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4WE6 Single-Head Solenoid Reversing Valve
4WE6 single-head solenoid reversing valve is a typical solenoid reversing valve product produced by brands such as Rexroth. It is widely used in industrial hydraulic systems and is used to control the flow direction of hydraulic oil and realize the reversing operation of actuators (such as hydraulic cylinders and hydraulic motors). The following is a detailed introduction from the aspects of structure, functions, characteristics, applications, etc.:
1. Structure and working principle
Structural composition: Valve body: including oil inlet (P), working oil outlet (A/B), oil return port (T), etc.
Electromagnet: Single-head solenoid generates electromagnetic force by energizing, driving the valve core to move.
Valve spool: a slide valve-type structure, which moves within the valve body through the action of electromagnetic force or return spring, changing the on-off state of the oil port.
Reset spring: When the solenoid is powered off, the spring pushes the valve core back to the middle position.
Working principle: When the solenoid is energized, an electromagnetic force is generated, pushing the valve core to move to a designated position, connecting port P and port A or port B to realize the reversal of hydraulic oil.
When the solenoid is powered off, the return spring pushes the valve core back to the middle position, port P and ports A and B are both disconnected, and the hydraulic oil stops flowing.
2. Functional characteristics
High reliability: Wet electromagnet design is adopted, the electromagnet is filled with hydraulic oil, has good heat dissipation performance and a long life.
The valve core and the valve body are precisely matched, with small leakage and fast response speed.
Flexibility: Supports multiple installation methods (plate type, tube type, etc.) to meet different hydraulic system needs.
Manual operation device can be optionally equipped for easy debugging and emergency operations.
Strong compatibility: The valve body oil port size meets ISO standards and can be used with a variety of hydraulic components.
Supports AC or DC power supplies to adapt to different working conditions.
High circulation capacity: optimized internal channel design, small pressure loss, and large circulation capacity.
3. Technical parameters
Parameter description
Model 4WE6 series (such as 4WE6D6X/EG24N9K4, etc.)
Diameter 6mm
Working pressure can reach 350bar (5076psi)
Power supply AC (such as 220V) or DC (such as 24V)
Ambient temperature -20℃ to +80℃ (depend on model)
Protection level IP65 (dust-proof and waterproof)
Installation method plate-type installation (compliant with ISO 4401 standard)
Oil port connection complies with ISO 4401-03-02-0-05 standard
IV. Application areas
Industrial machinery: such as injection molding machines, die casting machines, punching machines, etc.
Construction machinery: such as excavators, cranes, loaders, etc.
Agricultural machinery: such as tractors, harvesters, etc.
Other fields: such as ships, aerospace, metallurgy, etc.
5. Selection and precautions
Key points of selection: Select the appropriate diameter and model according to the system pressure and flow rate.
Select an AC or DC solenoid according to the power supply type.
Select the plate or tube installation method according to the installation space.
Note: Before installation, the hydraulic system must be cleaned to prevent impurities from entering the valve body.
Electromagnet wiring must comply with electrical safety standards to prevent short circuit or overload.
Check the valve body seal regularly to prevent leakage.
6. Typical model examples
4WE6D6X/EG24N9K4: D: Functional symbol (represents a specific design).
6X: Installation and oil port size.
EG24: Electromagnetic voltage (24V DC).
N9K4: Electrical wiring form (separate wiring, with plug).
4WE6J6X/EG24N9K4: J: Functional symbol (represents another design).
The meanings of other parameters are the same as above.
7. Summary of advantages
Efficient commutation: fast response, short commutation time.
Long life: Wet electromagnet design, good heat dissipation performance and small wear.
Easy to maintain: Modular design, easy to replace solenoids or valve cores.
High compatibility: Comply with international standards and can be used with a variety of hydraulic components.
4WE6 single-head solenoid reversing valve is widely used in industrial hydraulic systems due to its high reliability, flexibility and strong compatibility. When selecting models, you need to select the appropriate model and parameters according to the specific working conditions to ensure stable operation of the system.
