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品牌：RETZ瑞茨/我們一直致力于流體控制領域的持續創新，始于2005……進口油用電磁閥采用先導閥、活塞組合的結構設計,適用于導熱油、潤滑油、機油、柴油、汽油等常溫介質在管路中的自動啟閉，從而達到系統和設備的程序控制或遠程控制The RETZ oil solenoid valve is designed with a combination of pilot valve and piston structure, suitable for automatic opening and closing of normal temperature media such as heat transfer oil, lubricating oil, engine oil, diesel, gasoline, etc. in pipelines, thus achieving program control or remote control of the system and equipment

進口油用電磁閥控制原理--

常閉：normal close

當線圈通電時，先導閥芯吸合，先導孔打開，閥上腔卸壓，活塞靠下腔介質壓力推動，電磁閥打開。當線圈斷電時，先導閥芯靠彈簧復位，先導孔關閉，閥上腔由活塞節流孔增壓和復位彈簧的推力，電磁閥關閉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

常開 normally open

當線圈通電時，先導閥芯靠彈簧復位，先導孔關閉，閥上腔由活塞節流孔增壓和復位彈簧的推力，電磁閥關閉。當線圈斷電時，先導閥芯靠彈簧復位，先導孔打開，閥上腔卸壓，活塞靠下腔介質壓力推動，電磁閥打開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.

進口油用電磁閥結構特點--

線圈動作可靠，動作響應迅速;

配套線圈，不易燒毀；

閥芯均為不銹鋼活塞式，活塞環不會被介質中的雜質卡死;

線圈不易燒毀，提高閥的可靠性并能防水、防潮，不易燒毀;

線圈啟動閥芯同時拉動活塞，在零壓時都能正常工作;

進口油用電磁閥選型參數--

閥體材質：黃銅，鑄鋼,不銹銹304或316

接口尺寸：G1/4-G2" 或F1/2-F4"

工作壓力：0-10Mpa

介質粘度：易燃易爆液體、油品，小于50CSt （大于50時需定制）

介質溫度：-10~+80℃（+300℃，可選）

環境溫度：-10~+50℃

密封材質：聚四氟乙烯（PTFE)，丁腈橡膠（NBR）

標準電壓：AC：220V（50/60HZ)/DC:24V

防護性能：防水、防爆（DⅡCT5、ExdⅡCT5、ExmbⅡCT4、ExdⅡCT4）、防腐。

防護等級：IP67、IP65

注：出口端壓力大于進口端壓力，介質會反向導通。可安裝止回閥
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