Universal Refrigerant Solenoid Valve Stable Flow Control Valve for Cooling Equipment
Product brief description
High-precision refrigeration solenoid valve specially designed for HVAC and refrigerant pipeline systems. Featuring sensitive electromagnetic induction, accurate automatic on-off control and excellent pressure resistance. It effectively regulates refrigerant flow, ensures stable system operation and prevents pipeline backflow. Ideal for air conditioners, cold storage, display showcases and commercial refrigeration equipment OEM and replacement projects.
Product detailed description
High-Stability Refrigeration Solenoid Valve for HVAC Pipeline Systems
Our solenoid valve is a core automatic control component for refrigeration and HVAC pipeline systems. Adopting high-precision electromagnetic coil and anti-corrosion valve body structure, this valve realizes precise switch control of refrigerant flow through electromagnetic induction. With sensitive response, stable performance and strict pressure resistance testing, it accurately matches the operating logic of various cooling systems and becomes an essential control accessory for modern refrigeration equipment.
Precision Flow Control & System Stability Protection
The optimized electromagnetic drive structure ensures fast and accurate opening and closing actions. It can timely cut off and connect refrigerant pipelines according to system operating status, effectively controlling flow rate and pressure balance. It avoids abnormal pipeline backflow, liquid hammer and pressure fluctuation problems, maintaining stable refrigeration efficiency and improving overall system operation safety.
Pressure Resistant & Leak-Proof Valve Body Structure
The valve body adopts high-strength copper alloy or industrial-grade wear-resistant material, with integral forming and precision sealing process. It has strong pressure resistance and structural stability, adapting to high-pressure and variable-temperature working environments of refrigeration systems. The tightly fitted internal sealing components ensure zero leakage during long-term closed and open state operation.
Sensitive Response & Low Energy Consumption
The high-quality enameled wire electromagnetic coil features strong magnetic conductivity, fast response speed and stable driving force. It realizes instant switch action without delay or jamming. Meanwhile, the coil runs with low heat generation and low power consumption, supporting long-term continuous working state and reducing equipment operating energy loss.
Wide Refrigerant & Voltage Compatibility
This solenoid valve is compatible with mainstream refrigerants including R134a, R600a, R404a and R410a, with no chemical reaction or corrosion. Multiple voltage specifications such as 12V, 24V, 110V and 220V are optional, fully matching household and commercial refrigeration equipment power supply standards with strong universal adaptability.
Durable Structure & Long Service Life
Internal moving parts adopt wear-resistant and high-temperature resistant materials, with excellent fatigue resistance after frequent switching. The fully sealed coil structure effectively isolates moisture, dust and oil pollution, preventing short circuit and aging damage. It maintains stable control performance after long-term cyclic operation with ultra-low failure rate.
Easy Installation & Wide Application
Standard pipeline interface and compact structural design simplify on-site docking and fixing procedures. It is suitable for new equipment assembly and old pipeline system renovation and replacement. Widely applied in central air conditioning units, cold storage engineering, supermarket display cabinets and industrial refrigeration equipment, popular in global bulk wholesale and export supporting markets.


