Rexroth Hydraulic Control Valves Overview
Rexroth, part of Bosch Rexroth, is a leading global supplier of industrial and mobile hydraulic technology. Its wide range of hydraulic control valves are used to control the direction, pressure, and flow of fluids in hydraulic systems, serving as core components for realizing various hydraulic functions.
Product Detailed Description
Functions:
Directional Control Valves: Control the direction of hydraulic oil flow, thereby controlling the direction of movement of hydraulic cylinders or motors.
Pressure Control Valves: Regulate and limit the pressure in hydraulic systems, including relief valves, pressure reducing valves, sequence valves, etc., to ensure system safety and stable operation.
Flow Control Valves: Control the flow rate of hydraulic oil, thereby controlling the speed of hydraulic cylinders or motors. Includes throttle valves, flow control valves, etc.
Proportional Valves: Proportionally control the direction, pressure, or flow of hydraulic oil through electrical signals, enabling more precise control.
Servo Valves: Electro-hydraulic proportional valves with high accuracy and fast response characteristics, used in high-precision motion control systems.
Cartridge Valves: Compactly designed and easily integrated into hydraulic manifolds to achieve various hydraulic functions.
Features:
High Reliability: Rexroth products are known for their high quality and long service life.
Wide Range of Specifications and Types: Offers a broad selection to meet various application needs.
Modular Design: Many valves feature a modular design for easy assembly and maintenance.
Advanced Control Technology: Provides proportional and servo control technology for precise control.
Energy-Saving Design: Some new valves have energy-saving features to reduce energy consumption.
Robust and Durable: Suitable for harsh industrial and mobile application environments.
Product Parameters
Due to the wide variety of Rexroth hydraulic control valves, the following are some general parameters. Always refer to the official datasheet for the specific model:
Types: Directional control valves, pressure control valves, flow control valves, proportional valves, servo valves, cartridge valves, etc.
Sizes (Nominal Size): NG4, NG6, NG10, NG16, NG25, NG32, etc. (according to CETOP standards or other standards).
Maximum Operating Pressure: Up to 700 bar or higher.
Maximum Flow Rate: Up to several thousand liters per minute.
Voltage (Solenoid Valves): 12V DC, 24V DC, 110V AC, 230V AC, etc.
Porting Patterns: ISO 4401 standard interfaces, threaded connections, flange connections, etc.
Actuation Types: Manual, solenoid, pneumatic, hydraulic, proportional solenoid, electro-hydraulic servo, etc.
Ambient Temperature Range: Varies by model.
Hydraulic Fluids: Mineral oil, environmentally friendly hydraulic fluids, etc. (depending on the model and sealing materials).
Product Advantages
Excellent Reliability: Ensures long-term stable system operation.
Wide Product Range: Able to provide suitable solutions for various applications.
Advanced Technology: Offers precise and efficient hydraulic control.
Global Support: Rexroth provides technical support and after-sales service worldwide.
Easy Integration: Modular design and standardized interfaces facilitate system integration.
High Performance: Delivers excellent performance under various operating conditions.
Energy-Saving: Some models have energy-saving features, reducing operating costs.
Precautions
Correct Selection: Choose the appropriate valve based on system pressure, flow rate, functional requirements, and environmental conditions.
Correct Installation: Follow Rexroth's installation guidelines to ensure proper valve installation and connection.
Hydraulic Fluid Selection and Maintenance: Use the recommended hydraulic fluid and replace and maintain it regularly to keep the fluid clean.
System Cleanliness: Ensure the hydraulic system is internally clean to prevent contaminants from entering the valve and causing failures.
Regular Inspection and Maintenance: Periodically inspect the valve's seals, connections, and electrical components to ensure proper operation.
Safe Operation: Always follow relevant safety procedures when operating and maintaining hydraulic systems.
Product Applications
Rexroth hydraulic control valves are widely used in various industrial and mobile application areas, including but not limited to:
Industrial Machinery: Machine tools, injection molding machines, die-casting machines, metallurgical equipment, automated production lines, etc.
Mobile Machinery: Construction machinery (excavators, loaders, cranes, etc.), agricultural machinery, building machinery, etc.
Factory Automation: Robots, handling equipment, assembly lines, etc.
Marine Engineering: Ship deck machinery, propulsion systems, etc.
Energy Sector: Wind power generation, hydropower generation, etc.
Stage Technology: Stage lifting, lighting control, etc.
