Danfoss | 061L1345
061L1345
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The 061L1345 reversing valve belongs to the STF Reversing Valves series from Danfoss and directs suction and discharge flow paths in hydraulic automation circuits. The unit tolerates a maximum working pressure of 49 bar, enabling operation in high-pressure heat pump loops. Its mechanism initiates changeover once the differential reaches the minimum OPD of 3 bar. The discharge port uses a 28.5 mm male connection, while the suction port measures 41.7 mm; both interfaces attach to copper lines because the process connections are made of copper. The assembly withstands vibration levels up to 19.6 m/s², limiting fatigue in mobile or rooftop equipment.
Operating limits cover ambient air from −30 °C to 55 °C, letting the valve function in cold storage or warm plant rooms. Refrigerant or oil passing through the valve can range from −30 °C to 160 °C, accommodating defrost cycles and high-temperature discharge gas. External leakage is capped at 10 000 cm³/min to minimize charge loss. The slide will fully shift when the differential pressure reaches its maximum OPD of 31 bar, protecting the seats from excessive force. These thresholds define the valve’s performance envelope and ensure reliable reversing service across its pressure and temperature range.
Technical Specifications
Ambient Temperature Max
55 °C
Ambient Temperature Min
-30 °C
Discharge Connection Size
28.5 mm
Discharge Connection Type
Male
Max Leakage
10000 cm³/min
Maximum Opd
31 bar
Maximum Working Pressure
49 bar
Medium Temperature Max
160 °C
Medium Temperature Min
-30 °C
Minimum Opd
3 bar
Process Connection Material
Copper
Suction Connection Size
41.7 mm
Vibration Stability
19.6 m/s²
1620 Old Apex Road
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