BAE
25 fire safety shutoff ND
25 shut-off device for prevention of fire and smoke, for installation in ventilation shafts and pipes with required fire resistance class K9 -
8
7 For insertion into spiral or for wall mounting with mounting sleeve EH. The fusible link is at ambient temperatures of about 72 degrees C without the wing-flaps that close abruptly by spring force. Two backup iron lock the doors. Without maintenance requirements. Approval number Z-4
.3-6
4 K9 -
8
7 Make: Helios No.: 2626 Type: BAE
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