Intelligent transformer ABS super king flexible brake relay valve applicable to eight after the first four, four six, four four, Shuangqiao car, single axle vehicle and trailer air brake trucks and buses. Has the following functions: 1, flexible adjustment function presents the design concept to the driver safety as the center of excellence; 2, the two PSA function lightly on the brake is more soft, to minimize tire wear; 3, the heating function, 4 winter antifreeze; pressure facing the crisis to realize overload Wang tons more powerful brake the function; 5, pressure ratio regulating function in the face of rugged let you control more easily.