Selection Guide
Combination Fire/Smoke dampers UL HOUR RATING AMCA RATING MODEL
MAX VELOCITY (fpm)
MAX PRESSURE (in.wg)
MAX ASSEMBLY TEMP (°F)
LEAKAGE CLASS
PG
BLADE TYPE
MATERIAL
STANDARD FSD-141 FSD-142 FSD-143 FSD-151 FSD-152 FSD-151-SS FSD-152-SS
3 3 3 4 4 4 4 4 4 3 3 3 4 4 5 5 5 5 5 5 5 5 5 5 5
AIR AIR – AIR AIR AIR AIR AIR AIR AIR AIR AIR AIR AIR
1½ 1½ 1½ 1½ 1½ 1½ 1½ 1½ 1½
1 2 3 1 2 1 2 1 2 1 2 3 1 2 1 2 3 1 2 1 2 1 2 1 2
TRIPLE-V TRIPLE-V TRIPLE-V AIRFOIL AIRFOIL
GALV GALV/SS GALV/SS
2000 2000 2000 4000 4000 2000 2000 2000 4000 2000 2000 2000 4000 4000 2000 2000 2000 4000 4000 2000 2000 2000 2000 4000 4000
4 4 4 8 8 4 4 4 4 4 4 4 8 8 4 4 4 8 8 4 4 4 4 8 8
350 350 350 350 350 350 350 250 250 350 350 350 350 350 350 350 350 350 350 350 350 350 350 350 350
GALV GALV
STAINLESS AIRFOIL STAINLESS AIRFOIL
STAINLESS STAINLESS
VERT AIRFOIL VERT AIRFOIL
GALV GALV
FSD-151V FSD-152V
3 3 3 3 3 FSD-341 FSD-342 FSD-343 FSD-351 FSD-352 ACTUATOR IN THE AIRSTREAM – OUT-OF-PARTITION
TRIPLE-V TRIPLE-V TRIPLE-V AIRFOIL AIRFOIL TRIPLE-V TRIPLE-V TRIPLE-V AIRFOIL AIRFOIL TRIPLE-V TRIPLE-V TRIPLE-V TRIPLE-V AIRFOIL AIRFOIL
GALV/SS GALV/SS GALV/SS
GALV GALV
– – – – – – – – – – – – FSD-141-SP FSD-142-SP FSD-151-SP FSD-152-SP TRUE ROUND FSD-125R TUNNEL TYPE CORRIDOR CEILING FSD-141-OP FSD-142-OP FSD-143-OP FSD-151-OP FSD-152-OP FSD-171-OP FSD-172-OP SIDE PANEL – FRONT/ACCESS
1½ 1½ 1½ 1½ 1½ 1½ 1½ 1½ 1½ 1½ 1½
GALV GALV GALV GALV GALV GALV GALV GALV GALV GALV GALV
6
1½
1
ROUND
GALV/SS
3000
4
350
6 6 5 5
– – – –
1½* 1½* 1½* 1½*
1 2 1 2
TRIPLE-V TRIPLE-V TRIPLE-V TRIPLE-V
GALV GALV GALV GALV
2000 2000 2000 2000
4 4 4 4
350 350 350 350
FSD-171 FSD-172
FSD-171-OP FSD-172-OP
* Tunnel Type Corridor ceiling installation has 1 hr rating
Smoke dampers
MAX DYNAMIC CLOSURE VELOCITY (fpm)
UL HOUR RATING
MAX PRESSURE (in.wg)
UL555S LEAKAGE CLASS
MAX TEMP (°F)
HORIZ FLOORS
VERT WALLS
MODEL
CEILING
FIRE
PG
BLADE TYPE
MATERIAL
STANDARD SD-141 SD-142 SD-143 SD-151 SD-152 SD-151-V SD-152-V
9 9 9 9 9 9 9 9 9 9
– – – – – – – – – –
– – – – – – – – – –
TRIPLE-V TRIPLE-V TRIPLE-V AIRFOIL AIRFOIL
GALV GALV/SS GALV/SS
2000 2000 2000 4000 4000
4 4 4 8 8 4 4 4 4 4
350 350 350 350 350 250 250 350 350 250
1 2 3 1 2 1 2 1 2 1
2000 2000 2000 4000 4000 2000 4000 2000 2000 3000
GALV GALV GALV GALV
VERT AIRFOIL VERT AIRFOIL
– –
ROUND SD-151-SS SD-152-SS SD-93 TRUE ROUND SD-25R CEILING RADIATION/SMOKE
STAINLESS AIRFOIL STAINLESS AIRFOIL ALUMINUM AIRFOIL
STAINLESS STAINLESS GALV/ALUM
2000 2000 –
9
–
–
GALV/SS
3000
4
350
1
3000
9 9
CFS-171 CFS-172
3* 3*
1½ 1½
TRIPLE-V TRIPLE-V
GALV GALV
2000 2000
4 4
350 350
1 2
– –
* Tunnel Type Corridor ceiling installation has 1 hr rating
1
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