Description
SIZE
To be maximum 24″ x 24″ with fusible link only at the lower portion of the doors.
APPLICATION
Allowed to be used in fire rated honeycomb infill and rockwool infill (maximum density – 80 kg/m3)
Fire Rated Steel Louver should be installed below 1000 mm height from the floor level in the bottom half of the door leaf, minimum distance of the louver cut out from the door edges / as per our approval
Louver cut out – 1.5 mm thick galvanized steel C- Channel should be used around the steel louver for the reinforcement.
Louver Frame and Beading – 1.2 mm Galvanized Steel
Frame is welded to the door leaf and beading is fixed using M4 x 12 mm self- tapping screws, 3 nos. on each sides.
Louver blade – 1.2 mm thick galvanized steel blades are used.
FIRE RATINGS
BRISTOL fire rated louver with fusible link have qualified for the following ratings according to BS 475 part 22 standard.
Integrity up to 240 Minutes
ANSI /UL10C – Up to 90 Minutes
| Approval | Standard | Infill | Door | Range | Leaf Height (mm) | Leaf width (mm) | Max Area (sq.m) | Louver Height | Louver width | Max Area (sq.m) | Fire Rating (Min) |
| Intertek | BS 476-Part 22: 1987 | Honey comb | Double | From | 2642 | 872 | 2.3 | 616 | 616 | 0.379 | 30/60/90/120 |
| To | 2110 | 1092 | |||||||||
| Intertek | BS 476-Part 22: 1987 | Honey comb | Double | From | 2438 | 875 | 2.3 | 616 | 616 | 0.379 | 180 |
| To | 2117 | 1008 | |||||||||
| Intertek | BS 476-Part 22: 1987 | Honey comb | Double | Max | 2032 | 840 | 2.3 | 616 | 616 | 0.379 | 240 |
| Intertek | BS 476-Part 22: 1987 | Honey comb | Single | From | 2642 | 918 | 2.425 | 616 | 616 | 0.379 | 30/60/90/120 |
| To | 2110 | 1149 | |||||||||
| Intertek | BS 476-Part 22: 1987 | Honey comb | Single | From | 2438 | 921 | 2.425 | 616 | 616 | 0.379 | 180 |
| To | 2117 | 1060 | |||||||||
| Intertek | BS 476-Part 22: 1987 | Honey comb | Single | Max | 2032 | 884 | 1.796 | 616 | 616 | 0.379 | 240 |
| Intertek | BS 476-Part 22: 1987 | Rockwool | Double | From | 2337 | 877 | 2.07 | 616 | 616 | 0.379 | 30/60/90/120 |
| To | 2120 | 966 | |||||||||
| Intertek | BS 476-Part 22: 1987 | Rockwool | Double | Max | 2032 | 840 | 1.7 | 616 | 616 | 0.379 | 160 |
| Q-MARK | BS 476-Part 22: 1987 | Honey comb | Single | From | 2456 | 991 | 2.433 | 616 | 616 | 0.379 | 120 |
| To | 2230 | 1092 | |||||||||
| Q-MARK | BS 476-Part 22: 1987 | Honey comb | Double door | From | 2456 | 991 | 2.433 | 616 | 616 | 0.379 | 120 |
| To | 2230 | 1092 | |||||||||
| Q-MARK | BS 476-Part 22: 1987 | Rockwool | Single door | From | 2438 | 1092 | 2.662 | 616 | 616 | 0.379 | 90 |
| To | 2686 | 991 | |||||||||
| Q-MARK | BS 476-Part 22: 1987 | Rockwool | Double door | From | 2438 | 1092 | 2.662 | 616 | 616 | 0.379 | 120 |
| To | 2686 | 991 | |||||||||
| UL | UL 10C | Honey comb | Single door | Max | 2136 | 1040 | 2.22 | 616 | 616 | 0.379 | 90 |
| UL | UL 10C | Honey comb | Double | Max | 2136 | 1040 | 2.22 | 616 | 616 | 0.379 | 90 |
| UL | UL 10C | Rockwool | Double | Max | 2945 | 1340 | 3.946 | 616 | 616 | 0.379 | 90 |
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