Description / remarks: Used and in very well maintained condition: complete Bitzer freeze-pump installation consisting of the following main components: 1 frame with 2x Bitzer OSNA 461 open screw compressors, suitable for Freon/NH3 witth each a 45kW Leroy Somer E-motor, central horizontal oil separator, vertical open intercooler 0,3m³ with high/low pressure floater and switch-board, built on a frame, horizontal low pressure separator 1m³ Ø 700mm length 2500mm with 2 Hermetic liquid pumps (separator capacity with Freon is approx. 130kW at -40°C and 160kW with refrigerant NH3), air-cooled condenser and/or evaporative condenser. Mentioned cooling capacity is with refrigerant NH3 at -40°C evaporating and +35°C condensing temperature. Cooling capacity with refrigerant R507 at -40°C evaporating temperature and +40°C condensing temp. is 110kW.