GI sheet construction fire & smoke dampers with flat V type opposed blade operation, 16 swg G.I. blade 150mm wide, 16 swg G.I. frame 165mm wide, chrome plated spindle, self lubricating bronze bushes, blade. Linkage fully enclosed, stainless steel side seal gaskets on the sides.
Robust & fully welded construction.
Heavy duty interlocking blades.
Fully enclosed blade linkage mechanism.
Stainless steel side seal gaskets.
Self lubricating sintered bronze bushes
Manufactured from 16 gauge galvanized steel bland and frame
Fire tested by CBRI Roorkee for 120 minutes fire rating as per UL555-1995
Heavy duty interlocking blades and fully enclosed blade linkage mechanism
Constructed with stainless steel lateral blade seals and self lubricating sintered bronze bushes
WGDRS1 fire tested as per BS-476 Part 20, 120 minutes constructed with areofoil 20 gauge galvanized steel blade and stainless steel parts