常闭型智能电子阀，使用寿命长久；工作原理是依靠热胀冷缩来完成，无机械 传动，不存在部件磨损情况、低能耗、石蜡推进原件、经PTC加热驱动，运行状态指示、无噪音免维 修，360°安装方式，安装简单方便，采用阀门适配器与阀门完美结合。

Using the UK's top technology, normally closed type intelligent electronic valve, long service life; The working principle is to rely on thermal expansion and cold contraction to complete, no mechanical transmission, no parts wear, low energy consumption, parafn propulsion compo- nents, driven by PTC heating, running state indication, no noise and no maintenance, 360° installa- tion, simple and convenient installation, using valve adapter and valve perfect combination.