Solenoid valve, hand wheel, valvepositionswitch, air filter regulator and so on.
电磁阀、手轮机构、阀位开关、空气过滤减压器等。
2
There is limit block on the valve disc to ensure the open-close position , which is controlled by the stroke switch.
阀门的启闭位置由行程开关控制,且阀板上设有限位挡块以保证阀板的启闭位置。
3
The switchposition of butterfly disc is limited by the adjusting screw pole on the worm gear transmission device. The indicating device displays the position of the valveswitch.