Raj International offers Refrigeration System with Long Service Life. Raj International is the Indian part of Tofflon which is an ISO 9001 awarded company. Raj International offers Pharmaceutical Freeze Dryer. The Refrigeration System with Long Service Life has large main valve diameter, refrigeration capacity and condenser surface area to trap a large quantity of water vapour from product in primary drying. Each compressor has an independent circuit to cool shelves or condenser. The Refrigeration System has vibration absorbers to reduce vibration and noise.