We build cast iron boiler fire doors serving heavy bulk operations in Aligarh that help keep combustion chambers tight and safe for long runs. These doors face tough heat, ash, and wear but hold up without bending or breaking easily.Seal compression is critical here. If the door's seal doesn't compress right, hot gases leak out, hurting efficiency and safety. Our design squeezes seals evenly to keep pressure tight without needing extra force or r ... Continue