【化】 阀锥体

卧立两用静音止回阀是我公司自行设计，国内首创更新换代的最新专利产品，密封原理是由带锥面的阀瓣与线密麉阀座相吻合，回弹性好，克服了市场上卧立两用止回阀使用塑料圈密封而导致不耐高温的缺点，由于采用线密封，因而密封性能好，耐高温，耐使用寿命，卧立

bailer, valve drill bit (valve auger)

by-pass check valve (free-wheeled check valve)

semilunar valve

mitral valve-semilunar valve

AC solenoid for valve

solenoid directional valve

dual ball check valve

valve type arrester【电】;autovalve lightning arrester【电】;valve type arrester【电】