Danfoss | 180B1004
180B1004
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The 180B1004 pump is part of the PAHT G High Pressure Pumps series produced by Danfoss for hydraulic automation that demands controlled high-pressure flow. A geometric displacement of 3.2 cm³ per revolution defines the volume transferred on each shaft turn, establishing the basic capacity of the unit. When driven at 1000 rpm under maximum pressure, the pump delivers 2.0 l/min, which suits low-speed duty cycles, while 1500 rpm raises the flow to 3.6 l/min for higher throughput without exceeding pressure limits. The design allows operation up to 3000 rpm, giving rotational headroom for transient conditions, and a minimum speed of 1000 rpm secures stable running. Required drive torque reaches 6.7 Nm at peak pressure, so couplings and shafts must be sized accordingly. A motor rated at 1.1 kW at 1500 rpm supplies sufficient power for continuous duty at that point. The assembled pump weighs 4.4 kg, making it suitable for compact frames or portable skids.
An AISI 304 stainless-steel housing resists corrosion in fluid circuits and supports long service life. The pump tolerates a maximum outlet pressure of 100 barg, enabling use in high-pressure lines, while a minimum outlet pressure of 10 barg maintains a defined backpressure at the discharge port. Peak inlet pressure is limited to 4 barg, restricting the allowable boost on the supply side. An absolute filtration rating of 10 µm shields internal components from abrasive particles, and a filtration efficiency of 99.98 % at that particle size ensures the filter meets the required performance. Mechanical efficiency of 0.8 at maximum pressure sets the ratio between hydraulic output and mechanical input for power balance calculations. During full-load operation the sound pressure level is 76 dB(A), identifying the acoustic emission that must be considered in system noise assessments.
Technical Specifications
Filter Rating
10 μm abs.
Filtration Efficiency At 10 μm
99.98%
Flow At 1000 Rpm Max Press
2.0 l/min
Flow At 1500 Rpm Max Press
3.6 l/min
Geometric Displacement
3.2 cm³/rev
Housing Material
AISI 304
Max Inlet Pressure (peak)
4 barg
Max Outlet Pressure
100 barg
Max Speed
3000 rpm
Mechanical Efficiency At Max Press
0.8
Min Outlet Pressure
10 barg
Min Speed
1000 rpm
Motor Size At 1500 Rpm Max Press
1.1 kW
Sound Pressure Level
76 dB(A)
Torque At Max Outlet Pressure
6.7 Nm
Weight
4.4 kg
1620 Old Apex Road
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