Product details
1079/7S Solenoid Valve | 7/8″ ODS | Without Coil | Castel
The Castel 1079/7S Solenoid Valve is a high-performance refrigeration valve designed for HVAC and industrial cooling systems. It operates using a diaphragm (membrane) pilot-operated mechanism, ensuring smooth and efficient control of refrigerant flow.
This model is supplied without a coil (S version), allowing flexibility to choose the appropriate coil based on system requirements and voltage compatibility. Its compact design makes it ideal for small to medium-capacity refrigeration systems.
Compatible with a wide range of refrigerants, the 1079/7S valve delivers reliable performance, durability, and long service life in commercial and industrial environments.
Key Benefits
Diaphragm (membrane) pilot-operated design for smooth operation
Supplied without coil for flexible configuration
Compatible with multiple coil types and voltages
Compact design for small to medium-capacity systems
Supports a wide range of refrigerants (HCFC, HFC, HFO blends)
High pressure rating up to 45 bar
Specifications
Brand: Castel
Model: 1079/7S
Product Type: Solenoid Valve
Connections
Connection Type: ODS
Connection Size: 7/8″ (22 mm)
Performance
Operating Principle: Diaphragm (membrane) pilot operated
Flow Coefficient (Kv): 2.61 m³/h
Electrical
Coil: Not included
Compatible Coil Types: HF2, HF3, HF4, HM2, HM3, HM4, CM2
Pressure & Temperature
Maximum Working Pressure (PS): 45 bar
Minimum Temperature: -35°C
Maximum Temperature: +105°C
Compatibility
Refrigerants:
HCFC (R22)
HFC (R134a, R404A, R407C, R410A, R507)
HFO (R1234ze)
HFO + HFC Blends (R448A, R449A, R450A, R452A, R513A, R515A, R515B)
Applications
Commercial refrigeration systems
HVAC systems
Chiller systems
Cold storage facilities
Refrigeration liquid line control
FAQs
Does this valve include a coil?
No, this is the S version supplied without a coil.
What type of operation does this valve use?
It uses a diaphragm (membrane) pilot-operated mechanism.
What is the connection size?
It uses a 7/8″ (22 mm) ODS connection.
Which coils are compatible?
It supports HF2, HF3, HF4, HM2, HM3, HM4, and CM2 coil types.
What refrigerants is it compatible with?
It supports HCFC, HFC, HFO, and blended refrigerants.









