Model 425 is a premium, heavy-duty, Single Stage, industrial-duty Propane Regulator that is an ideal choice for most industrial applications. This Regulator incorporates a number of Harris features designed to make it a rugged, long-lasting performer. It has an exclusive tamper-proof, self-reseating, internal HP safety valve, one-piece encapsulated seat design with internal filter and PTFE Teflon seat, and a neoprene diaphragm. This model can be used with any of the welding grade liquid petroleum gases. NOT FOR USE WITH ACETYLENE. Conveniently packaged in clamshell for point-of-purchase display.
- Single Stage industrial Regulator with premium features
- Designed for rugged, long-lasting performance
- Easy-to-operate brass "T" screw
- Brass body and bonnet for longer service life
- Neoprene diaphragm for better pressure control
- 2.5" Brass dual scale easy-to-read gauges
- One-piece encapsulated seat design with internal filter to protect the PTFE Teflon seat from particulate contamination
- UL listed
- Equipped with a tamper-proof, self-reseating internal safety valve
- Designed specifically for propane service, but can be used with any of the other welding grade liquid petroleum gases.
Equipment
| Adjusting Screw | Brass "T" screw |
| Body | Brass |
| Bonnet | Brass |
| Certification | CGA E-4 UL® listed |
| Cv | 0.17 |
| Delivery Pressure Gauge (PSIG) | 60 |
| Delivery Pressure Range (PSIG) | 0 - 50 |
| Diaphragm | Neoprene |
| Duty | Heavy |
| Equipped With | Tamper proof, self-reseating, internal high-pressure safety valve |
| Gas / Gas Service | LPG Propane Any liquid petroleum gases NOT for use with Acetylene |
| Gauges | 2.5" Brass dual scale (psi/kPa) |
| Inlet Connection | CGA 510P |
| Maximum Inlet Pressure (PSIG) | 3000 |
| Outlet Connection | 9/16" - 18 LH |
| Pressure Regulation PSIG/100 PSIG | 0.20 |
| Recommended Items/Accessories | Steel Gauge Guard - Red (Fuel) - PN 4300238 Steel Gauge Guard - Green (Oxygen) - PN 4300239 Adapter - 9/16” – 18 (F) x 5/8" – 18 (F) PN 90000002 |
| Seat | PTFE Teflon® |
| Supply Pressure Gauge (PSIG) | 400 |
Warranty
| Warranty | 7 Years |






