4WEH25G型电液阀产品介绍
4WEH25G型电液阀是一款高性能液压控制装置，采用滑阀式结构设计，适用于工业自动化、工程机械、冶金设备等领域的液压系统控制。该产品通过电磁铁驱动实现液压油路的精准切换，具有响应速度快、动作稳定可靠的特点。阀体采用高强度合金材料精密铸造，内部流道经优化设计，有效降低压力损失，提升系统整体能效表现。
本产品设计充分考虑了复杂工况下的使用需求，可在工作压力21MPa至31.5MPa范围内稳定运行，油液温度适应范围达到-20℃至+80℃。特殊表面处理工艺增强了关键运动部件的耐磨性能，配合精密加工的配合间隙控制，确保长期使用过程中保持稳定的泄漏控制指标。产品配备多种电磁铁选项，支持DC12V/24V及AC110V/220V等常规电压规格，便于不同场景的电气系统对接。
在功能实现方面，4WEH25G具备中位卸荷功能，支持三位四通控制模式，可灵活实现液压执行机构的启停、换向及压力保持操作。特殊设计的密封组件与缓冲结构有效降低了换向冲击，特别适用于需要精密位置控制的液压系统。产品维护窗口设计合理，支持在线维护操作，极大减少了设备停机时间。
典型应用场景包括：注塑机合模系统、船舶舵机液压控制、矿山机械行走机构、冶金连铸设备液压站等。产品通过模块化设计实现了快速安装与系统集成，标准接口配置兼容主流液压管路系统。制造商提供专业技术支持团队，可根据具体工况需求推荐适配解决方案。
4WEH25G Electro-Hydraulic Valve Product Introduction
The 4WEH25G electro-hydraulic directional control valve represents advanced hydraulic control technology, featuring a spool valve structure designed for industrial automation and mobile machinery applications. This valve achieves precise hydraulic circuit switching through electromagnetic actuation, demonstrating rapid response characteristics and consistent operational reliability. The valve body, constructed from high-strength alloy material, incorporates optimized flow channels to minimize pressure drop and enhance system efficiency.
Engineered for demanding working conditions, the valve maintains stable performance within a working pressure range of 21MPa to 31.5MPa, with oil temperature adaptability from -20℃ to +80℃. Advanced surface treatment processes enhance wear resistance of critical components, while precisely controlled mating clearances ensure long-term leakage control. Multiple electromagnetic coil options are available, including DC12V/24V and AC110V/220V configurations, ensuring compatibility with various electrical systems.
Functionally, the 4WEH25G features center position pressure relief capability and three-position/four-way control mode, enabling precise control of hydraulic actuators for start-stop, directional change, and pressure maintenance operations. Specially designed sealing elements and cushioning structures effectively reduce shifting impacts, making it particularly suitable for position-sensitive hydraulic systems. The maintenance-friendly design allows for in-line servicing, significantly reducing equipment downtime.
Typical applications encompass injection molding machine clamping systems, marine steering gear controls, mining equipment propulsion mechanisms, and metallurgical continuous casting installations. The modular design facilitates quick installation and system integration, with standardized interfaces compatible with mainstream hydraulic piping systems. Manufacturers provide professional technical support teams capable of delivering customized solutions based on specific operational requirements.
