Area valves are designed to control pressure (vacuum) in the medical gas supply system, as well as to shutdown the supply in controlled sections of the pipeline.
| Model* | SU-xE | SU-xS | SU-xL |
| Type of pressure indicators (vacuum) | Mechanical pressure gauge (vacuum gauge) | Seven-segment indicator | LCD-display |
| The presence of a power supply and alarm | Yes | Yes | Yes |
| The presence of pressure sensors (vacuum) | Yes | Yes | Yes |
| The need for electrical power | Yes | Yes | Yes |
| Gas connectors, type | DIN 13260-2 | ||
| Number of pressure (vacuum) indicators, pcs. | from 1 to 6** | ||
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Gas types
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Oxygen, compressed air 4 bar, nitrous oxide, carbon dioxide, compressed air 8 bar, vacuum, etc.
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* - "x" in the model name means the amount of gases.
** - the value of this indicator depends on the gas pipelines controlled by the device.
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