Product details
The Castel 2220/4E thermostatically controlled expansion valve is developed to regulate refrigerant flow precisely within refrigeration and air conditioning systems. Designed with 3/8″ x 1/2″ connections, the valve automatically adjusts refrigerant supply according to system demand, ensuring efficient evaporator operation and overall system stability. Its robust construction and accurate thermal response make it suitable for professional installation, servicing, and maintenance of commercial and industrial cooling systems.
Key Benefits
Thermostatic control enables precise refrigerant flow regulation
Supports efficient cooling and evaporator performance
Durable construction suitable for professional applications
Improves system stability and operational reliability
Suitable for refrigeration and air conditioning installations
Specifications
Product Type: Thermostatic Expansion Valve
Model: 2220/4E
Connection Size: 3/8″ x 1/2″
Category: Refrigeration Valves & Accessories
Sub-Category: Solenoid Valves
Application: Refrigeration and air conditioning systems
Control Type: Thermostatically controlled
Brand: Castel
Applications
Commercial refrigeration systems
Air conditioning system installations
Cold storage and cooling systems
Professional HVAC servicing and maintenance operations
FAQs
What is the purpose of the 2220/4E expansion valve?
It regulates refrigerant flow to maintain proper evaporator performance and system efficiency.
Is this valve suitable for air conditioning systems?
Yes, it is compatible with both refrigeration and air conditioning installations.
What are the connection sizes of this valve?
The valve features 3/8″ x 1/2″ connections for standard system compatibility.
Does thermostatic control improve cooling efficiency?
Yes, automatic flow adjustment helps maintain stable and efficient cooling operation.
Is it suitable for professional servicing and installation work?
Yes, it is designed for professional HVAC installation and maintenance use.






