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34EYY-H20 Electro-hydraulic Reversing Valve
34EYY-H20 electro-hydraulic reversing valve is a high-performance hydraulic control element, which is widely used in industrial hydraulic systems that require large flow and high pressure. The following is a detailed introduction to its characteristics, technical parameters and application scenarios:
1. Product Features
The electromagnetic pilot control controls the hydraulic valve with large diameter through a small capacity solenoid reversing valve to realize the reversing of the slide valve, which is suitable for large flow hydraulic systems.
The high pressure supports nominal pressure up to 31.5MPa, meeting the needs of high pressure working conditions and ensuring stable operation of the system.
Multi-path selection provides nominal diameters such as 16mm, 20mm, 32mm, etc., and users can flexibly choose according to system flow requirements.
The plate connection design adopts a plate connection method, which is convenient to install and facilitates the layout and maintenance of integrated hydraulic systems.
Various functional configurations can be equipped with a stroke adjustment mechanism, a single damping valve or a double damping valve to meet the control needs under different working conditions.
2. Technical parameters
Parameter specification description
Model 34EYY-H20 series (such as 34EYY-H20B-TCZZET, etc.)
Number of positions and number of channels 34 = three-bit four-way (can realize median function switching)
Control mode wet DC type (e) or wet AC type (b), hydraulic form code (yy)
Nominal pressure 31.5MPa
Nominal diameters 16mm, 20mm, 32mm (example model is 20mm diameter)
Connection method board connection (B)
Additional functions are available with stroke adjustment mechanism (CC), single damping valve (Z) or double damping valve (ZZ)
Oil drainage methods: internal supply and external leakage (no mark), external supply and external leakage (E), internal supply and internal leakage (ET), external supply and internal leakage (T)
3. Working principle
Solenoid pilot control: The solenoid valve acts as a pilot valve. After receiving the electrical signal, it pushes the slide valve of the hydraulic valve to redirect, thereby realizing the switching of the main oil circuit direction.
Hydraulic reversing: The hydraulic valve drives the slide valve through hydraulic thrust, allowing large flow of oil to pass through, meeting the needs of high-pressure and large flow systems.
Median function: The three-digit four-way design can realize functions such as median cutoff and unloading, and adapt to different working conditions.
IV. Application scenarios
Hydraulic brackets are used to control the movement of hydraulic brackets, realize multi-load synchronization control, and improve work efficiency and safety.
Construction machinery controls the movement of hydraulic cylinders and oil motors in equipment such as excavators and cranes to ensure the stable operation of the equipment.
Industrial equipment is used in hydraulic machine tools, injection molding machines and other equipment to achieve high-precision and high-responsive hydraulic control.
34EYY-H20 electro-hydraulic reversing valve is a high-performance hydraulic control element, which is widely used in industrial hydraulic systems that require large flow and high pressure. The following is a detailed introduction to its characteristics, technical parameters and application scenarios:
1. Product Features
The electromagnetic pilot control controls the hydraulic valve with large diameter through a small capacity solenoid reversing valve to realize the reversing of the slide valve, which is suitable for large flow hydraulic systems.
The high pressure supports nominal pressure up to 31.5MPa, meeting the needs of high pressure working conditions and ensuring stable operation of the system.
Multi-path selection provides nominal diameters such as 16mm, 20mm, 32mm, etc., and users can flexibly choose according to system flow requirements.
The plate connection design adopts a plate connection method, which is convenient to install and facilitates the layout and maintenance of integrated hydraulic systems.
Various functional configurations can be equipped with a stroke adjustment mechanism, a single damping valve or a double damping valve to meet the control needs under different working conditions.
2. Technical parameters
Parameter specification description
Model 34EYY-H20 series (such as 34EYY-H20B-TCZZET, etc.)
Number of positions and number of channels 34 = three-bit four-way (can realize median function switching)
Control mode wet DC type (e) or wet AC type (b), hydraulic form code (yy)
Nominal pressure 31.5MPa
Nominal diameters 16mm, 20mm, 32mm (example model is 20mm diameter)
Connection method board connection (B)
Additional functions are available with stroke adjustment mechanism (CC), single damping valve (Z) or double damping valve (ZZ)
Oil drainage methods: internal supply and external leakage (no mark), external supply and external leakage (E), internal supply and internal leakage (ET), external supply and internal leakage (T)
3. Working principle
Solenoid pilot control: The solenoid valve acts as a pilot valve. After receiving the electrical signal, it pushes the slide valve of the hydraulic valve to redirect, thereby realizing the switching of the main oil circuit direction.
Hydraulic reversing: The hydraulic valve drives the slide valve through hydraulic thrust, allowing large flow of oil to pass through, meeting the needs of high-pressure and large flow systems.
Median function: The three-digit four-way design can realize functions such as median cutoff and unloading, and adapt to different working conditions.
IV. Application scenarios
Hydraulic brackets are used to control the movement of hydraulic brackets, realize multi-load synchronization control, and improve work efficiency and safety.
Construction machinery controls the movement of hydraulic cylinders and oil motors in equipment such as excavators and cranes to ensure the stable operation of the equipment.
Industrial equipment is used in hydraulic machine tools, injection molding machines and other equipment to achieve high-precision and high-responsive hydraulic control.
