Product details
3132W/6 Check Valve | 3/4″ ODS | Castel
The Castel 3132W/6 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 ensures protection of compressors and key system components, improving system reliability and efficiency.
This model is ideal for small to medium-capacity systems, offering stable performance with optimized flow characteristics and durable construction 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 classes .
Key Benefits
Prevents reverse refrigerant flow
Protects compressors and system components
Reliable performance for small to medium systems
Low opening pressure for efficient operation
Wide refrigerant compatibility (A1, A2L, A3)
High pressure rating up to 50 bar (725 psi MWP)
Durable construction for long service life
Specifications
Brand: Castel
Model: 3132W/6
Product Type: Check Valve
Connections
Connection Type: ODS
Connection Size: 3/4″
Performance
Flow Coefficient (Kv): 5 m³/h
Minimum Opening Differential Pressure: 0.04 bar
Pressure & Temperature
Maximum Working Pressure (PS): 50 bar
Maximum Working Pressure (MWP): 725 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 3/4″ 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, with a maximum working pressure of 725 psi.
Which refrigerants are supported?
It supports A1, A2L, and A3 refrigerants including HFC, HFO, and HC types.
