BONDOLI PRD22-5187D Gear Pump
The PRD22 series is a high-performance gear pump produced by Bondioli&Pavesi, specifically designed for fields such as engineering machinery, agricultural machinery, and material handling equipment that require high-pressure hydraulic systems.
Model analysis: PRD22-5187D
PRD22: Serial number. Represents the basic frame dimensions, gear width, and displacement range of the pump. PRD22 usually refers to a larger specification series.
5187: Displacement code. This is the most crucial number. It represents the theoretical displacement of the pump.
51 represents 51 cm ³/rev, which means that for every rotation of the pump shaft, 51 milliliters of hydraulic oil is theoretically discharged.
87 is an internal product code of Bondili, which may represent specific gear parameters or optimized versions.
D: Suffix/option code. Usually represents the form of axis extension or direction of rotation. Common ones include:
D: Usually represents a spline shaft. The specific type of spline (such as SAE, DIN, involute spline) needs to be referred to in the technical manual.
Other common suffixes: A (flat key shaft), S (special design), L (left rotation, counterclockwise rotation when viewed from the shaft end), etc. Standard suffixes are usually right-handed.
So, PRD22-5187D can be understood as the Bondi PRD22 series, with a displacement of 51 cm ³/rev and a gear pump with a flower key shaft extension.
Key performance parameters (typical values)
Based on the general data of PRD22 series 51cc displacement:
Displacement: 51 cm ³/rev (milliliters/rev)
Pressure range:
Maximum intermittent pressure: typically above 250 bar.
Maximum continuous working pressure: usually around 210-230 bar. Please refer to the latest official sample for details.
Speed range:
Maximum speed: about 3000 rpm (depending on oil inlet conditions).
Recommended speed: Typically between 1500-2500 rpm depending on the application.
Volumetric efficiency: very high, usually above 95% (under new pump and suitable viscosity oil).
Shaft extension: Spline shaft (specific model such as SAE "C" or "D" type spline, or European standard spline).
Oil port connection: usually a flange interface with threaded holes.
Rotation direction: When viewed from the shaft end, the standard is clockwise (unless there is an "L" suffix).
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