品牌：RETZ瑞茨/我们一直致力于流体控制领域的持续创新，始于2005……进口制冷电磁阀适用于氟利昂、制冷剂、水、冷冻液、气为工作介质，实现通断自动化，具有启阀迅速，性能稳定，使用方便，节能好，寿命长等优点Retz refrigeration solenoid valve is suitable for working media such as Freon, refrigerant, water, refrigerant, and gas, achieving automatic on-off. It has the advantages of quick valve opening, stable performance, convenient use, good energy conservation, and long service life

进口制冷剂电磁阀控制原理--

常闭式：Normally closed

当线圈通电时，先导阀芯吸合，先导孔打开，阀上腔卸压，活塞靠下腔介质压力推动，电磁阀打开。当线圈断电时，先导阀芯靠弹簧复位，先导孔关闭，阀上腔由活塞节流孔增压和复位弹簧的推力，电磁阀关闭When the coil is energized, the pilot valve core is closed, the pilot hole opens, the upper chamber of the valve is depressurized, the piston is pushed by the medium pressure in the lower chamber, and the solenoid valve opens. When the coil is powered off, the pilot valve core is reset by the spring, the pilot hole is closed, and the valve upper chamber is pressurized by the piston orifice and the thrust of the reset spring, and the solenoid valve is closed

常开式：Normally open

当线圈通电时，先导阀芯靠弹簧复位，先导孔关闭，阀上腔由活塞节流孔增压和复位弹簧的推力，电磁阀关闭。当线圈断电时，先导阀芯靠弹簧复位，先导孔打开，阀上腔卸压，活塞靠下腔介质压力推动，电磁阀打开When the coil is energized, the pilot valve core is reset by the spring, the pilot hole is closed, and the valve upper chamber is pressurized by the piston orifice and the thrust of the reset spring, and the solenoid valve is closed. When the coil is powered off, the pilot valve core is reset by the spring, the pilot hole is opened, the upper chamber of the valve is depressurized, the piston is pushed by the medium pressure in the lower chamber, and the solenoid valve opens

进口制冷剂电磁阀结构特点--

先导式,零压差启动，动作灵敏度高;

独特设计、外观精美、密封性好、开关迅速；

配套线圈、不易烧毁，线圈耐温180℃，可持续通电

进口制冷剂电磁阀选型参数--

阀体材质：不锈锈304或316

阀门规格：G1/4-G2" 或F1/2-F4"

工作压力：0~100bar

介质温度：-40~+80℃

环境温度：-40~+50℃

密封材质：PTFE

标准电压：AC：220V（50/60HZ)/DC:24V

防护性能：防水、防爆（DⅡCT5、ExdⅡCT5、ExmbⅡCT4、ExdⅡCT4）、防腐。

防护等级：IP67、IP65

适用介质：制冷液体或气体、氟利昂、氨气，小于50CSt （大于50时需定制）

泄 漏 量： 零

注：出口端压力大于进口端压力，介质会反向导通。可安装止回阀
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