Used and in very good condition: complete Raffel NH3 ammonia storage freeze evaporator for pump application, equipped with hot gas defrost (hot gas pipe in insulated drip tray), equipped with 4 ventilators each 0,5 kW high revs and 0,15 kW low revs, 1400/900 RPM., 20400 m³/h., evaporator block 10mm fin space. Mentioned cooling capacity is at -30°C evaporating temperature.