Fire Damper.PDF

G U L F G R ILL Ese O.

FIREDAMPERS

FD20-VA FIRE DAMPER(VERTICAL MOUNTING)

STANDARD CONSTRUCTION

• Frame 4-7/8" wide x 20 gauge roll formedgalvanized steel.

• Blades Interlocking type, 24 gauge galvanizedsteel.

• Fusible Link: Standard for fusing temperatures of165°F. UL listed. Other fusingtemperatures are available on request.

• Mounting : Vertical.

• Fire Rating : 3 hours.

• Springs : Stainless steel closure springs.

• Finish : Mill galvanized.

Dimensional Detail

'1-+-- Fusible link

H

rt+-- Negator closurespring andblade lock

L~o---W3" U---.l 4-7/8" I--

H48" Max.

H35" Max.

Note: - Dampers for openings larger than maximum single section sizesshown above are assembled from equal size single section dampers.Wand H dimension furnished approximately 1/4" undersize.

* See Fire Damper Sizing Chart, on page 15-12.

15-1

FD20-HA FIRE DAMPER(HORIZONTAL MOUNTING)

STANDARD CONSTRUCTION r:

• Frame : 4-7/8" wide x 20 gauge roll formedgalvanized steel.

r-::;.;=======~'::::=----""-":::1C4-7/8"

7• Blades Interlocking type, 24 gauge

galvanized steel.

• Fusible Link : Standard for fusing temperaturesof 165°F. UL listed. Other fusingtemperatures are available onrequest.

W32" Max.

• Mounting Horizontal.

• Fire Rating 3 hours.



t f3" 4-7/8"

'-- •.._-_-:...-:...~-=--=--=-_j._-.i__ tC-H--J

. Negator closurespring andblade lock

Dimensional Detail

,--..----- Fusible link

Note: - Dampers for openings larger than maximum single section sizes shownabove are assembled from equal size single section dampers.Wand H dimension furnished approximately 1/4" undersize.


15-2

FD20-V8 FIRE DAMPER(VERTICAL MOUNTING)

• Fusible Link: Standard for fusing temperatures 0*

of 165°F. UL listed. Other fusingtemperatures are available onrequest.


• Frame : 4-7/8" wide x 20 gauge rollformed galvanized steel.

• Blades Interlocking type, 24 gaugegalvanized steel.

• Enclosure 20 gauge galvanized steel.

• Mounting Vertical.




Dimensional Detail

""1 r 3/4'

1\I\..~

I t--

\ I0

Fusible link

Negator closurespring andblade lock

H44" Max.

H31" Max.

0*

L



15-3

FD20·HB FIRE DAMPER(HORIZONTAL MOUNTING)





• Fusible Link: Standard for fusing temperaturesof 165°F. UL listed. Other fusingtemperatures are available onrequest.





Dimensional Detail

Fusible link

~3/4"'----

rlrn'n~--~~f4-7/8"

.............-;--~--I~

W40" Max.

H34" Max.

W32" Max.

o·



15-4

FD20-VC FIRE DAMPER(VERTICAL MOUNTING)



H44" Max.

• Frame 3-5/32" wide x 20 gauge galvanizedsteel channel.

• .Enclosure 20 gauge galvanized steel.

• Fusible Link: Standard for fusing temperaturesof 165°F UL listed. Other fusingtemperatures are available onrequest. 0*




• Finish Mill galvanized.

Model FD20-VC (Square or Rectangulardesign provides a nominal 100%free area Fire Damper).

Dimensional Detail

3-5/32"--i ~

Fusible link


1-3/16"jU \'-1-3/16"



15-5

FD20-HC FIRE DAMPER(HORIZONTAL MOUNTING)



~H ~-'/' 30"Max./,

• Blades

~ /7Interlocking type, 24 gauge ~,,~~i-'

galvanized steel. ~,,\\'"f.

1~3~/1«6~"~~~~~~~==~~~~~-,n• Enclosure 20 gauge galvanized steel.


Lo*--J





Model FD20-HC (Square or Rectangulardesign provides a nominal 100%free area Fire Damper).

Dimensional Detail

...---- Fusible link


L3-5/32"



15-6

FD20-VCR FIRE DAMPER(VERTICAL MOUNTING)










Model FD20-VCR (Round designprovides a nominal 100% free areaFire Damper).

