Excluded: debris removal, replacement of damaged rubber pad to change the direction of the valve;
排除：清除杂物，更换已损坏的橡皮垫，改变阀片方向；
2
The valve consists of an electromagnetic loop, a valve core, a replacement spring and a shell and the valve core consists of a retaining iron, a movable bar and a sealing pad.
它由电磁线圈、阀芯、复位弹簧和外壳组成，阀芯由挡铁，动杆和密封垫构成。
3
WILLIAMSON company has provided for floating ball valve with a mounting pad, through which it is easy to fix the actuators, such as worm gear, pneumatic and electric actuators.