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Mandik FDMB Manual page 70

Fire dampers
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Round dampers
Cement
R1
lime
Cement
R2
lime
Cement
R3
lime
Cement
R4
lime
Cement
R5
-
lime
Cement
R6
-
lime
Cement
R7
-
lime
≥100
≥150
≥150
≥150
≥100
≥150
≥150
≥150
-
-
-
-
-
-
-
-
-
-
-
√ **)
69
≥100
-
-
≥100
-
-
≥100
-
-
≥100
-
-
Solid ceiling
-
≥150
construction *)
≥100/
-
≥150
≥100
-
-
-
-
-
-
-
-
-
-
≥100
-
-
-
-

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