REF (Pty) Ltd. produces a variety of high-integrity castings from 5 kg to 3 000 kg net weight. Melting takes place in four medium-frequency induction furnaces, each with a 2 t capacity.
During the casting process, test pieces are cast for metallographic examination and physical testing. Metal composition is strictly controlled and certified if required.
In the green sand plant, green sand moulding is carried out via five sets of jolt squeeze moulding machines. Moulding boxes are available from 460 mm x 230 mm up to 760 mm x 760 mm. SG and cast iron products are cast here, with castings averaging 12 kg.