Application‑based Industrial Explosion-proof Air Curtain segmentation isolates five dominant end‑use domains: Manufacturing, Oil & Gas, Chemical, Food & Beverage, and Pharmaceutical. In the Manufacturing segment, air curtains safeguard open‑door workstations against dust ingress and explosive atmospheres, representing the largest share (approximately 35%) due to widespread plant footprints. The Oil & Gas sector utilizes explosion‑proof curtains at wellhead platforms and refinery loading bays to prevent ignition of volatile hydrocarbons, contributing roughly 25% of market demand. Chemical facilities deploy these barriers around batch reactors and storage silos to contain flammable vapors, accounting for about 20% of sales. Food & Beverage operations, though less prone to explosive gases, employ air curtains for hygiene and to isolate high‑temperature zones, generating an estimated 12% share. Finally, the Pharmaceutical niche, driven by stringent sterility standards and occasional use of flammable solvents, comprises the remaining 8% of the market. These application slices shape product customization, compliance testing, and regional sales strategies within the overall market taxonomy.