Danfoss | 061L1351
061L1351
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The 061L1351 valve belongs to the STF Reversing Valves series from Danfoss and is used in hydraulic automation circuits to redirect flow between compressor discharge and suction lines. It is built in design style B and employs ODF connections made of copper for straightforward brazing into piping. The discharge port measures 1/2 in, while both the suction port and the evaporator–condenser connections measure 5/8 in, allowing balanced line sizing across the system. A flow coefficient of 6.34 m³/h indicates the volumetric capacity through the valve body, and a minimum operating differential of 3 bar is required for dependable shift motion.
A maximum operating differential of 31 bar limits pressure imbalance across the spool, and a maximum working pressure of 45 bar permits use in high-pressure refrigerant circuits. Medium temperature capability spans from −30 °C up to 130 °C, while the surrounding ambient may reach 55 °C without derating. Internal bypass is restricted to 1500 cm³/min as a maximum leakage rate to maintain efficiency, and vibration stability is rated at 19.6 m/s² so the valve withstands compressor-borne vibration without malfunction.
Technical Specifications
Ambient Temp Max
55 °C
Connection Type
ODF
Design Style
B
Discharge Size
1/2 in
Evap/cond Size
5/8 in
Flow Coefficient
6.34 m3/h
Max Leakage
1500 cm3/min
Max Operating Diff.
31 bar
Max Working Pressure
45 bar
Medium Temp Max
130 °C
Medium Temp Min
-30 °C
Min Operating Diff.
3 bar
Process Conn Material
Copper
Suction Size
5/8 in
Vibration Stability
19.6 m/s2
1620 Old Apex Road
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