R290 is a future-proof natural refrigerant which offers several advantages:
- Low Global Warming Potential (GWP)
- Flow temperatures of 75 °C and is therefore suitable for renovations with radiators
R290 is considered highly flammable and according to DIN EN60335-2-40, therefore it must be ensured that no refrigerant agents enters the building via the secondary circuit – special safety measures must be taken.
Besides that, these are a few issues that the R290 encounters today:
- Double-Walled Heat Exchanger
- Expensive, Low Efficiency, Heavy, Voluminous
- Automatic deaerator in heating circuit
- Existing deaerators do not manage to remove all gas bubbles effectively
- Risk of mechanical deaerator malfunction due to wear
- Deaerators cannot remove the gas from the system quick enough if there is a large leak in accordance with DIN EN 60335-2-40 (25 %/min)
- Avoidance of leaks through e.g. anti-freeze mechanisms
- Properties of heat transfer fluid or brine must be considered
- Filling of system is outside manufacturer‘s control
Allengra offers you a solution to be on the safe side by testing the performance of the deaerator not only with air but with propane.
The Kit is composed out of:
- Flowmeter with bubble detection (including pressure and temperature metering)
- Control Valve for flow regulation
- In-water propane detector
- GUI for evaluation of results
Functionalities:
- All kinds of deaerators can be tested in a very simple and efficient way, simulating different working situations
- By controlling the flow and the bubble content in the media a correct design of the deaerator can be assured
Allengra offers you the kit starting from 900l/h (for smaller installations), scalable to 4000l/h.
On request, Allengra can deliver:
- Tests results with different deaerators
- Detailed description of the kit
- Commercial offer
