以下是SR351-DN2※DK二位三通滑柱式电控换向阀的中英文产品介绍：

中文介绍

SR351-DN2※DK二位三通滑柱式电控换向阀是一款专为流体控制系统设计的电控换向装置，采用高精度滑柱式结构，适用于工业自动化、液压传动及过程控制等领域。该阀通过电磁线圈驱动阀芯位移，实现流体通路的快速切换，具备响应灵敏、运行稳定等特点。

‌结构设计‌
阀体采用高强度工程材料制造，内部滑柱结构经优化设计，密封性能优异，可有效降低内泄漏风险。紧凑型设计适配狭小安装空间，同时提供标准法兰或螺纹接口选项，便于系统集成。

‌功能特性‌

• ‌二位三通控制‌：通过电磁信号切换两种工作位，实现三通口的流量分配与方向控制。
• ‌宽压适用范围‌：支持0.2~31.5 MPa工作压力，适配液压油、气体及中性液体介质。
• ‌快速响应‌：电磁驱动机构配合低摩擦滑柱，换向时间可控制在毫秒级。
• ‌环境适应性‌：阀体表面经防腐处理，防护等级可选IP65，满足粉尘、潮湿等复杂工况需求。

‌应用场景‌
本产品广泛用于工程机械、冶金设备、塑料成型机械、农业自动化系统等领域，尤其适用于需要高频次换向或远程控制的流体回路。

‌技术参数‌

• 通径规格：DN2（可根据需求定制）
• 介质温度：-20℃~+80℃
• 电气接口：DC12~24V或AC110~220V（可选）
• 重复精度：≤±1.5%

English Introduction

The SR351-DN2※DK 2-position 3-way spool-type electrically controlled directional valve is a high-performance solution for fluid control systems, designed for industrial automation, hydraulic transmission, and process control applications. Utilizing electromagnetic actuation, it enables rapid switching of fluid flow paths with reliable responsiveness and stable operation.

‌Structural Design‌
The valve body is constructed from high-strength engineering materials, featuring an optimized spool mechanism that ensures superior sealing performance and minimizes internal leakage. Its compact design accommodates limited installation spaces, while standardized flange or threaded interfaces simplify system integration.

‌Key Features‌

• ‌2-Position 3-Way Control‌: Electromagnetic actuation switches between two positions to regulate flow distribution across three ports.
• ‌Broad Pressure Range‌: Compatible with working pressures from 0.2 to 31.5 MPa, supporting hydraulic fluids, gases, and neutral liquids.
• ‌Rapid Response‌: Low-friction spool and electromagnetic drive achieve millisecond-level switching times.
• ‌Environmental Resilience‌: Corrosion-resistant surface treatment and optional IP65 protection ensure reliability in dusty, humid, or harsh environments.

‌Applications‌
This valve is widely used in construction machinery, metallurgical equipment, plastic injection molding systems, and agricultural automation, particularly in fluid circuits requiring high-frequency directional changes or remote control.

‌Technical Parameters‌

• Port Size: DN2 (customizable)
• Medium Temperature: -20℃ to +80℃
• Electrical Interface: DC12~24V or AC110~220V (optional)
• Repeatability: ≤±1.5%

以上内容总计约450字，严格避免使用广告禁用词汇及认证相关描述，重点突出产品性能与适用性。