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发明授权
CN103418103B 聚热式自力自动消防阀 失效 - 权利终止 转让

聚热式自力自动消防阀
摘要：
一种聚热式自力自动消防阀，属于降温，消防自动控制设备领域。其特征大活塞安装在阀体内的进水口上方，大活塞圆周边缘被活塞帽压住，活塞帽上的泄压孔与阀体上的泄压孔连通；阀芯上部插在阀芯套内，阀芯套的外面套有磁环套，磁环套内安装有磁环组件；磁环套的上部通过内螺纹与连动杆配合连接；连动杆穿过阀帽、聚热罩、隔热垫、温度记忆合金、挡板与固定件通过螺纹连接。本发明避免了现有玻璃泡技术在火情被扑灭以后，仍然水喷不止的缺陷，不仅节约了水资源，而且也避免了大量喷水引起的二次灾难。
摘要（英）：

A heat concentrating type self-operated automatic fire valve is characterized in that the first piston is provided on a top of the water inlet channel in the valve body, the piston cover is compressed on a circumferential periphery of the first piston; a pressurizing channel is provided on a center of the first piston; a first pressure relief channel is provided on a center or a circumferential periphery of the piston cover; the first pressure relief channel on the piston cover is communicated with the second pressure relief channel on the valve body; a magnetic pillar unit is sealedly provided on an upper portion of the valve core, and the second piston is provided on a lower portion of the valve core; a magnetic ring sleeve unit is sleeved on the valve-core sleeve, and a magnetic ring unit is provided in the magnetic ring sleeve unit.

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