NBC Filters supplies a comprehensive range of Castel components for refrigeration, air conditioning and fluid control systems used in marine, port, shipyard and industrial applications.
Castel components are designed for professional refrigeration and HVAC systems where operational continuity, safety and accurate fluid control are essential.

Typical applications include on-board refrigeration systems, refrigerated storage areas, machinery spaces and marine HVAC systems, as well as refrigeration and air conditioning equipment installed in port and industrial facilities.
Castel Product Range Available from NBC Filters
NBC Filters can supply Castel components for professional refrigeration and HVAC applications, including:
- Solenoid valves
- Expansion valves
- Check valves
- Pressure regulators
- Refrigeration system protection devices
- Oil control systems
- Shut-off valves
- Vibration absorbers
- Safety devices
The Castel product range covers key components used for refrigerant control, pressure management, system protection and maintenance in refrigeration and air conditioning systems.
Marine and Port Applications
Castel refrigeration and HVAC components can be used in a wide range of marine, port and industrial applications, including:
- Marine refrigeration systems
- On-board refrigeration
- Cold rooms for cargo ships and ferries
- Marine HVAC systems
- Ship air conditioning systems
- Shipyards
- Port terminals
- Industrial refrigeration systems
- Cold storage and food preservation systems
- Machinery spaces and refrigeration plant rooms
These components can support both new installations and the maintenance of existing refrigeration and HVAC equipment where reliable fluid control and system protection are required.

Reliable Components for Maintenance, Retrofit and System Upgrades
NBC Filters supports shipowners, shipyards, maintenance companies and technical operators in selecting Castel components suitable for scheduled maintenance, retrofit projects and upgrades of existing refrigeration and HVAC systems.
With more than 70 years of experience in the industrial and marine sectors, NBC Filters can provide technical support in identifying suitable components for specific applications, helping operators maintain system continuity and reduce equipment downtime.
For maintenance or retrofit requirements, NBC Filters can also assist with the identification of the required Castel component based on the application, system characteristics or available product reference.
