Product details
3144W/17 Check Valve | 2-1/8″ ODS | Castel
The Castel 3144W/17 Check Valve is a high-capacity refrigeration valve designed to allow refrigerant flow in one direction while preventing reverse flow in HVAC and industrial cooling systems. This function protects compressors and key system components, ensuring stable and efficient operation.
Built for heavy-duty applications, this valve features a strong and durable construction with a large connection size, making it suitable for medium to large-capacity refrigeration systems.
As shown in the datasheet, the valve provides high flow performance with low opening pressure, ensuring efficient operation even under demanding system conditions .
Key Benefits
Prevents reverse refrigerant flow
Protects compressors and system components
High flow capacity for medium to large systems
Low opening pressure for efficient operation
Suitable for industrial and heavy-duty applications
Durable construction for long service life
Specifications
Brand: Castel
Model: 3144W/17
Product Type: Check Valve
Connections
Connection Type: ODS
Connection Size: 2-1/8″ (54 mm)
Performance
Flow Coefficient (Kv): 39 m³/h
Minimum Opening Differential Pressure: 0.04 bar
Pressure & Temperature
Maximum Working Pressure (PS): 45 bar
Maximum Working Pressure (MWP): 650 psi
Minimum Temperature: -40°C
Maximum Temperature: +150°C
Compatibility
Refrigerants:
HCFC (R22)
HFC (R134a, R404A, R407C, R410A, R507)
HFO (R1234ze)
HFO + HFC Blends (R448A, R449A, R450A, R452A, R513A, R515A, R515B)
Applications
Industrial refrigeration systems
HVAC systems
Cold storage facilities
Chiller systems
Refrigerant flow protection systems
FAQs
What is the function of this check valve?
It allows flow in one direction and prevents reverse flow.
What is the connection size?
It uses a 2-1/8″ (54 mm) ODS connection.
What is the opening pressure?
It opens at a minimum differential pressure of 0.04 bar.
What is the pressure rating?
It is rated up to 45 bar (650 psi).
Where is this valve typically used?
It is used in medium to large HVAC and refrigeration systems.







