ORA O-Flow

Oil Industrial Chiller

Oil industrial chiller

Oil cooling is indispensable in a variety of applications:

  • machine tools: to control the temperature of the hydraulic oil or spindle oil, preventing deformation and resulting in better surface finish and accuracy of the finished product
  • chip-removing machines: Cooling of the cutting oil improves the life of the machine tool and allows a better surface finish of the final product.

Thanks to their configurability and high thermodynamic performance, ORA oil chillers can perfectly meet the requirements of these industrial applications.


Main Features

  • Cooling capacity between 2 and 16 kW
  • Refrigerant fluid R134a (2÷4kW); R407C (6÷16kW)
  • Non-ferrous hydraulic circuit and stainless steel plate evaporator to preserve oil quality
  • Microprocessor control programmable with proprietary software
  • OA piston scroll compressors
  • Fully configurable units with numerous options and accessories
  • Compact design suitable for installation in small spaces close to the machine tool
  • Structure designed for handling by eyebolts
  • Axial fans with speed control (optional)
  • 10 bar gear pump (optional)
  • Zero oil pressure gauge – 25 bar in glycerine
  • Automatic hydraulic bypass valve set at 10 bar
  • The structure and design ensure complete accessibility to internal components for easy maintenance





Available versions

  • Direct exchange version with plate evaporator
  • Direct exchange version with plate evaporator and gear pump


ORA Process Chillers do not fall under the applicability of the regulations MT (Medium Temperature – EU 2015/1095) and HT (High Temperature – EU 2016/2281).
The working range of the chilled fluid: +13°C ÷ +30°C

Due to its characteristics, the use of ORA is particularly suitable in the following applications:



Machine Tools


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