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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
2.5 in. Brass dual scale easy-to-read gauge (PSI/kPa)
Easy-to-operate brass T-screw bar adjusting handle
Designed specifically to operate on liquid cylinders and high pressure cylinders without damage
Unique design allows inlet pressures up to 3000 PSIG
Equipped with tamper proof, self-reseating, high pressure internal safety valve
Includes an auxiliary plugged low pressure port
Includes
Tamper-proof self-reseating internal HP safety valve