Liquid chlorine regulating valve

The utility model provides a liquid chlorine regulating valve. The position of an actuator can be changed, and a valve deck is firmly connected with a valve body. The actuator is fixedly installed at the upper end of a support; the lower end of the support is fixed to the upper end of the valve deck; the lower end of the valve deck is fixed to the upper end of the valve body; the upper end of the valve deck is of a stepped shaft shape; the diameter of an upper portion of the upper end of the valve deck is smaller than that of a lower portion of the upper end of the valve deck; the upper portion of the upper end of the valve deck is installed in a support mounting hole and is in clearance fit with the support mounting hole; the lower portion of the upper end of the valve deck is located below the support mounting hole and is in interference fit with the support mounting hole; a thread is formed in the top of the upper end of the valve deck, and a nut is fixedly connected with the top of the upper end of the valve deck through the thread; the lower end of a support is clamped and fixed between the nut and the lower portion of the upper end of the valve deck; the lower end of the valve deck is fixedly connected with a thread at the upper end of the valve body, a gap on the outer side of the junction between the lower end of the valve deck and the upper end of the valve body is welded in a build up welding mode to form a welding layer, and the gap is filled with the welding layer.