Description
Harris 425 Single Stage N2 Regulator
The Model 425 is a premium single-stage industrial 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, including an exclusive tamper-proof, self-reseating internal HP safety valve. The 425 is also available in a multitude of pressure ranges and for all standard industry gases.
| Adjusting Screw | Brass “T” screw |
| Body | Brass |
| Bonnet | Brass |
| Certification | CGA E-4 UL® listed |
| Cv | 0.17 |
| Delivery Pressure Gauge (PSIG) | 125 |
| Delivery Pressure Range (PSIG) | 0 – 125 |
| Diaphragm | Neoprene |
| Duty | Heavy |
| Equipped With | Tamper proof, self-reseating, internal high-pressure safety valve |
| Gas / Gas Service | Argon (Ar) Helium (He) Nitrogen (N2) |
| Gauges | 2.5″ Brass dual scale (psi/kPa) |
| Inlet Connection | CGA 580 |
| Maximum Inlet Pressure (PSIG) | 3000 |
| 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) | 4000 |
Gas Regulation
| Outlet Connection | 9/16″ – 18 RH |
| Pressure Regulation PSIG/100 PSIG | 0.20 |
Warranty
| Warranty | 7 Years |
