Modular Spiral Plants.
Portaclone were pioneers in the design and installation of spiral plants in the South African coal industry. The first fully operational plant being installed in the early 1980's. Portaclone prefer to offer two stage spiral plants with interstage hydrocycloning to improve overall desliming and flow control to the secondary spirals.
Portaclone have a large number of standard modular spiral plants available for various capacities.
Modular designs utilizing the multi-stage spiral which is presently gaining popularity in South Africa, are also available.