Model 450 is an economically priced industrial-duty Propane/LPG 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. Can be used with any of the other welding grade liquid petroleum gases. NOT FOR USE WITH ACETYLENE.
- Economically priced heavy-duty single stage Regulator
- Boasts 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 tamperproof, self reseating, internal high pressure safety relief valve
- UL listed
- Designed specifically for propane service, but can be used with any of the other welding grade liquid petroleum gases. Not for use with acetylene
Equipment
| Adjusting Screw | Brass T-screw bar |
| Body | Brass |
| Bonnet | Brass |
| Certification | CGA E-4 UL® listed |
| Cv | 0.17 |
| Delivery Pressure Gauge (PSIG) | 100 |
| Delivery Pressure Range (PSIG) | 0 - 50 |
| Diaphragm | Stainless steel |
| Duty | Heavy |
| Equipped With | Tamper proof, self-reseating, internal safety valve |
| Gas / Gas Service | LPG Propane Any liquid petroleum gases NOT for use with Acetylene |
| Gauges | 2.5 in. Brass dual scale (psi/kPa) |
| Inlet Connection | CGA 510P |
| 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 |







