Danfoss | 180B6129
180B6129
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The 180B6129 pump from Danfoss belongs to the PAHT G High Pressure Pumps series and supplies high pressure fluid for automated hydraulic equipment. A geometric displacement of 6.3 cm³ per revolution, equal to 0.38 in³ per revolution, fixes the volume transferred each shaft turn for accurate dosing. The unit operates from a minimum 1000 rpm up to 3000 rpm, giving a broad control range. At 1000 rpm it moves 5.5 l/min, and the system must maintain at least 10 barg at the outlet to avoid cavitation. Torque demand peaks at 12.4 Nm when the outlet reaches its 100 barg limit, indicating the load on the driving motor. The housing is made from AISI 304 stainless steel for corrosion resistance, and a weight of 4.4 kg simplifies installation.
At 1500 rpm the pump delivers 8.6 l/min, a flow that matches a 2.2 kW drive motor, while applications running 1800 rpm typically use a 3.0 hp motor to supply the needed shaft power. Mechanical efficiency stands at 0.8, meaning twenty percent of input energy is lost to internal friction and leakage. The inlet side can accept up to 4 barg, so upstream components must not exceed that pressure. During continuous operation the unit generates 76 dB(A) of sound pressure, data that guides acoustic shielding and worker protection measures. These parameters define the pressure, speed, and power conditions required to integrate the 180B6129 into high pressure hydraulic circuits.
Technical Specifications
Displacement (in³/rev)
0.38 in³/rev
Flow At 1000 Rpm
5.5 l/min
Flow At 1500 Rpm
8.6 l/min
Geometric Displacement
6.3 cm³/rev
Housing Material
AISI 304
Max Inlet Pressure (peak)
4 barg
Max Outlet Pressure
100 barg
Max Speed
3000 rpm
Mechanical Efficiency
0.8
Min Outlet Pressure
10 barg
Min Speed
1000 rpm
Motor Size At 1500 Rpm
2.2 kW
Motor Size At 1800 Rpm
3.0 hp
Sound Pressure Level
76 dB(A)
Torque At Max Pressure
12.4 Nm
Weight
4.4 kg
1620 Old Apex Road
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