Danfoss | 180B0020
180B0020
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The 180B0020 displacement pump belongs to the PAH Displacement Pumps series and is produced by Danfoss for hydraulic automation circuits where reliable positive displacement is required. With a geometric displacement of 25 cm³ per revolution, the unit delivers 20.6 liters per minute when driven at 1000 rpm and rises to 33.2 liters per minute at 1500 rpm, supporting predictable flow scaling in variable-speed systems. A permitted operating window that starts at 700 rpm and extends to a maximum of 2400 rpm allows integration with electric or engine prime movers across a broad speed range. When the outlet is loaded to its rated peak, the drive shaft must deliver 69.2 N·m of torque, which assists designers in selecting an appropriately sized motor or gearbox. During operation, the pump produces a sound pressure of 79 dB(A), and its 19 kg mass simplifies mounting on compact power units without excessive structural reinforcement.
For pressure management, the pump accepts inlet peaks up to 20 bar g and sustains outlet pressures between 30 bar g and the rated ceiling of 160 bar g, so it can feed accumulators or cylinders that require high working pressure with a defined minimum backpressure. Continuous duty is guaranteed at 1000 rpm or above, providing stable performance in closed-loop hydraulic systems that rely on constant flow. The casing withstands ambient temperatures from 0 °C to 50 °C, and the internal materials allow media temperatures from 2 °C up to 50 °C, enabling use with cool water-glycol or similar low-viscosity fluids in industrial environments. These limits help planners match the pump with filtration and cooling equipment while staying inside the safe thermal envelope of the PAH series.
Technical Specifications
Ambient Temp Max
50 °C
Ambient Temp Min
0 °C
Flow At 1000 Rpm
20.6 l/min
Flow At 1500 Rpm
33.2 l/min
Geometric Displacement
25 cm³/rev
Max Inlet Pressure Peak
20 barg
Max Outlet Pressure
160 barg
Max Speed
2400 rpm
Media Temp Max
50 °C
Media Temp Min
2 °C
Min Continuous Speed
1000 rpm
Min Outlet Pressure
30 barg
Min Speed
700 rpm
Sound Pressure Level
79 dB(A)
Torque At Max Outlet Pressure
69.2 Nm
Weight
19 kg
1620 Old Apex Road
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