Product details
3144W/7 Check Valve | 7/8″ ODS | Castel
The Castel 3144W/7 Check Valve is a high-performance refrigeration valve designed to allow refrigerant flow in one direction while preventing reverse flow in HVAC and industrial cooling systems. This protects compressors and critical components, ensuring system safety and efficiency.
Designed for medium-capacity systems, this valve offers reliable flow performance with low pressure drop and strong durability for demanding applications.
As shown in the datasheet, the valve provides efficient operation with low opening pressure and supports a wide range of refrigerants, including A1, A2L, and A3 types .
Key Benefits
Prevents reverse refrigerant flow
Protects compressors and system components
Optimized flow capacity for medium 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: 3144W/7
Product Type: Check Valve
Connections
Connection Type: ODS
Connection Size: 7/8″ (22 mm)
Performance
Flow Coefficient (Kv): 8.1 m³/h
Minimum Opening Differential Pressure: 0.04 bar
Pressure & Temperature
Maximum Working Pressure (PS): 50 bar
Maximum Working Pressure (MWP): 650 psi
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
Commercial refrigeration systems
HVAC systems
Cold storage systems
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 7/8″ (22 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 (650 psi).
Which refrigerants are supported?
It supports A1, A2L, and A3 refrigerants including HFC, HFO, and HC types.
