STF FDF-MG High-Pressure ODF Refrigeration Solenoid Valves
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STF FDF-MG High-Pressure ODF Refrigeration Solenoid Valves
PRODUCT DESCRIPTION
STF FDF-MG series solenoid valves are high-pressure, servo pilot-operated refrigeration valves developed for R410A systems and other compatible HFC and HCFC refrigerants.
The series uses ODF solder connections and is designed for automatic control of refrigerant flow in liquid, suction and hot-gas lines. Its 45-bar maximum working pressure makes it suitable for higher-pressure refrigeration and air-conditioning applications.
KEY FEATURES
• Developed for R410A and other compatible HFC and HCFC refrigerants
• Servo pilot-operated construction
• ODF solder connections
• Suitable for liquid, suction and hot-gas applications
• Maximum working pressure of 45 bar
• Liquid-line test pressure of at least 68 bar
• Medium temperature from −40°C to +105°C
• Maximum medium temperature of +130°C during defrosting
• Ambient temperature from −40°C to +55°C
• AC and DC coil options
• UL and cUL versions available by order
GENERAL TECHNICAL DATA
| Parameter | Specification |
|---|---|
| Valve Type | Servo pilot-operated solenoid valve |
| Connection Type | ODF solder |
| Maximum Working Pressure | 45 bar |
| Liquid-Line Test Pressure | ≥68 bar |
| Medium Temperature | −40°C to +105°C |
| Maximum Defrost Temperature | +130°C |
| Ambient Temperature | −40°C to +55°C |
| Compatible Refrigerant Families | R410A and compatible HFC/HCFC refrigerants |
| Valve Body Material | Brass |
| Manufacturer | Shanghai Thermostat Factory Co., Ltd. |
| Brand | Shangheng / STF Controls |
VERIFIED MODELS
| Model and Connection | Kv Value | Approximate Dimensions |
| FDF6MG – 3/8 in ODF | 0.6 m³/h | 127 × 32 × 80 mm |
| FDF8MG – 1/2 in ODF | 1.0 m³/h | 137 × 38 × 88 mm |
| FDF10MG – 5/8 in ODF | 1.8 m³/h | 166 × 45 × 88 mm |
| FDF15MG – 3/4 in ODF | 3.0 m³/h | 174 × 52 × 96 mm |
| FDF15MG – 7/8 in ODF | 3.0 m³/h | 174 × 52 × 96 mm |
| FDF25MG – 1 1/8 in ODF | 9.8 m³/h | 236 × 72 × 119 mm |
| FDF32MG – 1 1/8 in ODF | 15 m³/h | 281 × 86 × 133 mm |
| FDF32MG – 1 3/8 in ODF | 15 m³/h | 281 × 86 × 133 mm |
APPLICATIONS
• R410A air-conditioning systems
• Commercial refrigeration systems
• High-pressure liquid lines
• Suction lines
• Approved hot-gas and defrost lines
• Heat-pump systems
• Condensing units
| Model |
FDF6MG-3/8, FDF8MG-1/2, FDF10MG-5/8, FDF15MG-3/4, FDF15MG-7/8, FDF19M1-9/8, FDF19M4-9/8, FDF25MG-11/8, FDF32MG-11/8, FDF32MG-13/8, FDF40H-17/8 |
|---|