Product details
6120/44 Receiver Valve | 1/2″ Flare x 1/2″ NPT | Castel
The Castel 6120/44 Receiver Valve is a high-quality service valve designed for installation on liquid receivers in HVAC and refrigeration systems. It enables reliable shut-off and provides access for charging, servicing, and pressure control operations.
This model features a 1/2″ SAE flare connection combined with a 1/2″ NPT connection, making it ideal for standard receiver installations and system integration.
As shown in the datasheet (page 1), the valve offers stable flow performance with a Kv of 3.4 m³/h and supports standard refrigeration applications .
Key Benefits
Designed for receiver applications
Provides reliable shut-off and service access
Dual connection: Flare x NPT for flexible installation
High flow capacity for efficient operation
Compatible with common HVAC refrigerants
Durable construction for long service life
Pressure rating up to 45 bar
Specifications
Brand: Castel
Model: 6120/44
Product Type: Receiver Valve
Connections
Connection Type: SAE Flare x NPT
Flare Connection Size: 1/2″
NPT Connection Size: 1/2″
Performance
Flow Coefficient (Kv): 3.4 m³/h
Pressure & Temperature
Maximum Working Pressure (PS): 45 bar
Maximum Working Pressure (MWP): 650 psi
Minimum Temperature: -40°C
Maximum Temperature: +130°C
Compatibility
Refrigerants:
HCFC (R22)
HFC (R134a, R404A, R407C, R410A, R507)
HFO (R1234ze)
HFO + HFC Blends (R448A, R449A, R450A, R452A, R513A, R515A, R515B)
Applications
Liquid receivers
HVAC systems
Refrigeration systems
Charging and service ports
System isolation and control
FAQs
What is this valve used for?
It is used on liquid receivers for shut-off and service access.
What are the connection types?
It has a 1/2″ SAE flare and 1/2″ NPT connection.
What is the flow capacity?
It has a Kv value of 3.4 m³/h.
What is the pressure rating?
It is rated up to 45 bar (650 psi).
Can it be used without a copper gasket?
Yes, as noted in the datasheet.








