http://www.fabco-air.com/ 主页给你 全英文的这是型号介绍3500的http://www.fabco-air.com/products/control_valves/3500series.htmlThe Series 3500 2-way, 2-position Solenoid valve uses the latest combinations of technologies for materials and function which provide the user with the highest quality, smallest size per Cv of flow and mos
