Multi-outlet pumps MRK701/702
BIERI radial pistion pumps MRK are very robust radial devices with various pressure outlets, e.g. for different simultaneous hydraulic motions.
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Number of circuits
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2 - 9
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Operating pressure
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up to 700 bar
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Displacement/Circuit
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0,16 up to 3,62 cm3/rev
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Speed range
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up to 2000 rpm
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Features
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Advantages
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Minimized pulsation
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Very high volumetric efficiency on a wide speed range
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Combination with gear pump on request
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Self venting and self-priming
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Outlets with different displacements in the same pump possible
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Compact design, no external tubing needed
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- Multiple hydraulic outlets in one pump
- Power units
- Test stands
- Feeder and synchronised lifting systems (Bridge-, shipbuilding)
- With multiple pumping elements which are combined into two or more pressure ports
- Valve controlled on suction and pressure port
- Radial piston pump of modular design
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Hydraulic fluid
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Mineral oil according to DIN 51524 (other fluids on request)
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Fluid temperature range
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-20 to 80°C
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Ambient temperature range
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-30 to 50°C
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Viscosity range
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5 to 220 mm²/s
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Max. operating pressure
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700 bar continuos pressure (S1)
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Suction pressure
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-0,2 bar to 0,5 bar (relative)
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Displacement volume/circuit
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0,16 up to 3,62 cm3/rev
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Filtration
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According to NAS 1638 class 6 resp. ISO/DIN 4406 17/15/12
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Weight
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See technical data sheet
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Installation position
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Any
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Axial force onto driving shaft
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Not allowed
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Radial force onto driving shaft
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On request
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Max. speed range
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2000 min⁻¹
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Direction of rotation
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Any
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Suction height
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Max. 500 mm
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Material
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Pressure flange: steel
Driving shaft: steel
Cover: die casted aluminium
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![[Translate to EN:] Mehrkreispumpen MRK 701/702](/fileadmin/_processed_/c/2/csm_mrk701_702__09828275c4.jpg "[Translate to EN:] Mehrkreispumpen MRK 701/702")