DANFOSS Pump FRR74B FRR90C
Danfoss FRR74B is a slant disc axial piston pump belonging to the Danfoss FRR series, commonly used in industrial hydraulic systems, with the characteristics of high pressure and high efficiency.
main features
1. High voltage performance
-Rated pressure: up to 280 bar (approximately 4000 psi), peak pressure up to 350 bar (approximately 5000 psi).
-Suitable for heavy-duty applications such as construction machinery, injection molding machines, presses, etc.
2. Displacement range
-The displacement of FRR74B is 74 cm ³/rev (displacement per revolution), suitable for moderate flow demand.
-There are other displacement models in the series, such as FRR51, FRR106, etc.
3. Variable control
-Optional pressure compensation, load sensitivity, or electric proportional control can be used to achieve automatic adjustment of flow and pressure, saving energy and efficiency.
4. Structural design
-The design of the inclined disc axial piston and the distribution plate structure reduce leakage and improve volumetric efficiency.
-Cast iron or aluminum shell, corrosion-resistant and impact resistant.
5. Application Fields
-Industrial hydraulic systems, marine machinery, metallurgical equipment, rubber molding machines, etc.
Technical parameters (typical values)
-Speed range: 1000-1800 rpm (continuous operation), up to 3000 rpm (intermittent).
-Viscosity range: 15-1000 cSt (recommended ISO VG46 or VG68 hydraulic oil).
-Efficiency: Volume efficiency>95%, mechanical efficiency>90%.
-Weight: Approximately 25-30 kg (depending on configuration).
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