Product Overview

Our Hydraulic Vane Pumps, including models such as 121-2501, 121-3409, 121-4019, and 123-6765, are engineered to deliver superior performance and reliability in diverse hydraulic systems. These basic vane pumps are characterized by their intra-vane type structure, enabling high-pressure operation with remarkably low noise levels. With a cartridge-type design, they ensure reliable and prolonged operation, making them a cornerstone for demanding industrial and mobile applications.

Key Product Parameters

• Type: High Pressure Variable Volume Vane Pump / Fixed Displacement Vane Pump

• Operating Pressure: Up to 20.6 MPa (206 bar / 3000 psi) for high-pressure models.

• Flow Rate: Varies by model, designed for optimal system flow requirements.

• Design: Intra-vane, hydraulically balanced for extended life.

• Efficiency: High volumetric efficiency.

• Mounting: Standard flange mounts available.

• Noise Level: Engineered for quiet operation, even at high pressures.

Product Advantages and Selling Points

• High Efficiency: Maximizes power transfer, reducing energy consumption and operational costs.

• Low Noise Operation: Enhances operator comfort and allows for use in noise-sensitive environments.

• Extended Lifespan: Hydraulically balanced design and robust construction ensure long-term durability and reduced maintenance.

• Reliable Performance: Consistent and precise fluid delivery even under demanding conditions.

• Compact Design: Facilitates easy integration into various machinery with space constraints.

• Versatility: Adaptable to a wide range of industrial and mobile hydraulic applications.

Applicable Equipment

These hydraulic vane pumps are particularly well-suited for heavy-duty mobile equipment and various industrial machinery. Key applications include:

• Caterpillar 960F Wheel Loader: This robust machine, known for its 3.5 m³ bucket capacity and 209 HP engine, relies on efficient hydraulic systems for loading, excavation, and material handling tasks in construction, mining, and quarry operations. Our pumps provide the necessary power and precision for the loader's hydraulic functions, including steering, lifting, and tilting the bucket.

• Caterpillar 816F Landfill Compactor: A critical machine for waste management, the 816F Compactor (with its 254 HP engine and 52,364 lbs operating weight) demands highly reliable hydraulics for consistent compaction of waste. Our hydraulic vane pumps ensure the continuous and powerful operation of its blade and other compaction mechanisms, crucial for efficient landfill operations.

Application Scenarios and Case Analysis

Caterpillar 960F Wheel Loader: Construction Site Material Handling

In a typical construction scenario, the Caterpillar 960F Wheel Loader is constantly engaged in moving large volumes of earth, gravel, or asphalt. The hydraulic vane pump plays a vital role in providing the consistent flow and pressure required for rapid and precise bucket movements. For instance, during a road construction project, the 960F might be tasked with loading aggregates into dump trucks. The pump's high volumetric efficiency ensures that the loader can lift heavy loads quickly, and its low noise level contributes to a more comfortable working environment for the operator during long shifts. The durability of our pumps withstands the continuous, high-cycle demands of such operations, preventing downtime and ensuring project schedules are met.

Caterpillar 816F Landfill Compactor: Waste Compaction Efficiency

At a landfill, the Caterpillar 816F Compactor is crucial for maximizing landfill space by effectively compacting waste. The hydraulic system, powered by our vane pumps, is responsible for operating the heavy compaction blades and steering mechanisms that navigate challenging terrains. In a case where the compactor needs to continuously process diverse types of waste under varying load conditions, the pump's ability to maintain stable pressure and flow is critical. This ensures consistent compaction density, optimizes air space utilization, and contributes to operational efficiency and environmental compliance at the landfill site. The robust design of our pumps helps them endure the harsh, debris-rich environment of a landfill.

Related Similar Products

While vane pumps excel in many applications due to their efficiency and quiet operation, other types of hydraulic pumps serve different needs:

• Gear Pumps: Simple in design and cost-effective, gear pumps (internal and external) are commonly used in low to medium-pressure applications like lubrication systems, automotive power steering, and small-scale mobile hydraulics.

• Piston Pumps (Axial and Radial): Known for their high efficiency and ability to operate at very high pressures, piston pumps are preferred for heavy-duty applications such as large excavators, industrial presses, and aerospace hydraulic systems where precise control and high power density are required.

• Screw Pumps: These positive displacement pumps are excellent for handling viscous fluids and can provide a smooth, pulsation-free flow. They are often found in oil transfer systems and marine applications.

Common Installation Problems and Solutions

Proper installation is crucial for the optimal performance and longevity of hydraulic vane pumps. Here are common issues and their solutions:

• Pump Does Not Draw Fluid (Prime):

• Issue: Low fluid level, air ingress in suction line, blocked filter, or suction restrictions.

• Solution: Check fluid level, inspect all pipe connections for air leaks, clean/replace filters, and ensure no obstructions in the suction line.

• Reduced Flow & Pressure:

• Issue: Low pump speed, restricted suction/discharge, or worn vanes.

• Solution: Verify pump speed against specifications, check for blockages in pipework, and inspect vanes for wear.

• Noisy Pump:

• Issue: Low inlet pressure (cavitation), high pump speed, loose mounting, or worn bearings.

• Solution: Ensure adequate fluid supply, check operational parameters, secure pump to baseplate, and replace worn components.

• Leakage:

• Issue: O-ring failure, shaft wear/damage, or particle ingress in seals.

• Solution: Replace worn O-rings and seals, ensure shaft alignment, and maintain fluid cleanliness.