Mandik FDMR Installation Instructions Manual page 34

• The damper bodies are normally supplied in their galvanized sheet steel design (alternatively stainless steel)
without any additional surface finish.
• The damper blades are made of asbestos-free fire-resistant mineral fibre boards.
• The damper control devices are made of galvanized materials (alternatively of stainless steel) without any
additional surface finish.
• The springs are galvanized (alternatively made of stainless steel).
• The thermal protection fuses are made of brass sheet 0.5 mm thick.
• The connecting material is galvanized (alternatively made of stainless steel).
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