Danfoss | 180B0089
180B0089
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The 180B0089 pump is produced by Danfoss for the PAH Displacement Pumps series and is intended for hydraulic automation where consistent high-pressure water delivery is required. It uses a positive displacement design that moves 90 cm³ of fluid per revolution to keep volumetric output predictable. Safe operation starts at a minimum shaft speed of 700 rpm, while the manufacturer defines 1000 rpm as the lowest continuous duty speed to protect internal bearings. The rotating group can reach 1800 rpm, giving flexibility for variable speed drives. At 1000 rpm the pump supplies 77.6 l/min, and increasing the speed to 1500 rpm raises the flow to 122.6 l/min for larger actuating demands. When driven at the 1800 rpm ceiling, flow reaches 38.9 gpm in installations that prefer imperial units. All wetted components are machined from AISI 316 stainless steel or a superior grade so that aggressive media do not cause corrosion.
For pressure regulation tasks the pump maintains discharge above 30 barg and withstands peaks up to 160 barg, while the inlet side tolerates surges to 20 barg. A torque requirement of 246.6 Nm appears at the maximum outlet pressure, so the drive train must be sized accordingly. When the shaft turns at 1500 rpm the associated motor must deliver 45 kW, and raising the speed to 1800 rpm increases the demand to 75 hp, outlining the power curve for system engineers. Acoustic output is measured at 81 dB(A), confirming that sound shielding may be necessary in compact equipment rooms. The complete assembly weighs 34 kg, allowing a single technician to position the unit during skid fabrication without lifting machinery.
Technical Specifications
Continuous Min Speed
1000 rpm
Displacement
90 cm³/rev
Flow At 1000 Rpm (max P)
77.6 l/min
Flow At 1500 Rpm (max P)
122.6 l/min
Flow At 1800 Rpm (max P)
38.9 gpm
Housing Material
AISI 316 or higher
Max Outlet Pressure
160 barg
Max Speed
1800 rpm
Min Outlet Pressure
30 barg
Min Speed
700 rpm
Motor Power At 1500 Rpm (max P)
45 kW
Motor Power At 1800 Rpm (max P)
75 hp
Peak Inlet Pressure
20 barg
Sound Pressure Level
81 dB(A)
Torque At Max Outlet Pressure
246.6 Nm
Weight
34 kg
1620 Old Apex Road
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