Product Specifications
RTKF Improved Solenoid Valve
Model |
Operating Principles |
Port Size(mm) |
Connection Size |
Opening Pressure Differential(bar) |
Dimension(mm) |
|||||||
SAE(in) |
Welding/ODF |
Min |
Max |
|||||||||
in. |
Mn |
in. |
Mn |
|
A.C |
D.C |
Length |
Width |
Height |
|||
RTKF2-02 |
Direct Acting |
2.5 |
1/4‘’ |
6 |
|
|
0 |
25 |
19 |
71 |
31 |
82 |
RTKF2-02S |
|
|
1/4‘’ |
6 |
|
|
|
112 |
31 |
82 |
||
RTKF3-03 |
3 |
3/8‘’ |
10 |
|
|
|
|
|
78 |
31 |
82 |
|
RTKF3-03S |
|
|
|
3/8‘’ |
10 |
|
|
|
112 |
31 |
82 |
|
RTKF7-03 |
Diaphragm Pliot Operated |
7 |
3/8‘’ |
10 |
|
|
0.05 |
28 |
|
82 |
33 |
90 |
RTKF7-03S |
|
|
|
3/8‘’ |
10 |
|
|
|
114 |
33 |
90 |
|
RTKF7-04 |
|
1/2‘’ |
12 |
|
|
|
|
|
85 |
33 |
90 |
|
RTKF7-04S |
|
|
|
1/2‘’ |
12 |
|
|
|
118 |
33 |
90 |
|
RTKF8-03 |
8 |
3/8‘’ |
10 |
|
|
|
|
17 |
106 |
45 |
97 |
|
RTKF8-03S |
|
|
|
3/8‘’ |
10 |
|
|
|
125 |
45 |
97 |
|
RTKF10-04 |
10 |
1/2‘’ |
12 |
|
|
|
|
|
106 |
45 |
97 |
|
RTKF10-04S |
|
|
|
1/2‘’ |
12 |
|
|
|
125 |
45 |
97 |
|
RTKF13-05 |
13 |
5/8‘’ |
16 |
|
|
|
|
|
115 |
45 |
97 |
|
RTKF13-05S |
|
|
|
5/8‘’ |
16 |
|
|
|
159 |
45 |
97 |
|
RTKF16-06 |
16 |
3/4‘’ |
19 |
|
|
|
|
|
127 |
52 |
110 |
|
RTKF16-06S |
|
|
|
3/4‘’ |
19 |
|
|
|
190 |
52 |
110 |
|
RTKF19-07S |
19 |
|
|
7/8‘’ |
22 |
|
|
|
195 |
58 |
117 |
|
RTKF27-09S |
27 |
|
|
1-1/8‘’ |
28 |
|
|
|
256 |
72 |
120 |
|
RTKF27-10S |
|
|
|
1-1/4‘’ |
32 |
|
|
|
|
|
|
|
RTKF27-11S |
|
|
|
1-3/8‘’ |
35 |
|
|
|
|
|
|
|
FAQ
Q1: What is a refrigeration solenoid valve used for?
A: The solenoid valve is an automatic control component for refrigeration pipelines. It controls the on-off and flow of refrigerant through electromagnetic induction, prevents refrigerant backflow and liquid hammer, stabilizes system pressure, and ensures safe and efficient operation of refrigeration and HVAC systems.
Q2: Which refrigerants and voltages does it support?
A: It is compatible with mainstream refrigerants such as R134a, R600a, R404a and R410a. Multiple voltage options including 12V, 24V, 110V and 220V are available to meet different household and commercial refrigeration equipment power supply requirements.
Q3: Why is the solenoid valve important for cooling systems?
A: It realizes intelligent pipeline switching and flow regulation. It can automatically cut off the pipeline when the compressor stops to avoid liquid backflow and compressor liquid strike failure, effectively protecting core equipment and greatly reducing system maintenance risks.
Q4: Does the valve have leakage or slow response issues?
A: No. All products pass 100% high-pressure air tightness test and switch sensitivity test. The precision sealing structure ensures zero leakage, and the high-sensitivity coil guarantees fast and accurate opening and closing without delay or jamming.
Q5: Can you customize specifications and sizes?
A: Full customization is supported. We provide multiple pipe diameters, interface types and voltage specifications. Special structural sizes and performance parameters can be customized according to customer pipeline and equipment demands for OEM and ODM orders.
Q6: Is the solenoid valve durable for frequent switching?
A: Absolutely. Adopting wear-resistant internal parts and heat-resistant coil structure, it supports frequent cyclic switching and long-term continuous operation. It features low heat generation, stable performance and strong aging resistance for long-term industrial use.
Q7: Is installation and replacement simple?
A: Yes. The compact body and standard universal interface design enable quick pipeline docking and fixing. No complicated debugging is required after installation, which effectively saves assembly and after-sales maintenance time and labor cost.
Q8: What is your packaging and shipping solution?
A: Each solenoid valve is individually packed with dustproof and shockproof protection to avoid coil damage and interface extrusion. Bulk export orders adopt reinforced cartons and wooden pallets, suitable for long-distance sea freight and global transportation.
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