Parameter Specification of YUKEN Piston Pump A145-FR04BK-32

1. Model Interpretation

• A145: Series identifier, indicating the A145 series variable displacement piston pump, which is designed for high-performance industrial applications;
• F: Mounting type, representing flange mounting (F = Flange Mounting), which is suitable for fixed installation in hydraulic systems;
• R: Rotation direction, indicating clockwise rotation (standard configuration) when viewed from the shaft end;
• 04: Control mode code, corresponding to the specified control type for stable pressure and flow regulation;
• BK: Pressure adjustment type, indicating the pressure regulating configuration matched with the pump, ensuring accurate pressure control range;
• 32: Design number, representing the specific design version of the pump, corresponding to the standard configuration of the series.

2. Core Technical Parameters

3. Performance Parameters

• Volumetric Efficiency: ≥ 95% (under rated speed and pressure, with ISO VG 32 oil at 50℃);
• Overall Efficiency: ≥ 88% (under rated working conditions);
• Flow Characteristics: The output flow can be automatically adjusted according to the load change, matching the pressure and flow required by the system to achieve energy-saving effect;
• Control Performance: Good linearity between input signal current and full-cutoff pressure, easy to adjust pressure and flow through current signal.

4. Installation & Working Conditions

• Mounting Type: Flange Mounting (F type), consistent with the standard installation dimensions of YUKEN A145 series;
• Rotation Direction: Clockwise (standard), customized counterclockwise rotation is available on request;
• Working Temperature: -10℃ ~ 80℃ (ambient temperature), the oil temperature should be controlled within 30℃ ~ 60℃ for long-term stable operation;
• Oil Cleanliness: NAS 8 class or higher, to avoid wear of internal components and ensure service life;
• Application Scope: Suitable for industrial machinery, hydraulic equipment, construction machinery, material handling equipment, etc..

5. Other Specifications

• Drive Method: Mechanical drive, matching with the corresponding motor power (refer to the actual system configuration);
• Weight: Approximately 83 kg (depending on specific configuration);
• Design Standard: Complies with YUKEN A series variable displacement piston pump technical standards, with reliable performance and long service life;
• Maintenance: Regular oil change and filter replacement are recommended to ensure the pump operates stably for a long time.易损 parts are compatible with original YUKEN accessories.