**Product Specifications:**
Product Description:
The FDF solenoid valve is a mini-flow and normally closed type, primarily used for regulating defrosting and controlling the direction of refrigerant flow in the cooling system. It is widely applied in refrigerators, air conditioning systems, and dehumidifiers.
Specifications:
Rated Voltage: AC 220V / AC 110V / DC 24V / 50/60Hz
Max Operating Pressure: 3.0 MPa / 4.2 MPa
Fluid Compatibility: R12, R22, R502, R134A, R407C, R410A, etc.
Operating Temperature Range: -30°C to +120°C
Internal Leakage: ≤ 300 ml/min (with 2.1 MPa air)
Durability: >150,000 cycles
Coil Temperature Rise: Less than 80K
The FDF series is a compact, low-flow solenoid valve designed for precise control during defrost cycles. Key features include:
Packaging & Delivery
Each product is individually packed in a box, then placed into a larger carton for safe shipping. The delivery time is typically 15–20 days after order confirmation.
Company Introduction:
Ningbo Sanheng Refrigeration Control Co., Ltd. is located in the Xikou Industrial Park, Fenghua District, Ningbo City, Zhejiang Province. Originally known as Zhejiang Fenghua Sanshi Solenoid Valve Factory, the company has evolved over decades into a comprehensive enterprise engaged in the independent research, development, production, sales, and import-export of refrigeration automatic control components.



- Model No.: FDF-6A
- Certification: CE
- Material: Brass
- Media: Refrigerant
- Specification: CE
- Cooling Method: Direct Cooling
- Condition: New
- Port Size: 2mm ~ 6mm
- Trademark: SANHENG
- Origin: China
Product Description:
The FDF solenoid valve is a mini-flow and normally closed type, primarily used for regulating defrosting and controlling the direction of refrigerant flow in the cooling system. It is widely applied in refrigerators, air conditioning systems, and dehumidifiers.
Specifications:
Rated Voltage: AC 220V / AC 110V / DC 24V / 50/60Hz
Max Operating Pressure: 3.0 MPa / 4.2 MPa
Fluid Compatibility: R12, R22, R502, R134A, R407C, R410A, etc.
Operating Temperature Range: -30°C to +120°C
Internal Leakage: ≤ 300 ml/min (with 2.1 MPa air)
Durability: >150,000 cycles
Coil Temperature Rise: Less than 80K
The FDF series is a compact, low-flow solenoid valve designed for precise control during defrost cycles. Key features include:
- Mini-flow design for accurate control
- Compact and lightweight structure
- Multiple wiring options for flexibility
- 90-degree angle valve body for easy installation
Packaging & Delivery
Each product is individually packed in a box, then placed into a larger carton for safe shipping. The delivery time is typically 15–20 days after order confirmation.
Model | Port Size (mm) | Connection Size (mm) | O.P.D. (MPa) | Max Working Pressure (MPa) | Motion Type |
---|---|---|---|---|---|
FDF-2A | 2.0 | 6.5 | 2.1 | 3.0 | Normally Closed |
FDF-3A | 3.0 | 6.5 | 2.1 | 3.0 | Normally Closed |
FDF-6A | 5.8 | 8.0 | 2.5 | 3.0 | Normally Closed |
Company Introduction:
Ningbo Sanheng Refrigeration Control Co., Ltd. is located in the Xikou Industrial Park, Fenghua District, Ningbo City, Zhejiang Province. Originally known as Zhejiang Fenghua Sanshi Solenoid Valve Factory, the company has evolved over decades into a comprehensive enterprise engaged in the independent research, development, production, sales, and import-export of refrigeration automatic control components.



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