Model range RCA45 — Batch 45kg RC500i — Batch 500kg RC1250i — Batch 1250kg RC2000i — Batch 2000kg RC3000i — Batch 3000kg RC3000Di — Batch 3000kg Duplex RC5000i — Batch 5000kg RC5000Di — Batch 5000kg Duplex Standard and Duplex cross section Longer cylinder arrangement Smaller diameter Larger surface area Better thermal conductivity Shorter cycle times Effective removal of volatiles, acidity and moisture Standard Cross Section Duplex Cross Section