Model 450 is an economically priced industrial-duty acetylene regulator that has premium features found only in high-priced regulators. The 450 has a stainless steel diaphragm and a Harris exclusive internal tamper-proof self-reseating safety relief device.
- Economically priced heavy duty single-stage regulator
- Premium features generally found in high priced regulators
- Brass T-screw bar adjusting handle for easier adjustment
- Brass body and bonnet for longer service life
- Stainless steel diaphragm for safety and greater strength in adverse conditions
- 2.5 in. Brass dual scale easy-to-read gauges
- One-piece encapsulated seat design with internal filter to protect the PTFE Teflon® seat from particulate contamination
- Equipped with a tamper-proof, self-reseating internal safety relief valve
- UL® listed
Equipment
| Adjusting Screw | Brass T-screw bar |
| Body | Brass |
| Bonnet | Brass |
| Certification | CGA E-4 UL® listed |
| Cv | 0.17 |
| Delivery Pressure Gauge (PSIG) | 30RZ |
| Delivery Pressure Range (PSIG) | 0 - 15 |
| Diaphragm | Stainless steel |
| Duty | Heavy |
| Equipped With | Tamper proof, self-reseating internal high pressure safety valve |
| Gas / Gas Service | Acetylene |
| Gauges | 2.5 in. Brass dual scale (psi/kPa) |
| Inlet Connection | CGA 300 |
| Maximum Inlet Pressure (PSIG) | 500 |
| Outlet Connection | 9/16 in. - 18 LH |
| Pressure Regulation PSIG/100 PSIG | 0.30 |
| Seat | PTFE Teflon® |
| Supply Pressure Gauge (PSIG) | 400 |
Warranty
| Warranty | 7 Years |





