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The 061L1224 reversing valve belongs to the STF Reversing Valves series and is manufactured by Danfoss to automate flow direction in heat-pump and refrigeration circuits used for hydraulic automation tasks. It withstands ambient temperatures from -20 °C to 55 °C, allowing installation in outdoor condenser units. Connections are made from copper to permit reliable brazed joints, and the design style is identified as F for consistency with pipe layouts in the series. The discharge outlet uses a 22.5 mm female fitting, while the suction line interface measures 28.9 mm, supporting balanced refrigerant flow. Compatibility with R134a, R22, R404A, R407C, and R410A refrigerants makes the valve suitable for a broad range of service requirements.
The internal slide mechanism limits leakage to 6000 cm³/min, preserving system efficiency during idle periods. Operating differential pressure is controlled between 3 bar and 31 bar, enabling reliable transition between heating and cooling modes. A maximum working pressure of 41.7 bar accommodates modern high-pressure refrigerant systems. The medium temperature may range from -20 °C to 120 °C, covering both low-temperature evaporation and high-temperature discharge conditions. Mechanical durability is ensured by vibration stability rated at 19.6 m/s² and compliance with the JIS C 60068-2-27 shock resistance standard, preventing performance drift under compressor start-up and transport shocks.
Ambient Temp Max
55 °C
Ambient Temp Min
-20 °C
Compatible Refrigerants
R134a, R22, R404A, R407C, R410A
Connection Material
Copper
Design Style
F
Discharge Size
22.5 mm
Discharge Type
Female
Max Leakage
6000 cm³/min
Max Odp
31 bar
Max Working Pressure
41.7 bar
Medium Temp Max
120 °C
Medium Temp Min
-20 °C
Min Odp
3 bar
Shock Resistance Std
JIS C 60068-2-27
Suction Size
28.9 mm
Vibration Stability
19.6 m/s²
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