Series DC 280-380 Dual-Stage
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Rotarex
Series DC 280-380 Dual-Stage
Model DC280-380 · Dual Stage Cylinder Regulators
High-pressure regulator dual-stage diaphragm technology + cartridge.
Maximum Inlet Pressure200 / 300 bar versions
Setting Range1.5 / 4 / 10 / 16 / 35 bar versions
In/Out Connections1/4 in NPT inlet and outlet
Gas CompatibilityOxygen service on the brass and stainless steel versions
Key features
- Dual stage cartridge seat design
- Outlet settings 1.5 to 35 bar by version
- Flow coefficient Cv 0.06
- Suited to gas chromatography and calibration gas
- Oxygen use with brass and stainless steel versions
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Technical selection support before you order
A dual stage cylinder regulator on the same cartridge seat technology as the SC series, for pure, inert and corrosive gases in analytical instrumentation, gas chromatography, carrier gas and calibration gas duties. Inlet versions are rated 200 and 300 bar, outlet settings run 1.5 to 35 bar by version, and the flow coefficient is Cv 0.06. The diaphragm is Hastelloy, the seat PCTFE, and both brass and stainless steel versions are suitable for oxygen. The ATEX compliant handwheel and optional shut off valve are shared across the cartridge range.
Specification
| Maximum Inlet Pressure | 200 / 300 bar versions |
|---|---|
| Setting Range | 1.5 / 4 / 10 / 16 / 35 bar versions |
| In/Out Connections | 1/4 in NPT inlet and outlet |
| Gas Compatibility | Oxygen service on the brass and stainless steel versions |
| Stages | dual stage |
| Temperature | -40 to +60 C |
| Weight | about 1.5 kg |
| Cv | 0.06 |
| Seat Material | PCTFE |
| Technology | cartridge seat, Hastelloy diaphragm |
Gases
OxygenHydrogen
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