ZDL-21000/41000{電(dian)(dian)動調(diao)(diao)節(jie)閥包括ZDL-21000系(xi)列(lie)電(dian)(dian)動單座調(diao)(diao)節(jie)閥和ZDL-41000系(xi)列(lie)電(dian)(dian)動套(tao)筒調(diao)(diao)節(jie)閥二個系(xi)列(lie)。電(dian)(dian)動調(diao)(diao)節(jie)閥由電(dian)(dian)動執行機構和我廠從美(mei)國(guo)Masoneilan公(gong)司引(yin)進的21000系(xi)列(lie)單座閥及41000系(xi)列(lie)套(tao)筒閥組成
查看詳細介紹