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4 year

Product details

Technical Features

• Proportional Control: The proportional solenoid receives an electrical signal and generates a magnetic field proportional to the current, pushing the valve spool to move and thereby changing the valve port opening for continuous flow control.

• High Precision: Some high-precision proportional valves adopt closed-loop control (with displacement sensors), feeding the actual displacement back to the controller to form a PID control loop for more precise dynamic regulation.

• Good Stability: Proportional valves with internal feedback exhibit better steady-state characteristics and dynamic quality compared to those without, ensuring system stability during long-term operation.

• Easy Integration: Proportional valves are typically used in conjunction with amplifiers, which convert control signals into current signals suitable for the proportional valve, facilitating integration with control systems such as PLCs (Programmable Logic Controllers).

III. Model Interpretation (Taking 4WREE6-2X/A1 as an Example)

• 4WREE: Indicates that the valve is a direct-acting proportional pressure valve with integrated electronics (OBE).

• 6: Represents the specification size, related to parameters such as valve flow and pressure.

• 2X: Represents the component series, usually related to installation and connection dimensions.

• A1: Indicates the interface type of the control electronics and the control value input method, such as A1 possibly representing a control value input of ±10V.

IV. Selection and Usage Considerations

• Clarify Control Requirements: Determine parameters such as control type (flow/pressure/direction), control signal type, and power supply voltage based on actual needs.

• Consider Working Environment: Select appropriate protection levels and temperature ranges based on the working environment to ensure stable operation of the proportional valve in harsh conditions.

• Regular Maintenance: Regularly clean valve ports and filters to prevent blockage; avoid long-term full-load operation to reduce coil heating; maintain stable power supply to avoid control signal interference.

• Professional Operation: Do not disassemble the internal control unit privately to avoid calibration failure; follow the guidance of professionals during installation and commissioning.

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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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