Harris Model 330 Oxygen Single Stage Liquid Cylinder Gaseous Withdrawal Regulator 330-125-540 3001090

By: Harris Products Group
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Model 330 heavy-duty regulator allows for gas withdrawal from oxygen liquid cylinders. Its unique design permits inlet pressures up to 3000 PSIG for use on high pressure cylinders. The Model 301 features a brass body, brass T screw bar adjustment, stainless steel diaphragm, 2.5" brass dual scale gauge, one-piece encapsulated seat design with internal filter and PTFE Teflon® seat and Harris' exclusive self-reseating, tamper-proof internal high pressure safety valve. Model 330 has an auxiliary plugged low pressure port. This model is also UL® listed.


  • Operates on liquid cylinders and high pressure cylinders without damage
  • Unique design allows inlet pressures up to 3000 PSIG
  • Forged brass body and bonnet for longer service life
  • Easy-to-operate brass "T" screw bar handle
  • 2" Brass dual scale easy-to-read gauges
  • One-piece encapsulated seat design with internal filter to protect the PTFE Teflon® seat from particulate contamination
  • Stainless steel diaphragm for greater strength in adverse conditions
  • Includes an auxiliary plugged low pressure port

General Equipment

Adjusting Screw Brass "T" screw bar
Body Forged brass
Bonnet Forged brass
Certification CGA E-4
Cv 0.37
Delivery Pressure Gauge (PSIG) 200
Delivery Pressure Range (PSIG) 0 - 125
Diaphragm Stainless steel
Duty Heavy
Equipped With Tamper proof, self-reseating, internal high-pressure safety valve
Gas / Gas Service Oxygen (O2)
Gauges 2” Brass dual scale (psi/kPa)
Inlet Connection CGA 540
Maximum Inlet Pressure (PSIG) 3000
Seat PTFE Teflon®
Supply Pressure Gauge (PSIG) -

Gas Regulation

Outlet Connection 9/16"" - 18 RH (M)
Pressure Regulation PSIG/100 PSIG 0.20


Warranty 7 Years