Harris Model 330-500-540 heavy-duty regulator allows for gaseous withdrawal from oxygen liquid cylinders. Its unique design permits inlet pressures up to 3000 PSIG for use on high pressure cylinders. The Model 330 features a brass body, brass T-screw bar adjusting handle, stainless steel diaphragm, 2.5 in. 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. Conforms to CGA-E-4 standard for gas pressure regulators.
Features
One-piece encapsulated seat design with internal filter to protect the PTFE Teflon® seat from particulate contamination
Forged brass body and bonnet for longer service life
Stainless steel diaphragm for corrosion resistance and greater strength in adverse conditions