High Flow - High Purity Regulator
Series 3831H
Description
The 3831H series regulators are designed for high flow applications involving high purity gases. The series features a Cv of 0.55 and excellent regulation.
Features
- Capable of high flows with only a small pressure drop.
- High purity metal diaphragm construction.
- All parts ultrasonically cleaned prior to assembly.
- Excellent pressure regulation – 1.6 psi/100 psi.
- Encapsulated seat with 10 micron filter.
Applications
The 3831H series regulators are ideal as manifold, laser assist gas, or pipeline regulators for high flow systems of high purity or industrial gases.
Specifications
| 3831H | 3831HL | |
|---|---|---|
| Max. Inlet Pressure: | 3000 psig* | 3000 psig* |
| Operating Temp. Range: | -40°F to 165° | -40°F to 165° |
| Flow Coefficient (Cv): | 0.55 | 0.55 |
| Inlet and Outlet: | 1/2" NPT female | 1/2" NPT female |
Materials Of Construction
| 3831H | 3831HL | |
|---|---|---|
| Body: | brass barstock | brass barstock |
| Bonnet: | forged brass | forged brass |
| Diaphragm: | 302 SS** | 302 SS** |
| Seat: | PTFE Teflon | PTFE Teflon |
| Seals: | PTFE Teflon | PTFE Teflon |
| Nozzle: | brass | brass |
How To Order
| Model | Del. Press. Range psig | Del. Press. Gauge psig | Inlet Press. Gauge psig |
|---|---|---|---|
| 3831H-015 | 0-15 | 0-30 | 0-600 |
| 3831H-050 | 0-50 | 0-100 | 0-4000 |
| 3831H-125 | 0-125 | 0-200 | 0-4000 |
| 3831H-250 | 0-250 | 0-400 | 0-4000 |
| 3831H-500 | 0-500 | 0-1000 | 0-4000 |
| 3831HL-015 | 0-15 | 0-30 | none |
| 3831HL-050 | 0-50 | 0-100 | none |
| 3831HL-125 | 0-125 | 0-200 | none |
| 3831HL-250 | 0-250 | 0-400 | none |
| 3831HL-500 | 0-500 | 0-600 | none |
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