Valve special for chlorine

The invention relates to a valve special for chlorine; the valve special for chlorine comprises a valve body; a valve base, a valve cover and a valve rod are arranged on the valve body; the valve cover and the valve base are fixedly connected through a bolt and a nut; the valve rod passes through the valve cover; a sealing filler and a pressure plate are arranged between the valve rod and the valve cover; a hand wheel is arranged on the top of the upper section of the valve rod in a connecting manner; a corrugated pipe is arranged on the lower section of the valve rod; a valve clack is arranged at the tail end of the lower section of the valve rod in a connecting manner; an oil cup is also arranged on the upper section of the valve rod; a sealing bowl is arranged in the valve cover; the sealing bowl is arranged on the valve rod; the corrugated pipe is in the sealing bowl; one end of the corrugated pipe is welded on the valve rod; the other end of the corrugated pipe is welded on the sealing bowl; the upper section of the sealing bowl is lined in the inner wall of the valve cover; a tetrafluoro sealing part is arranged at the tail end of the lower section of the sealing bowl; the outer edge of the sealing bowl extends to the position, at which the valve cover is contacted with the valve base; a hand wheel cap is arranged on the upper end of the hand wheel; an opening-degree adjusting bolt is arranged on the hand wheel cap; and a locating piece, a locating pin and an opening-degree indicator are also arranged on the valve body.