YUKEN 50T/150T Series Fixed Displacement Vane Pumps
YUKEN 50T and 150T series are low-noise fixed displacement single-stage vane pumps, designed with a pressure-balanced structure, and widely used as power sources in various hydraulic systems. The core differences between the two lie in the displacement range and application scenarios: the 50T is a small low-flow series, while the 150T is a medium medium-flow series.
I. Core Parameter Comparison Table
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Parameters
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50T Series
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150T Series
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Remarks
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Displacement Range
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7-36 cm³/rev (e.g., 50T-7 to 50T-36)
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48-116 cm³/rev (e.g., 150T-48 to 150T-116)
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Displacement determines flow rate
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Maximum Working Pressure
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21-28 MPa
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28-40 MPa
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Varies by specific model
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Speed Range
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800-2000 rpm
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800-1800 rpm
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Safe operation range
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Noise Level
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Below 65 dB (A)
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Below 68 dB (A)
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Smooth and quiet operation
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Inlet/Outlet Size
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3/4″ (Inlet), 1″ (Outlet)
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1 1/4″ (Inlet), 1 1/2″ (Outlet)
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Adapts to different flow requirements
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Weight
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Approx. 9-10.5 kg
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Approx. 25-26 kg
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Varies with displacement
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II. Typical Model Specifications
1. Main Models of 50T Series
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50T-07 (Displacement: 6.8 cm³/rev)
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50T-12 (Displacement: 11.8 cm³/rev)
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50T-17 (Displacement: 17.0 cm³/rev)
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50T-23 (Displacement: 23.0 cm³/rev)
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50T-26 (Displacement: 26.0 cm³/rev)
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50T-36 (Displacement: 36.0 cm³/rev)
2. Main Models of 150T Series
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150T-48 (Displacement: 48.0 cm³/rev)
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150T-64 (Displacement: 64.0 cm³/rev)
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150T-75 (Displacement: 75.0 cm³/rev)
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150T-94 (Displacement: 93.6 cm³/rev)
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150T-116 (Displacement: 115.6 cm³/rev)
III. Core Structure and Features
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Pressure-Balanced Design: Adopts a double-acting balanced structure, with balanced radial force and low shaft load, extending service life.
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Low-Noise Technology: Special vane design eliminates hydraulic oil eddy current, ensuring quiet, stable operation and high efficiency.
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Compact Structure: Small in size, flange-mounted type can be directly connected to the motor, saving installation space.
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Easy Maintenance: Simple structure, easy to disassemble and inspect, reducing maintenance costs.
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Strong Versatility: Can work as a low-pressure vane pump in both high-pressure and low-pressure systems, adapting to various hydraulic circuits.
IV. Differences in Application Scenarios
Applications of 50T Series
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Small precision machine tools, test benches
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Medical equipment (small operating tables, imaging equipment)
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Small injection molding machines, packaging machinery
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Hydraulic control systems with low flow requirements
Applications of 150T Series
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Construction machinery, die-casting machines, industrial machine tools
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Medium/heavy medical equipment (large CT tables, heavy imaging tables)
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Medium injection molding machines, hydraulic presses, automated production lines
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Hydraulic power systems with high flow requirements
V. Explanation of Model Suffixes
The suffixes of 50T/150T series models indicate different configurations, for example:
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F: Flange mounting method
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R: Rotation direction (clockwise/counterclockwise)
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L: Shaft extension type
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S: Special seals
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-10: Pressure level (10MPa)
For specific details, please refer to the official YUKEN catalog or technical manual.
VI. Maintenance Points
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It is recommended to use ISO VG32-46 hydraulic oil with a cleanliness level of NAS Class 9 or higher.
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Replace the filter element regularly (recommended every 2000 hours).
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Avoid long-term operation under conditions exceeding 90% of the maximum pressure.
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Ensure the pump is filled with hydraulic oil before starting to avoid dry operation.
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Regularly check for noise, vibration and leakage, and perform maintenance in a timely manner.
