Product details
Oil Separator 1/2″ 5540/4 Castel
The Castel 5540/4 oil separator is engineered to enhance the efficiency and reliability of refrigeration and air-conditioning systems. Installed in the discharge line, it separates oil from high-pressure refrigerant gas and automatically returns it to the compressor crankcase. This prevents oil circulation throughout the system, ensures continuous lubrication, and supports stable operation in commercial and industrial HVAC applications.
Key Benefits
Separates oil from refrigerant discharge gas
Automatically returns oil to the compressor
Maintains proper compressor lubrication
Improves system efficiency and reliability
1/2″ connection for secure installation
Specifications
Brand: Castel
Model: 5540/4
Product Type: Oil Separator
Connection Size: 1/2″
Installation Location: Discharge line
Application: Refrigeration and air-conditioning systems
Function: Oil separation and return
Applications
Commercial refrigeration systems
Industrial cooling installations
Cold storage facilities
HVAC systems requiring oil management
FAQs
What is the function of this oil separator:
It separates oil from refrigerant gas and returns it to the compressor.
Where is it installed:
It is installed in the discharge line of refrigeration systems.
Why is oil separation important:
It ensures proper lubrication and prevents oil from circulating through the system.
Is this suitable for commercial use:
Yes, it is designed for commercial and industrial refrigeration applications.






