进口先导膜片式电磁阀产品概述：

德国《LOCKE》洛克--进口先导膜片式电磁阀是指采用不锈钢材质，先导膜片式结构的电磁阀。阀前后存在压力差，大通径选用先导式电磁阀。先导式电磁阀，通电时，依靠电磁力提起阀杆，导阀口打开，此时电磁阀上腔通过先导孔卸压，在主阀芯周围形成上低下高的压差，在压力差的作用下，流体压力推动主阀芯向上移动将主阀口打开；断电时，在弹簧力和主阀芯重力的作用下，阀杆复位，电磁阀上腔压力升高，流体压力推动主阀芯向下移动，主阀口关闭。

The imported pilot diaphragm type solenoid valve is made of stainless steel with pilot diaphragm structure. There is a pressure difference between the front and rear of the valve, and the pilot type solenoid valve is selected for the large diameter. When the pilot type solenoid valve is powered on, the valve rod is lifted by the electromagnetic force, and the pilot valve port is opened. At this time, the upper chamber of the solenoid valve releases the pressure through the pilot hole, forming a high differential pressure around the main valve core. Under the action of the pressure difference, the fluid pressure pushes the main valve core to move upward to open the main valve port; when the power is off, the valve rod is reset under the action of spring force and the gravity of the main valve core, and the upper chamber of the solenoid valve is opened When the pressure increases, the fluid pressure pushes the main valve core downward and the main valve port is closed.

进口先导膜片式电磁阀性能范围：

公称通径 DN15～200mm

原理结构 先导膜片式

环境温度 -10～+50℃ -40～+80℃

线圈温度 <+50℃、<+85℃

控制方式 常闭、常开、自保持

公称压力 0.03～0.8Mpa

阀体材质 铸钢、不锈钢304、316

适用介质 液体、水、热水、气、油、瓦斯等

介质温度 -10℃～120℃

介质粘度 小于50CSt （大于50时需定制）

防护性能 防水、防尘、防爆（Exd IICT5）、防腐

阀芯材质 均为不锈钢

接线方式 接线座式、引线式、插头式

电源电压 DC12、DC24V、DC36V、DC110V、DC127V、DC220V、DC380V；

AC24V、AC36、AC110V、AC127V、AC220V、AC380V

连接方式 法兰、内螺纹、外螺纹、卡套、焊接

泄  漏  量 零泄漏

备       注 特殊型可定制

进口先导膜片式电磁阀产品特点：

1、采用膜片式结构、对介质洁净度要求较低

2、阀门流量系数比普通阀提高10%

3、采用特殊密封结构和进口合成橡胶密封无泄漏

4、工作平稳噪音低、无水锤冲击、无颤抖声

5、液体、气体、可混合使用，更加提高电磁阀的使用范围

6、采用进口合成橡胶密封寿命长是同类产品的5倍以上、经受二十年长期市场考验