Valve used on sprinkling irrigator

The utility model relates to a valve used on a sprinkling irrigator. The valve comprises a valve body, a rotating boss is arranged in the middle of the valve body, threaded bosses are symmetrically arranged on two sides of the rotating boss, diameter of each threaded boss is 0.8 time that of the rotating boss, a hexagonal hole is formed in the rotating boss, a step screw is mounted at the lower end of the rotating boss, a polygonal boss is arranged in the middle of the step screw, a pin hole is formed in the lower end of the step screw, and a valve core, a steel ball, a spring and an adjusting rod are sequentially mounted in the valve body from left to right. By arranging the threaded bosses and the rotating boss, axial mounting and fixing of the valve body are facilitated; by arranging the step screw, transverse mounting and fixing of the valve body are facilitated, and increasing of various fixing modes of the valve body is facilitated; by arranging the polygonal boss and the hexagonal hole, using a wrench to mount the valve body by operating personnel is facilitated. The valve is simple in structure, convenient to operate, economical and practical.