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Product Overview
The Variable 280Bar A10VSO Axial Pump stands as a high-performance hydraulic solution specifically engineered for modern excavator systems, combining precision control with robust durability. As a variable displacement axial piston pump with a swashplate design, it operates in open-circuit hydraulic systems, converting mechanical power into hydraulic energy to drive critical excavator functions. Fully compliant with ISO 3019-2 mounting standards, this pump integrates seamlessly into existing excavator hydraulic circuits without requiring extensive modifications. Its nominal operating pressure of 280 bar (4,061 psi) delivers consistent power for heavy-duty digging and lifting operations, while its hydrostatically relieved swashplate bearing ensures smooth operation even under varying loads. Compatible with mineral-based hydraulic oils (ISO VG 32-68) and featuring FKM seal materials as standard, the A10VSO pump maintains stable performance in ambient temperatures ranging from -15°C to 70°C—ideal for construction sites in diverse climatic conditions.
Product Features
• High-Pressure Capability: Sustains continuous operation at 280 bar with short-term pressure tolerance up to 350 bar, providing sufficient power for excavator boom lifts, arm extensions, and bucket operations in hard rock or clay conditions .
• Variable Displacement Design: Offers stepless flow adjustment through swashplate positioning, allowing precise matching of hydraulic output to workload demands. This results in 15% energy savings compared to fixed-displacement pumps by reducing unnecessary oil flow during light-load operations .
• Low Noise Operation: Incorporates optimized fluid dynamics and precision machining (cylinder bore tolerance ±0.003mm) to achieve sound levels below 78 dB(A) at rated speed, enhancing operator comfort during extended work shifts .
• Compact & Lightweight Construction: Weighs only 34.2 kg for the 45 cc model, with a space-efficient footprint (ISO 3019-2 four-bolt flange mounting) that simplifies installation in confined excavator engine compartments .
• Rapid Response Performance: Delivers flow rates from 0 to 67.5 L/min (at 1500 rpm for the 45 cc variant) with a response time of < 0.6 seconds, ensuring immediate reaction to operator controls for precise grading and digging operations .
Applications
This pump is the backbone of hydraulic systems in medium to large excavators (15-50 ton operating weight), powering critical functions such as boom elevation and retraction, arm extension for reaching distant work areas, and bucket tilting for material handling. Its variable displacement capability makes it particularly effective for swing mechanism rotation, allowing smooth 360° upper structure movement during loading operations. Additionally, it supports auxiliary excavator attachments including hydraulic breakers for demolition work, hydraulic thumbs for material gripping, and compactor plates for soil compaction. The pump’s robust design ensures reliable performance in construction sites, quarry operations, and road building projects where consistent hydraulic power is essential for productivity.
Contents:
DG-Two-point control, directly operated
DR- Pressure control
DRG - Pressure control, remotely operated
DFR, DFR1-Pressure and flow control
DFLR- Pressure, flow and power controlED-Electro-hydraulic pressure control
ER-Electro-hydraulic pressure control
Features – Variable pump in axial piston swashplate design for hydrostatic drives in an open circuit – The flow is proportional to the drive speed and the displacement – The flow can be steplessly varied by adjustment of the swashplate angle. – 2 case drain ports – Excellent suction characteristics – Low noise level – Long service life – Axial and radial load capacity of drive shaft – Favorable power/weight ratio – Versatile controller range – Short control time – The through drive is suitable for adding gear pumps and axial piston pumps up to the same size, i.e., 100% through drive.
Product Overview
The Variable 280Bar A10VSO Axial Pump stands as a high-performance hydraulic solution specifically engineered for modern excavator systems, combining precision control with robust durability. As a variable displacement axial piston pump with a swashplate design, it operates in open-circuit hydraulic systems, converting mechanical power into hydraulic energy to drive critical excavator functions. Fully compliant with ISO 3019-2 mounting standards, this pump integrates seamlessly into existing excavator hydraulic circuits without requiring extensive modifications. Its nominal operating pressure of 280 bar (4,061 psi) delivers consistent power for heavy-duty digging and lifting operations, while its hydrostatically relieved swashplate bearing ensures smooth operation even under varying loads. Compatible with mineral-based hydraulic oils (ISO VG 32-68) and featuring FKM seal materials as standard, the A10VSO pump maintains stable performance in ambient temperatures ranging from -15°C to 70°C—ideal for construction sites in diverse climatic conditions.
Product Features
• High-Pressure Capability: Sustains continuous operation at 280 bar with short-term pressure tolerance up to 350 bar, providing sufficient power for excavator boom lifts, arm extensions, and bucket operations in hard rock or clay conditions .
• Variable Displacement Design: Offers stepless flow adjustment through swashplate positioning, allowing precise matching of hydraulic output to workload demands. This results in 15% energy savings compared to fixed-displacement pumps by reducing unnecessary oil flow during light-load operations .
• Low Noise Operation: Incorporates optimized fluid dynamics and precision machining (cylinder bore tolerance ±0.003mm) to achieve sound levels below 78 dB(A) at rated speed, enhancing operator comfort during extended work shifts .
• Compact & Lightweight Construction: Weighs only 34.2 kg for the 45 cc model, with a space-efficient footprint (ISO 3019-2 four-bolt flange mounting) that simplifies installation in confined excavator engine compartments .
• Rapid Response Performance: Delivers flow rates from 0 to 67.5 L/min (at 1500 rpm for the 45 cc variant) with a response time of < 0.6 seconds, ensuring immediate reaction to operator controls for precise grading and digging operations .
Applications
This pump is the backbone of hydraulic systems in medium to large excavators (15-50 ton operating weight), powering critical functions such as boom elevation and retraction, arm extension for reaching distant work areas, and bucket tilting for material handling. Its variable displacement capability makes it particularly effective for swing mechanism rotation, allowing smooth 360° upper structure movement during loading operations. Additionally, it supports auxiliary excavator attachments including hydraulic breakers for demolition work, hydraulic thumbs for material gripping, and compactor plates for soil compaction. The pump’s robust design ensures reliable performance in construction sites, quarry operations, and road building projects where consistent hydraulic power is essential for productivity.
Contents:
DG-Two-point control, directly operated
DR- Pressure control
DRG - Pressure control, remotely operated
DFR, DFR1-Pressure and flow control
DFLR- Pressure, flow and power controlED-Electro-hydraulic pressure control
ER-Electro-hydraulic pressure control
Features – Variable pump in axial piston swashplate design for hydrostatic drives in an open circuit – The flow is proportional to the drive speed and the displacement – The flow can be steplessly varied by adjustment of the swashplate angle. – 2 case drain ports – Excellent suction characteristics – Low noise level – Long service life – Axial and radial load capacity of drive shaft – Favorable power/weight ratio – Versatile controller range – Short control time – The through drive is suitable for adding gear pumps and axial piston pumps up to the same size, i.e., 100% through drive.
