BTK 125
fire protection valve flap
shut-off device for prevention of
fire and smoke. For installation in ventilation
shafts or walls as fire compartments
cut with required fire resistance
class K90-serve was 4102. To turn
feed into spiral or wall-
mount with mounting sleeve EH (supplied
scope of delivery included). Approval number
Z-41.3-588th

Make: Helios
Item: 2630
Type: BTK 125
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