4WEH16D型电液换向阀产品介绍
中文版：
4WEH16D型电液换向阀是一款专为工业液压系统设计的智能化控制元件，采用电磁铁驱动与液压先导控制相结合的工作原理，实现对流体方向的精准切换。该产品适用于多种工业场景的液压回路控制，凭借其紧凑的结构设计和稳定的控制性能，可满足系统对介质流向切换的多样化需求。
本产品阀体采用高强度合金材料精密铸造，内部流道经优化设计后有效降低压力损失，提升介质流通效率。主阀芯表面经过特殊硬化处理，配合多级密封结构设计，在保证换向灵活性的同时，显著提升耐磨性能与密封可靠性。电磁先导控制单元内置多重防护装置，有效应对电压波动、瞬时过载等复杂工况，确保控制信号的稳定传输。
该阀具备四位五通的通断功能，可根据系统需要实现多个工作位置的切换控制。额定工作压力范围覆盖16MPa至31.5MPa，适配ISO VG32-VG68粘度等级的常规液压油介质。主体结构采用模块化设计，支持叠加安装方式，便于与各类液压阀组集成使用。产品提供DC12V/24V和AC110V/220V等多种线圈电压规格，用户可根据实际工况灵活选配。
在工业应用方面，4WEH16D型电液阀可广泛应用于冶金设备压力控制、工程机械执行机构动作切换、注塑成型设备合模系统等场景。其快速响应特性可满足高频次换向需求，独特的缓冲设计能有效降低液压冲击对系统的影响，延长相关元件的使用寿命。
English Version:
The 4WEH16D electro-hydraulic directional valve is an intelligent control component specifically developed for industrial hydraulic systems. Combining solenoid actuation with hydraulic pilot control, this valve achieves precise fluid flow direction switching, making it suitable for diverse hydraulic circuit control requirements in various industrial applications.
Constructed with high-strength alloy materials through precision casting, the valve body features optimized internal flow channels that minimize pressure loss while enhancing fluid transmission efficiency. The main spool undergoes specialized surface hardening treatment and incorporates multi-stage sealing structures, ensuring both smooth directional switching and improved wear resistance. The integrated electromagnetic pilot control unit includes multiple protective mechanisms to maintain stable signal transmission under voltage fluctuations and transient overload conditions.
This four-position five-way valve enables flexible workflow switching control in hydraulic systems. With a rated operating pressure range of 16MPa to 31.5MPa, it is compatible with standard hydraulic oils within ISO VG32-VG68 viscosity grades. The modular design allows for stackable installation, facilitating integration with various hydraulic valve groups. Multiple coil voltage options including DC12V/24V and AC110V/220V are available to accommodate different operational requirements.
In industrial applications, the 4WEH16D demonstrates excellent performance in pressure control systems for metallurgical equipment, actuator movement coordination in construction machinery, and mold clamping systems for injection molding machines. Its rapid response characteristics meet high-frequency switching demands, while the integrated cushioning mechanism effectively reduces hydraulic shock, thereby extending the service life of connected components. The valve s compact dimensions and standardized interface design simplify installation and maintenance procedures across different equipment platforms.
