Product details
3124N/17 Check Valve | 2-1/8″ ODS | Castel
The Castel 3124N/17 Check Valve is a high-capacity refrigeration valve designed to ensure one-directional refrigerant flow in HVAC and industrial cooling systems. It prevents reverse flow, protecting compressors and critical components while maintaining system efficiency and reliability.
This model is built for large-capacity systems and features a robust design with excellent flow performance, making it suitable for demanding industrial applications.
As shown in the datasheet, the valve provides high flow capacity with low opening pressure and supports a wide range of refrigerants including A1, A2L, and A3 classes .
Key Benefits
Prevents reverse refrigerant flow
Protects compressors and system components
High flow capacity for large systems
Low opening pressure for efficient operation
Wide refrigerant compatibility (A1, A2L, A3)
High pressure rating up to 50 bar
Durable construction for long service life
Specifications
Brand: Castel
Model: 3124N/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): 50 bar
Minimum Temperature: -40°C
Maximum Temperature: +150°C
Compatibility
Refrigerants:
HFC (R134a, R32, R404A, R407C, R410A, R507)
HFO (R1234yf, R1234ze)
HFO + HFC Blends (R448A, R449A, R450A, R452A, R452B, R454A, R454B, R454C, R455A, R513A, R515A, R515B)
HC (R290, R600, R600a, R1270)
Applications
Industrial refrigeration systems
Large HVAC systems
Cold storage plants
Chiller systems
Refrigerant flow protection systems
FAQs
What is the function of this check valve?
It allows refrigerant 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 50 bar.
Which refrigerants are supported?
It supports A1, A2L, and A3 refrigerants including HFC, HFO, and HC types.
