Electro-Hydraulic Control Valve
2 week ago
Product details
I. A10VG63EP4 Electro-Hydraulic Control Valve
1. Product Overview
• Type: Closed-circuit variable displacement pump designed specifically for hydraulic systems.
• Brand: Rexroth or similar brands.
• Core Function: Electronically regulates pump displacement to achieve precise control of flow and pressure in hydraulic systems.
2. Model Breakdown
• A10VG63:
• A10: Series identifier for pump type and displacement range.
• VG: Indicates variable displacement pump (Variable Displacement Pump).
• 63: Maximum displacement of 63 milliliters per revolution (mL/rev).
• EP4:
• E: Typically denotes electro-hydraulic control (Electro-Hydraulic Control).
• P4: May indicate specific control mode or configuration (e.g., proportional control, digital control).
3. Technical Features
• High Efficiency: Maintains stable output under high-pressure and high-speed conditions, with high volumetric efficiency and minimal energy loss.
• Low Noise: Optimized structural design for reduced operational noise.
• Energy Saving: Automatically adjusts displacement based on system demand to minimize energy consumption.
• Long Service Life: Suitable for high-pressure environments with low maintenance costs.
4. Applications
• Industrial Machinery: Injection molding machines, die-casting machines, etc.
• Construction Equipment: Excavators, cranes, etc.
• Mining Operations: Drilling rigs, crushers, etc.
• Other Hydraulic Systems: Requiring precise control.
5. Technical Specifications (Example)
• Displacement: Maximum 63 mL/rev.
• Rated Pressure: 32 MPa (specific values may vary by model).
• Applicable Medium: Hydraulic oil.
• Control Method: Electro-hydraulic proportional regulation.
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II. A4VG71EP4 Electro-Hydraulic Control Valve
1. Product Overview
• Type: Through-shaft axial piston variable displacement pump for closed-circuit hydraulic systems.
• Brand: Huade Hydraulic or similar brands.
• Core Function: Electronically regulates pump displacement to meet diverse operating conditions of host equipment.
2. Model Breakdown
• A4VG71:
• A4V: Series identifier for pump type and displacement range.
• G: Indicates through-shaft design (Through-Shaft Design).
• 71: Maximum displacement of 71 milliliters per revolution (mL/rev).
• EP4:
• E: Denotes electro-hydraulic control (Electro-Hydraulic Control).
• P4: May indicate specific control mode or configuration.
3. Technical Features
• High Power Density: High output power per unit volume.
• Multiple Control Modes: Supports proportional control, digital control, etc., with high precision.
• Integrated Functions: Can integrate auxiliary pumps, high-pressure relief valves, etc., for functions such as makeup oil supply, oil control, flushing, and safety protection.
• High Reliability: Reasonable structural design for use in harsh operating conditions.
4. Applications
• Construction Machinery: Main pump systems for excavators, loaders, etc.
• Agricultural Machinery: Tractors, harvesters, etc.
• Mining Machinery: Roadheaders, coal mining machines, etc.
• Other Host Equipment: Requiring closed-circuit hydraulic systems.
5. Technical Specifications (Example)
• Displacement: Maximum 71 mL/rev.
• Rated Pressure: 25 MPa (specific values may vary by model).
• Applicable Medium: Hydraulic oil.
• Control Method: Electro-hydraulic proportional regulation with support for multi-stage series connection.
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