass body, 2 in. steel dual scale gauges that are easy-to read, ABS plastic ergonomic adjusting knob for precise operation and one-piece encapsulated seat design with internal filter and PTFE Teflon® seat. 


  • Compact, general purpose regulator
  • Designed for medium duty industrial cutting and welding applications
  • Brass body and chrome-plated zinc bonnet for longer service life
  • Ergonomic ABS plastic knob for easy grip and precise adjustment
  • 2 in. Gold painted steel dual scale easy-to-read gauges (psi/kPa)
  • One-piece encapsulated seat design with internal filter to protect the PTFE Teflon® seat from particulate contamination
  • Neoprene diaphragm for better pressure control


Adjusting Knob ABS black plastic
Body Brass
Bonnet Electroless nickel-plated brass zinc
Certification CGA E-4
Cv 0.17
Delivery Pressure Gauge (PSIG) 150
Delivery Pressure Range (PSIG) 0 - 145
Diaphragm Neoprene
Duty Medium
Gas / Gas Service Oxygen
Gauges 2 in. Steel dual scale
Inlet Connection CGA 540
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