Product details
SF411/9C Mechanical Filter Shell | 1-1/8″ ODS | Castel
The Castel SF411/9C Mechanical Filter Shell is a high-performance replaceable cartridge filter housing designed for compressor suction line protection in HVAC and refrigeration systems. It allows easy replacement of the internal filter element (cartridge), ensuring efficient maintenance and long-term system reliability.
This model is specifically used to protect compressors by capturing solid contaminants before they enter the system.
As shown in the datasheet (page 1), the filter shell is designed for suction line applications and supports replaceable cartridge type 4495/C, providing effective filtration performance .
Key Benefits
Protects compressor from solid contaminants
Replaceable cartridge design for easy maintenance
High filtration surface for efficient performance
Reliable operation in suction line applications
Durable construction for long service life
Suitable for HVAC and refrigeration systems
Specifications
Brand: Castel
Model: SF411/9C
Product Type: Mechanical Filter Shell
Connections
Connection Type: ODS
Connection Size: 1-1/8″
Performance
Cartridge Type: 4495/C
Filtering Surface: 820 cm²
Pressure & Temperature
Maximum Working Pressure (PS): 47 bar
Maximum Working Pressure (MWP): 600 psi
Minimum Temperature: -40°C
Maximum Temperature: +80°C
Compatibility
Refrigerants:
HCFC (R22)
HFC (R134a, R404A, R407C, R410A, R507)
HFO (R1234ze)
HFO + HFC Blends (R448A, R449A, R450A, R452A, R513A, R515A, R515B)
Applications
Compressor suction line protection
HVAC systems
Commercial refrigeration systems
Industrial refrigeration systems
Systems requiring mechanical filtration
FAQs
What is this filter shell used for?
It protects compressors by filtering solid contaminants in the suction line.
Is the filter element replaceable?
Yes, it uses a replaceable cartridge (type 4495/C).
What is the connection size?
It uses a 1-1/8″ ODS connection.
What is the filtering surface area?
It provides 820 cm² filtration surface.
What is the pressure rating?
It is rated up to 47 bar (600 psi).







