Danfoss | 180B6191
180B6191
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The 180B6191 pump is manufactured by Danfoss and belongs to the PAHT G High Pressure Pumps series for hydraulic automation circuits that require consistent high-pressure delivery. Its maximum rotational speed is 1250 rpm, enabling a volumetric flow of 354.2 l/min when the discharge is held at rated load. The pump’s geometric displacement is 308 cm³ per revolution, providing predictable dosing for metered applications. During full-pressure operation it demands 661.3 Nm of drive torque, a figure used to select a suitable prime mover. A sound pressure level of 87 dB(A) defines the acoustic environment for equipment housings. An NBR sealing package contains the process fluid, and an AISI 316 stainless-steel valve body resists corrosion in seawater or chemical washdown areas. The design supports media temperatures up to 50 °C without performance loss.
For partial-load conditions the unit runs at 450 rpm, supplying 107.8 l/min, and this speed is the absolute minimum allowed, while 700 rpm is specified as the lowest continuous value to maintain stable lubrication. The outlet port can be pressurized up to 120 barg, with flow control remaining reliable down to a minimum of 30 barg. Suction requirements allow a continuous inlet pressure from 2 barg to 6 barg, and the housing tolerates peaks up to 10 barg during transient starts or line shocks, preventing cavitation and ensuring plunger longevity. These limits coordinate with the previously stated performance data to integrate the pump safely into high-pressure hydraulic systems.
Technical Specifications
Flow At 1250 Rpm At Max Pressure
354.2 l/min
Flow At 450 Rpm At Max Pressure
107.8 l/min
Geometric Displacement
308 cm³/rev
Max Inlet Pressure (cont.)
6 barg
Max Media Temperature
50 °C
Max Outlet Pressure
120 barg
Max Speed
1250 rpm
Min Continuous Speed
700 rpm
Min Inlet Pressure (cont.)
2 barg
Min Outlet Pressure
30 barg
Min Speed
450 rpm
Peak Inlet Pressure
10 barg
Seal Material
NBR
Sound Pressure Level
87 dB(A)
Torque At Max Pressure
661.3 Nm
Valve Body Material
AISI 316
1620 Old Apex Road
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