Explosion-proof flexible pipe is suitable for combustible dust atmosphere 20 region, 21 region, 22 region and ⅡBⅡC grade T1-T6 field. It is for connection of inlet and outlet connection of explosion-proof electrical apparatus. Pipe parts are formed by flexible metal tubing, outer layer superior rubber and strengthened nylon flexible tube and steel wire weaving pipe. It has features of flame resistant, oil resistant, corrosion resistant, water proofing, wear resistant, anti-aging, fine flexibility, solid structure and high reliability. Length: 500, 700, 1000