Cooling of entrance doors / manholes / Doors / Show openings / Explosion doors / Exhaust door / Cleaning doors / Flame valves in square, rectangular, round, oval design or other variants to avoid overheating damage

摘要

Cooled entry-level doors / manholes / doors / inspection openings / explosion doors / explosion-proof doors / cleaning doors / firing fittings in square, rectangular, round, oval design or other variants, various designs, various materials and DIN standards