Fire Dampers
CURTAIN BLADE FIRE DAMPERS
STATIC AND DYNAMIC
Fire dampers with curtain style blades are a cost savings solution to dynamic and static fire control. 1½ and 3 Hour UL 555 Rating ¢ Meets NFPA Standards ¢ Stainless Steel Construction Available ¢ CSFM Listing
OUR VFD-10D IS THE LARGEST SINGLE SECTION CURTAIN FIRE DAMPER IN THE INDUSTRY.
MIN SIZE (in)
MAXIMUM DYNAMIC CLOSURE RATING
DAMPER MAXIMUM SIZE (in)
UL555 FIRE RESISTANCE (hr)
STATIC DYNAMIC
VELOCITY (fpm)
PRESSURE (in.wg.)
MODEL
WALL
FLOOR
WALL
FLOOR
CURTAIN STYLE BLADES
108×24 108×21 106×20 108×24 108×21 106×20 48×48 48×44 36×48 36×44 120×80 80×120 120×76 80×116 118×75 78×115 72×120 120×72 120×69 72×117 118×68 70×116
4×4
6×6
80×80
–
–
VFD-10-A
1½
STATIC
●
4×2
6×4
80×76
–
–
VFD-10-B
1½
STATIC
●
4×2
4×3
78×75
–
–
VFD-10-C
1½
STATIC
●
76×96 76×93 74×91 36×36 72×18 36×34 72×16 34×33 70×15
4000**
4
VFD-10D-A
1½
DYNAMIC
6×6
6×6
●
4000**
4
VFD-10D-B
1½
DYNAMIC
6×4
6×4
●
4000**
4
VFD-10D-C
1½
DYNAMIC
4×3
4×3
●
STATIC STATIC STATIC
4×4 4×2 4×2 6×6 6×4 4×3 4×4 4×2 6×6 6×4
6×10 6×8 4×7
3 3 3 3 3 3
– – –
– – – 4 4 4 – – 4 4
VFD-30-A VFD-30-B VFD-30-C
● ● ● ● ● ●
DYNAMIC DYNAMIC DYNAMIC
– –
– – – – – – –
4000 4000 4000
VFD-30D-A VFD-30D-B VFD-30D-C CURTAIN INTEGRAL MOUNTED ANGLE
–
STATIC STATIC
– – – –
– – – –
1½ 1½ 1½ 1½
– –
VFD-10-IMA VFD-10-IMB
DYNAMIC DYNAMIC
4000 4000
VFD-10D-IMA VFD-10D-IMB OUT-OF-PARTITION VFD-10-OP VFD-10D-OP THINLINE
STATIC DYNAMIC
6×6 6×6
36×36 36×36
36×36 36×36
– –
1½ 1½
– 4000
– 4
6×6 6×6
36×72 72×36 36×65 72×29 72×36 36×72 72×29 36×65
–
VFD-10-TLA
1½
THINLINE STATIC
4×4
–
–
–
–
–
VFD-10-TLB
1½
THINLINE STATIC
4×2
–
–
–
–
–
VFD-10D-TLA
1½
THINLINE DYNAMIC
6×6
–
4000*
4
–
–
VFD-10D-TLB
1½
THINLINE DYNAMIC
6×4
–
4000*
4
–
See catalog online for stainless steel max sizes
*2000 FPM on multi-section | ** 2000 FPM. Limited sizes for 4000 FPM (See catalog online)
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