Danfoss | 180B0037
180B0037
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The 180B0037 displacement pump belongs to the PAH Displacement Pumps series and is produced by Danfoss for water-hydraulic automation that needs steady volume transfer. Its housing is made from AISI 304 so the wetted parts resist corrosion, and the fixed displacement of 32 cm³ per revolution establishes a repeatable flow rate with every shaft turn. A 1 1/4 in inlet port admits the supply fluid, a 3/4 in outlet port directs the pressurized stream to the circuit, and a 1/4 in drain port returns bypass fluid to protect internal seals. The pump can deliver up to 55.6 l/min to match medium-capacity actuators, while a speed window of 700 rpm to 1800 rpm lets variable-frequency drives adjust output without causing cavitation or mechanical overload.
At those speeds the inlet side can be supplied at up to 4 barg, and the outlet side maintains pressures from 30 barg to 160 barg so designers can cover both low-pressure rinsing and high-pressure cutting tasks. An NBR seal retains the working fluid and keeps contaminants out under these conditions. The unit operates in ambient temperatures up to 50 °C and handles media temperatures from 2 °C to 50 °C, making it suitable for unheated production areas. During service it produces a sound pressure level of 79 dBA, helping installations meet common industrial noise limits.
Technical Specifications
Body Material
AISI 304
Displacement
32 cm³/rev
Drain Connection Size
1/4 in
Inlet Connection Size
1 1/4 in
Max Ambient Temp
50 °C
Max Flow
55.6 l/min
Max Inlet Pressure
4 barg
Max Media Temp
50 °C
Max Outlet Pressure
160 barg
Max Speed
1800 rpm
Min Media Temp
2 °C
Min Outlet Pressure
30 barg
Min Speed
700 rpm
Outlet Connection Size
3/4 in
Seal Material
NBR
Sound Pressure Level
79 dBA
1620 Old Apex Road
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