Material that absorbs or releases large amounts of latent heat when changing phase (solid to liquid or vice versa) at specific temperature.
PPECB (Perishable Products Export Control Board)
Definition: Perishable Products Export Control Board. South Africa’s official food safety and quality assurance agency for perishable product exports. Provides inspection, certification, and cold chain verification services. Why It Matters: PPECB certification is mandatory for regulated perishable product exports from South Africa. PPECB-registered cold chain facilities demonstrate export compliance credentials. PPECB Services:– Export inspection and certification– Cold chain verification– Container…
Psychrometric Chart
Graphical representation of the physical and thermal properties of moist air, showing relationships between temperature, humidity, enthalpy, and other properties.
Qualified Transport
Refrigerated transport vehicles that have been validated (IQ/OQ/PQ) to consistently maintain pharmaceutical temperature requirements (+2°C to +8°C) under all operating conditions.
R2906 Regulations (Meat Safety Act)
Regulations governing meat safety under the Meat Safety Act (Act 40 of 2000), administered by DALRRD. Specific requirements for red meat and poultry transport and storage.
R638 Regulations
South African Department of Health regulations governing the transport and storage of perishable foodstuffs under the Foodstuffs, Cosmetics and Disinfectants Act (Act 54 of 1972).
R962 Regulations
General regulations for food premises under Foodstuffs, Cosmetics and Disinfectants Act. Covers hygiene, facility design, pest control, and food handling practices.
Rapid Door (High-Speed Door)
Fast-opening/closing door system for cold rooms and loading areas, minimizing infiltration heat load and temperature loss.
Reciprocating Compressor
Belt or direct-driven piston compressor, most common in small to medium transport refrigeration.
Advantages:: Simple, proven technology, easy to service, good efficiency