電(dian)(dian)動(dong)(dong)(dong)(dong)盲板(ban)(ban)閥(fa)(fa)主要由左閥(fa)(fa)體(ti)、右(you)(you)閥(fa)(fa)體(ti)、絲杠(gang)副、翻(fan)板(ban)(ban)、密封(feng)圏、杠(gang)桿(gan)(gan)、電(dian)(dian)動(dong)(dong)(dong)(dong)推(tui)桿(gan)(gan)等零(ling)件組(zu)成(cheng),并由底座、支撐柱構(gou)成(cheng)一(yi)個剛 性構(gou)體(ti)。閥(fa)(fa)門中設有(you)夾(jia)緊(jin)、電(dian)(dian)動(dong)(dong)(dong)(dong)推(tui)桿(gan)(gan)和翻(fan)板(ban)(ban)電(dian)(dian)動(dong)(dong)(dong)(dong)推(tui)桿(gan)(gan),夾(jia)緊(jin)電(dian)(dian)動(dong)(dong)(dong)(dong)推(tui)桿(gan)(gan)通過杠(gang)桿(gan)(gan)副和絲桿(gan)(gan)螺旋副驅動(dong)(dong)(dong)(dong)左、右(you)(you)閥(fa)(fa)體(ti)完成(cheng)松開(kai)、夾(jia)緊(jin)動(dong)(dong)(dong)(dong)作(zuo), 翻(fan)板(ban)(ban)電(dian)(dian)動(dong)(dong)(dong)(dong)推(tui)桿(gan)(gan)驅動(dong)(dong)(dong)(dong)翻(fan)板(ban)(ban)完成(cheng)開(kai)關動(dong)(dong)(dong)(dong)作(zuo)。橡膠密封(feng)圈鑲嵌在閥(fa)(fa)板(ban)(ban)上,具有(you)耐溫(wen)高(gao)、密封(feng)性能好、更換(huan)方(fang)便、使用(yong)壽命長等特點。