(1) The system features steel door frames, skeletons, and panels, with the panels internally filled with insulation material. It is equipped with special hinges, emergency locks, explosion relief devices, door closers, and other hardware accessories.

(2) The system door blast relief device can automatically sense the magnitude of the explosion pressure and release the door panel under the designed blast pressure to exhaust the pressure outward.

(3) Excellent thermal insulation, strong sealing, good wind resistance, low noise, and high anti-theft performance.

(4) The venting door area can serve as the venting area, resolving the issue of insufficient venting wall area and venting roof area within the explosion-proof zone in special situations.

(5) The system is reusable and offers a variety of door panel colors to meet different customer needs.