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The 061L1188 unit is manufactured by Danfoss for the STF Reversing Valves series. It changes refrigerant flow direction in hydraulic automation circuits that rely on heat pump technology. The component is supplied without a coil, so actuation requires a separate solenoid. Compatibility with R134a, R22, R404A, R407C, and R410A permits its use across mixed plant inventories. A discharge connection of 8.1 mm mates with standard tubing, while the suction port measures 9.7 mm to handle greater vapor volume. Internal volume is 0.91 liters, and the net weight stands at 0.282 kilograms which aids in compact system design and straightforward handling during assembly.
Thermal throughput is characterized at two pressure drops for each supported high-pressure blend. With R407C the valve delivers 4.27 kW at a 0.1 bar condensing differential and 6.01 kW when the drop is 0.2 bar. When operated with R410A, flow capacity reaches 5.52 kW at 0.1 bar and 7.79 kW at 0.2 bar, reflecting the higher density of that refrigerant. These figures guide selection where load varies between mild and demanding operating points, ensuring the valve remains within its efficient control envelope.
Coil Included
No
Compatible Refrigerants
R134a, R22, R404A, R407C, R410A
Discharge Conn Size
8.1 mm
Net Weight
0.282 Kilogram
R407c Capacity 0.1 Bar Cond 1
4.27 kW
R407c Capacity 0.2 Bar Cond 1
6.01 kW
R410a Capacity 0.1 Bar Cond 1
5.52 kW
R410a Capacity 0.2 Bar Cond 1
7.79 kW
Suction Conn Size
9.7 mm
Volume
0.91 Liter
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