Overview
Liquid oxygen coming from the liquid oxygen tank is converted into gas with the help of the evaporators, and the line pressure at the end of the evaporators is 15 bar. The liquid oxygen converter unit is the unit used for adjusting the pressure into the 4-5 bar range before entering the hospital at the last stage. Without it, the pipeline would see the full cryogenic system pressure, so the converter is what makes a LOX source compatible with ward-level equipment and terminal units.
The unit is built as a panel carrying oxygen compatible high flow regulators sized for the flow a large hospital draws, together with the isolating valves and gauges needed to operate and monitor it. A backup system doubles the regulating line so that one side can be isolated for service or a regulator fault without dropping the pipeline pressure, which is a requirement for any single-source installation feeding critical areas.
The converter unit integrates with the cylinder manifold system, so the LOX line and the reserve manifold can be brought together in one controlled changeover arrangement; on the Deluxe manifold the liquid tank can be selected as the third source in the alarm control unit. Tecnomed liquid oxygen conversion units are produced in accordance with HTM 02-01, MDD 93/42/EEC, EN ISO 7396-1 and ISO 13485 standards.
Key features
- Reduces 15 bar evaporator line pressure to the 4-5 bar pipeline value
- Oxygen compatible high flow regulators
- Backup system for uninterrupted supply during service
- Integration to the cylinder manifold system
- Panel-mounted assembly with isolating valves and gauges
- Final pressure stage before the gas enters the hospital
- Produced under HTM 02-01, MDD 93/42/EEC, EN ISO 7396-1 and ISO 13485
Technical specifications
Liquid Oxygen Converter Unit (TEC51.33)
| Parameter | Value |
|---|---|
| Inlet Pressure | 15 bar (evaporator outlet line pressure) |
| Outlet Pressure | 4 - 5 bar |
| Regulators | Oxygen compatible high flow regulators |
| Redundancy | Backup system |
| Integration | Cylinder manifold system |
| Converter Capacity Range | 300 m³/h - 800 m³/h according to LOX tank volume |
Models and product codes
| Product code | Models and product codes |
|---|---|
TEC.51.33 | Liquid Oxygen Converter Unit – 15 bar to 4-5 bar reduction with backup system |
Options and accessories
- Converter capacity of 300 m³/h or 800 m³/h to match the LOX tank
- Backup regulating line
- Integration to a cylinder manifold supply unit as reserve source
- Deluxe manifold control with the liquid tank as third source
Frequently asked questions
Why is a converter unit needed after the evaporators?
The line pressure at the end of the evaporators is 15 bar, far above what hospital terminal units and equipment accept. The liquid oxygen converter unit adjusts that pressure into the 4-5 bar range before the gas enters the hospital, making it the last stage of the LOX source.
What happens if a regulator fails?
The unit includes a backup system, a second regulating line that can carry the flow while the first is isolated. That allows regulator service or fault replacement without interrupting oxygen supply to the wards.
Can it work together with a cylinder manifold?
Yes. Integration to the cylinder manifold system is a standard feature, and the Deluxe manifold alarm control unit can take the liquid tank as a third source. This is the usual way of providing the reserve source in an EN ISO 7396-1 installation.
