Our main supply duct has motorized fire damper .why do we need branch duct FD need to be motorized due to fire suppression system?

أفضل جواب: <p>We need Fire Damper when Duct cross any zone or wall and reach new zone then we give fire Damper ... الإطلاع على المزيد

أفضل جواب: It Depends on the Fire Zone Area, Generally, it has to be installed at every riser for supply, fresh and ... الإطلاع على المزيد

أفضل جواب: Use stamp and or marks authenticated by guards everytime transactions are made to have a double recording ... الإطلاع على المزيد

أفضل جواب: It depends on many situations sometimes it is installed on both sometimes on one. But the answer to your ... الإطلاع على المزيد