4WE6 single-head solenoid reversing valve is a typical solenoid reversing valve product produced by brands such as Rexroth. It is widely used in industrial hydraulic systems and is used to control the flow direction of hydraulic oil and realize the reversing operation of actuators (such as hydraulic cylinders and hydraulic motors). The following is a detailed introduction from the aspects of structure, functions, characteristics, applications, etc.:
1. Structure and working principle
Structural composition: Valve body: including oil inlet (P), working oil outlet (A/B), oil return port (T), etc.
Electromagnet: Single-head solenoid generates electromagnetic force by energizing, driving the valve core to move.
Valve spool: a slide valve-type structure, which moves within the valve body through the action of electromagnetic force or return spring, changing the on-off state of the oil port.
Reset spring: When the solenoid is powered off, the spring pushes the valve core back to the middle position.
Working principle: When the solenoid is energized, an electromagnetic force is generated, pushing the valve core to move to a designated position, connecting port P and port A or port B to realize the reversal of hydraulic oil.
When the solenoid is powered off, the return spring pushes the valve core back to the middle position, port P and ports A and B are both disconnected, and the hydraulic oil stops flowing.
2. Functional characteristics
High reliability: Wet electromagnet design is adopted, the electromagnet is filled with hydraulic oil, has good heat dissipation performance and a long life.
The valve core and the valve body are precisely matched, with small leakage and fast response speed.
Flexibility: Supports multiple installation methods (plate type, tube type, etc.) to meet different hydraulic system needs.
Manual operation device can be optionally equipped for easy debugging and emergency operations.
Strong compatibility: The valve body oil port size meets ISO standards and can be used with a variety of hydraulic components.
Supports AC or DC power supplies to adapt to different working conditions.
High circulation capacity: optimized internal channel design, small pressure loss, and large circulation capacity.
3. Technical parameters
Parameter description
Model 4WE6 series (such as 4WE6D6X/EG24N9K4, etc.)
Diameter 6mm
Working pressure can reach 350bar (5076psi)
Power supply AC (such as 220V) or DC (such as 24V)
Ambient temperature -20℃ to +80℃ (depend on model)
Protection level IP65 (dust-proof and waterproof)
Installation method plate-type installation (compliant with ISO 4401 standard)
Oil port connection complies with ISO 4401-03-02-0-05 standard
IV. Application areas
Industrial machinery: such as injection molding machines, die casting machines, punching machines, etc.
Construction machinery: such as excavators, cranes, loaders, etc.
Agricultural machinery: such as tractors, harvesters, etc.
Other fields: such as ships, aerospace, metallurgy, etc.
5. Selection and precautions
Key points of selection: Select the appropriate diameter and model according to the system pressure and flow rate.
Select an AC or DC solenoid according to the power supply type.
Select the plate or tube installation method according to the installation space.
Note: Before installation, the hydraulic system must be cleaned to prevent impurities from entering the valve body.
Electromagnet wiring must comply with electrical safety standards to prevent short circuit or overload.
Check the valve body seal regularly to prevent leakage.
6. Typical model examples
4WE6D6X/EG24N9K4: D: Functional symbol (represents a specific design).
6X: Installation and oil port size.
EG24: Electromagnetic voltage (24V DC).
N9K4: Electrical wiring form (separate wiring, with plug).
4WE6J6X/EG24N9K4: J: Functional symbol (represents another design).
The meanings of other parameters are the same as above.
7. Summary of advantages
Efficient commutation: fast response, short commutation time.
Long life: Wet electromagnet design, good heat dissipation performance and small wear.
Easy to maintain: Modular design, easy to replace solenoids or valve cores.
High compatibility: Comply with international standards and can be used with a variety of hydraulic components.
4WE6 single-head solenoid reversing valve is widely used in industrial hydraulic systems due to its high reliability, flexibility and strong compatibility. When selecting models, you need to select the appropriate model and parameters according to the specific working conditions to ensure stable operation of the system.
