1020/3A6 Solenoid Valve | 3/8″ Flare | 220–230V | Castel

1020/3A6 Solenoid Valve | 3/8″ Flare | 220–230V | Castel

The Castel 1020/3A6 Solenoid Valve is a compact and high-precision refrigeration valve designed for HVAC and cooling systems. It operates using a direct acting mechanism, making it ideal for low-capacity applications and systems where differential pressure is low or zero.

This model comes with an integrated coil (A6 version) designed for 220–230V AC operation, ensuring fast response and reliable performance. The flare connection design allows easy installation and secure integration into refrigeration circuits.

As shown in the datasheet, this valve features a direct acting design with precise flow control and compact construction suitable for tight installations .

Compatible with a wide range of refrigerants, the 1020/3A6 valve ensures durability, safety, and efficient operation in commercial and industrial environments.

Key Benefits

Direct acting operation for precise control without pressure difference
Integrated coil for 220–230V AC supply
Flare connection for easy and secure installation
Compact design for tight installation spaces
Ideal for low-capacity and precision applications
High pressure rating up to 45 bar

Specifications

Brand: Castel
Model: 1020/3A6
Product Type: Solenoid Valve

Connections
Connection Type: SAE Flare
Connection Size: 3/8″

Performance
Operating Principle: Direct acting
Flow Coefficient (Kv): 0.23 m³/h

Electrical
Coil Type: HF2
Voltage: 220–230V AC

Pressure & Temperature
Maximum Working Pressure (PS): 45 bar
Minimum Temperature: -35°C
Maximum Temperature: +110°C

Compatibility
Refrigerants:
HCFC (R22)
HFC (R134a, R404A, R407C, R410A, R507)
HFO (R1234ze)
HFO + HFC Blends (R448A, R449A, R450A, R452A, R513A, R515A, R515B)

Applications

Small refrigeration systems
HVAC systems
Capillary and low-flow systems
Precision cooling applications
Refrigeration liquid line control

FAQs

What type of operation does this valve use?
It uses a direct acting mechanism.

Does this model include a coil?
Yes, the A6 version comes with a 220–230V AC coil.

What type of connection does this valve use?
It uses a 3/8″ SAE flare connection.

Where is this valve typically used?
It is ideal for low-capacity or precision refrigeration systems.

What is the pressure rating?
It is rated up to 45 bar.