The South African Institute of Refrigeration and Air Conditioning (SAIRAC) technical talk took place on 23 October 2018 at the Italian Club in Rugby, Cape Town.
After the centre formalities, Hannes Steyn of GEA shared his experience in ammonia refrigeration design with members and guests.
A technical talk on ammonia refrigeration system design basics was well attended.
Steyn's presentation included the following points:
- Ammonia properties and safety;
- An industrial approach to heat system design;
- Basic P&ID;
- System components – why certain products are favoured;
- Flooded evaporators; and
- System contamination.