Explosion-proof pneumatic butterfly valve features: 1. Innovative, rational design with unique structure, lightweight, and quick opening and closing. 2. Low torque operation, easy to handle, and labor-saving with dexterity. 3. Can be installed at any position with convenient maintenance. 4. Sealing parts are replaceable, ensuring reliable double-sealing with zero leakage. 5. Features of aging and corrosion-resistant sealing materials, long service life. Utilizes a new pneumatic actuator, available in double-acting and single-acting (spring return) types, with gear rack transmission for safety and reliability; large-diameter valves use a series of AW-type pneumatic actuators with fork-type transmission, featuring rational structure, high output force, and available in both double-acting and single-acting types.