HPV95 Large Servo Assembly

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3 year

Product details

HPV95 Large Servo Assembly (PC Valve)

Overview:

The HPV95 Large Servo Assembly, commonly referred to as the "PC Valve" (Pilot Control Valve), is a critical hydraulic component used in construction machinery, particularly in excavators such as the PC200-8, PC210-8, PC220-8, and PC240-8 models. It plays a vital role in controlling the flow and pressure of hydraulic fluid to ensure precise and efficient operation of the machine's hydraulic system.

Key Components & Functionality

1. Servo Valve Core:

• The heart of the assembly, responsible for regulating hydraulic pressure and flow based on electronic or mechanical signals.

• Ensures smooth and responsive control of hydraulic actuators (e.g., cylinders, motors).

2. Piston Assembly:

• Converts hydraulic pressure into linear mechanical force.

• Critical for movements such as boom extension, arm swing, and bucket operation.

3. Pressure Control Mechanism:

• Maintains optimal system pressure to prevent overloading and ensure component longevity.

• Adjusts flow rates dynamically to match operational demands.

4. Electronic/Mechanical Interface:

• Integrates with the machine’s control system (ECU) for precise operation.

• May include sensors for feedback on pressure, flow, and position.

Applications

• Excavator Models:

• PC200-8, PC210-8, PC220-8, PC240-8 (and similar models from Komatsu and other manufacturers).

• Primary Functions:

• Control of hydraulic cylinders for digging, lifting, and swinging.

• Regulation of pump output to match workload.

• Ensuring stability and precision in heavy-duty operations.

Technical Specifications (Example)

• Displacement: 95cc (varies by model).

• Operating Pressure: Up to 35 MPa (depending on application).

• Flow Rate: Adjustable based on machine requirements.

• Material: High-strength steel with corrosion-resistant coatings.

Advantages

• Precision Control: Enables fine-tuned movements for delicate tasks.

• Durability: Built to withstand harsh operating conditions (dust, vibrations, extreme temperatures).

• Energy Efficiency: Optimizes hydraulic flow to reduce fuel consumption.

• Compatibility: Designed for seamless integration with OEM hydraulic systems.

Maintenance & Replacement

• Regular Inspection: Check for leaks, wear, or contamination.

• Replacement Indicators:

• Erratic hydraulic performance.

• Unusual noises or vibrations.

• Failure to maintain pressure.

• OEM vs. Aftermarket:

• OEM parts ensure compatibility and warranty compliance.

• Aftermarket options may offer cost savings but require careful sourcing.

Common Issues & Troubleshooting

1. Low Hydraulic Pressure:

• Check for internal leaks or worn seals.

• Inspect the servo valve for clogging or damage.

2. Erratic Movement:

• Calibrate or replace sensors if electronic control is involved.

• Verify proper electrical connections.

3. Overheating:

• Ensure adequate cooling and check for blockages in the hydraulic circuit.

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

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Main Product: hydraulic motor , gear box, hydraulic pump, hydraulic valve , hydraulic winch, hydraulic system

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