Yuken A Series Pump | A10, A16, A37, A56, A145 | 21MPa Variable Piston Pump
| Model Number | A37F-R-01-H-S-K-32, A56-L-R-01-H-K-32 |
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Product Description
Yuken A Series Industrial High-Pressure Axial Piston Variable Pump
Product Overview: The Yuken A series is globally recognized as a premier flagship for high-efficiency, low-noise axial piston variable pumps in the industrial sector. Spanning a full displacement range from 10cc (A10) to 145cc (A145), this series is engineered to excel in demanding industrial applications. Utilizing advanced pressure compensator controls (e.g., Type 01), A series pumps automatically modulate flow based on system pressure, drastically reducing energy consumption during pressure-holding phases. Models like A56-L-R-01 and A37F-R-01 maintain a volumetric efficiency of over 98% even under 21 MPa high-pressure conditions.
Key Technical Advantages:
Ultra-Low Noise Operation: Featuring Yuken’s proprietary noise-reduction technology, even large models (e.g., A70, A90, A145) maintain exceptionally low decibel levels under high pressure, enhancing the factory environment.
Superior Energy Efficiency (Type 01): Models like the A56-L-R-01-H automatically de-stroke to minimum displacement once preset pressure is reached, minimizing heat generation and extending hydraulic fluid life.
Heavy-Duty Durability (K-32 Design): Units featuring the K-32 design code represent the latest technical enhancements, offering increased axial load capacity and ensuring an extended service life under 24/7 operational cycles.
Flexible Installation Range: Available in Flange (F) and Foot mounting, covering sizes A10, A16, A22, A37, A56, A70, A90, and A145, ensuring precise compatibility with diverse industrial motors and hydraulic power units (HPU).
Detailed Models & Parameters:
Core Series: Yuken A Series (Series 32).
Representative Models: A56-L-R-01-H-K-32, A37F-R-01-H-S-K-32.
Displacement Range: 10, 15.8, 22.2, 36.9, 56.2, 70.0, 91.0, 145.0 cm³/rev.
Pressure Ratings: Rated at 21 MPa (3045 PSI); Peak cycles up to 25 MPa (3625 PSI).
Rotation: R (Clockwise) / L (Counter-clockwise).




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