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Oil Chiller

Precision Cooling for High-Temperature Applications

LNEYA Oil Chiller Systems deliver unmatched thermal stability for chemical, semiconductor, and testing industries.

KRY oil chiller

Oil Chiller Overview

The LNEYA oil chiller is designed for applications that require precise cooling of lubricating oil, hydraulic oil, or test oil during high-performance motor and equipment testing. As an advanced industrial oil cooler, it efficiently removes heat, stabilizes oil temperature, and protects system components from thermal stress. With reliable performance, compact design, and intelligent control, this industrial cooling system ensures continuous, stable operation in demanding environments such as automotive testing, power electronics, and industrial machinery.

oil chiller

Oil Chiller Features

  • Designed for High-Efficiency Equipment Testing: Closed-loop cooling system optimized for motors, generators, and variable frequency drives.
  • Dynamic Closed-Loop Control: Real-time monitoring of inlet and outlet oil temperatures for precise temperature management.
  • Automatic Flow & Heat Adjustment: Pump speed dynamically adapts to load, ensuring efficient cooling.
  • Energy Saving: Over 20% energy savings compared to fixed-speed pumps.
  • Temperature Range: 0℃ to 160℃ (varies slightly with oil viscosity).
  • Flow Adjustment: VFD (Variable Frequency Drive) for smooth flow regulation.
  • Communication Interface: CAN bus for integration with industrial systems.
  • Cooling Medium: High-temperature oil for reliable thermal management.
  • Cooling Water Interface: ZG3/4 or ZG1 connections.
  • Control & Display: 7-inch color touchscreen or PLC controller.
  • High Temperature Accuracy: ±0.3℃ for stable process control.
  • Temperature Feedback Sensor: Pt100 sensor ensures precise monitoring.
  • Compressor Type: Scroll compressors by Copeland or Songyang.
  • Refrigeration Expansion: Electronic expansion valve for precise control.
  • Evaporator: High-efficiency plate heat exchanger.
  • Circulation Pump: Durable gear pump with variable frequency vector control.

Need a custom oil cooling solution for your process?

Oil Chiller Parameter Table

ModelKRYO-A15WKRYO-A25WKRYO-A38WKRYO-A15W2SKRYO-A25W2SKRYO-A38W2S
Temp Range0℃ ~ +160℃  Different viscosity oils have different temperature ranges 
Temp control accuracy±0.3℃
Flow rate accuracy±0.2L/min
Pressure control0.2bar~2.5bar
Heating power15kW25kW38kW15kW25kW38kW
Cooling
capacity
125℃15kW  25kW  38kW15kW25kW38kW
20℃12kW  20kW  30kW12kW20kW30kW
RefrigerantR410A/R448A
Secondary refrigerantOil
Water-cooled At20℃3000L/H4200L/H6200L/H3000L/H4200L/H6200L/H

Oil Chiller Applications

Oil chillers are commonly used to cool lubricating oil in machining equipment such as milling and drilling machines.

LNEYA oil chillers are widely used in industrial applications where precise thermal management of high-temperature oils is critical. They are ideal for motor and generator testing, hydraulic system cooling, and high-speed spindle or gear testing, where stable oil viscosity and temperature control directly impact performance and reliability.
 
In manufacturing processes, oil chillers efficiently remove heat from lubricating and insulating oils in presses, injection molding machines, and extruders. They also serve as essential cooling solutions for heat transfer oils in chemical reactors, oil baths, and thermal circulation systems, maintaining consistent process temperatures while preventing overheating or thermal degradation.
 
With precise flow and temperature control, these chillers ensure optimal oil cooling, extended equipment life, and energy-efficient operation in demanding industrial environments.

FAQ

An oil chiller is a temperature control system that cools thermal or lubricating oil in industrial machinery. It circulates the oil through a closed-loop system, removing heat via a heat exchanger and compressor refrigeration cycle. This process maintains consistent oil temperature and viscosity, preventing overheating and ensuring stable machine performance.

Oil chillers are widely used in industries that rely on precise temperature control of lubricating or hydraulic oil, such as CNC machining, motor and generator testing, plastic injection molding, chemical processing, and semiconductor manufacturing. They are also essential in applications involving high-temperature heat transfer oils.

Water chillers are limited to applications below 100°C, as water boils at that point. Oil chillers, on the other hand, can handle much higher operating temperatures (up to 160°C or more) without evaporation or corrosion issues. They provide stable performance for systems that require high-temperature cooling or where water cannot be used due to contamination risks.

Oil chillers can handle a wide range of industrial oils, including hydraulic oil, spindle oil, lubricating oil, and thermal transfer oil. The key is to match the oil’s viscosity and chemical properties with the chiller’s design to ensure optimal heat exchange efficiency.

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