NB-IOT (Narrow Band Internet of Things) balance valve

The utility model discloses an NB-IOT (Narrow Band Internet of Things) balance valve, and relates to the technical field of balance valves of Internet of Things. The NB-IOT internet of things balance valve comprises a valve body, connecting pieces are fixedly connected to the left end and the right end of the valve body, a stroke cylinder is fixedly connected to the upper surface of the valve body, an electric actuator is arranged on the upper surface of the stroke cylinder, a moving groove communicating with the interior of the valve body is formed in the stroke cylinder, and a first sealing plate is slidably connected to the inner wall of the moving groove; a stroke rod is fixedly connected to the lower end of the first sealing plate, a threaded rod is fixedly connected to the lower surface of the electric actuator, a threaded cylinder is fixedly connected to the upper surface of the first sealing plate, and the threaded rod is sleeved with the threaded cylinder in a threaded mode, so that in the using proc