On 16 May, the KwaZulu-Natal centre of SAIRAC had its monthly technical meeting where everyone learned more about using propane (R290) as a refrigerant.
The talk was presented by the chairman of the South African Institute of Refrigeration and Air Conditioning (SAIRAC) KZN centre, Cyril Macquet-Maurel. There was a good turnout, according to the association.
Macquet-Maurel discussed various aspects of R290, including:
- Plant concept of maintenance components
- Chemical elements for applications as a refrigerant
- Alternative refrigerants
- Natural refrigerants
- Chemical and physical properties of hydrocarbons
- General properties of hydrocarbons
- Safety group classification
- Flammability limits
- Pressure / temperature curves
- Comparison of pressure curves
- Influence of power of electrical consumption
- Refrigerant / lubricant interaction
- Effects to plant engineering
- Comparison of refrigeration groups
- Pipe and installation diagram of propane – DIN/EN 1861
Three new members were also welcomed and received their membership certificates.
Cyril Macquet-Maurel and Grant Laidlaw, SAIRAC national treasurer.