进口低温电磁阀 液化气 液氨 液氮 空分专用电磁阀

液体、气体、油品可混合使用，提高阀的使用范围Liquid, gas, and oil can be mixed for use, increasing the range of use of the valve

进口超低温电磁阀工作原理--

常闭式：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。

Normally closed: 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：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。

Normally open: When the coil is energized, the pilot valve core is reset by the spring, the pilot hole is closed, and the upper chamber of the valve 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.

进口超低温电磁阀结构特点--

动作灵敏度，启闭迅速

活塞结构、性能稳定；

专制线圈、不易烧毁。

阀体采用热锻成型工艺、外型美观;

耐低温密封材料，密封性好；

塑封线圈，提高阀的可靠性并能防水、防潮;

进口超低温电磁阀选型参数--

产品规格：1/4-2"

阀体材质：不锈钢

介质温度：-200~+80℃ 

适用压力：0-100MPa

环境温度：－20～＋50℃

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

防护等级：IP67、IP65

阀芯材质: 均为不锈钢

控制方式：常开、常闭

电源电压：DC24~127V；AC36~380V

连接方式：内螺纹、法兰

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。

适用介质：粘 度：≤21m㎡/s，LNG、液化气、液氨、液氮、液氧、天然气、丙烷、乙稀、甲烷、氮气、二氧化碳、氟利昂