Rotary inflation valve for oil containment boom

The invention discloses a rotary inflation valve for an oil containment boom. The upper surface of a valve deck is completely covered by an upper rubber sleeve (2), a threaded hole is formed in the middle of the valve deck, a rotary valve element is cylindrical, a flange is arranged on the upper end face of the rotary valve element, three grooves (7) evenly distributed in the circumferential direction are formed in the outer wall of the rotary valve element, each groove comprises an inclined part and a straight part, the gradient of the lower side edge of each inclined part is lower than thatof the upper side edge, each straight part is located above the corresponding inclined part and provided with a protrusion above the junction of the straight part; and threads matched with the threaded hole of the valve deck are arranged on the outer wall of a protrusion of the valve body, a through hole is formed in the middle of the protrusion, the flange of the rotary valve element is clamped between the upper portion