Dimensional Detail

A~~?-~,-,

1\'-- ., 1-

Fusible link


Note: - Dampers for openings larger than maximum single section sizes shownabove are assembled from equal size single section dampers.D dimension furnished approximately 1/4" undersize.


15-7

FD20-HCR FIRE DAMPER(HORIZONTAL MOUNTING)




L D+2-1/2"


• Fusible Link: Standard for fusing temperatures of165°F. UL listed. Other fusingtemperatures are available onrequest.





Model FD20-HCR (Round design providesa nominal 100% free area FireDamper).

Dimensional Detail

US) e In

r-r- Negator closurespring andblade lock

1/ <, IIRIIII,... "-\Um /.

I I

F ·bl r k

3"

4-7/8"

3"

Note: - Dampers for openings larger than maximum single section sizes shownabove are assembled from equal size single section dampers.D dimension furnished approximately 1/4" undersize.


15-8

FD20-VCO FIRE DAMPER(VERTICAL MOUNTING)










Model FD20-VCO (Oval design providesa nominal 100% free area FireDamper).

Dimensional Detail

I't--+-- Fusible link

L+--t-- Negator closurespring andblade lock



15-9

FD20-HCO FIRE DAMPER(HORIZONTAL MOUNTING)



• Blades Interlocking type, 24 gaugegalvanized steel. 4-7/8"

• Enclosure 20 gauge galvanized steel. 7f• Fusible Link: Standard for fusing temperatures

of 165°F. UL listed. Other fusingtemperatures are available onrequest.





Model FD20-HCO (Oval design providesa nominal 100% free area FireDamper).

Dimensional Detail

,------ Fusible link


4-7/8"

3"

3"



15-10

FIRE DAMPERINTERLOCKING BLADE,

CURTAIN TYPE FIRE DAMPER WITH SLEEVE.




• Sleeves Maximum 36" length x· 20 gauge.galvanized steel.

• Enclosures : 20 gauge galvanized steel.


• Mounting Vertical or Horizontal.


rH

~

Model : FD25 - CR

r p---~I ",.:- ,I ~",,'lII ,I r I I'I I , I II' : I II ~, , I II I 'I I I: I ~ III I '\ I I,: ••\ I :

1"

Model : FD25 - CR

Model : FD25 - A

36" Max. •..

1H

Model : FD25 - A

r ""M"oiI I I' fI' I I II I , I II , , I

I I I I II I I I II I I : I HI " II 1\,,1 I I

~

I I ,. I II I '\ I II ' 011 ,

Model : FD25 - B

Model: 25CR Low pressure system only.W x H Dimension are equal. Diameteris always W minus 2".

Note:- No additional sleeve is required whenusing's' slip connections.

15-11

FIRE DAMPERSFD SERIES FIRE DAMPER SIZING CHART

p

qr-------,jl

~'-::::;:v..r~:::;I~

r-W+2-1/2" ~

H

r-- D+2-1/2" ~

I-" W+2-1/2" -t

H

FD2o-VAFD2o-HA

FD2D-VBFD20-HB

FD2D-VCFD20-HC

FD20-VCRFD20-HCR

FD20-VCOFD20-HCO

FD Models

FD20-VCH or D FD20-HC

Dimension FD20-VA FD20-VB FD20-VCRFD20-HA FD20-HB FD20-HCR

FD20-VCOFD20-HCO

(in.) p (in.) 0 (in.) 0 (in.)

6 1 7 - 7/16 8 - 5/87 1 - 1/4 8 - 5/8 9 - 3/48 1 - 1/4 9 - 5/8 10 - 3/49 1 - 1/2 10 - 7/8 12 - 3/6410 1 - 1/2 11 - 7/8 13 - 1/3211 1 - 3/4 13 - 1/8 14-5/1612 1 - 3/4 14 - 1/8 15 - 5/1613 1 - 3/4 15 - 1/8 16 - 9/3214 2 16 - 3/8 17 - 9/1615 2 17 - 3/8 18 - 9/1616 2 18 - 3/8 19 - 9/1617 2 - 1/4 19 - 5/8 20 - 3/418 2 - 1/4 20 - 5/8 21 - 3/419 2 - 1/2 21 - 7/8 23 - 1/3220 2 - 1/2 22 - 7/8 24 - 1/6421 2 - 3/4 24 - 3/32 25 - 9/3222 2 - 3/4 25 - 3/32 26 - 1/423 2 - 3/4 26 - 3/32 27 - 9/32.24 3 27 - 3/8 28-9/1625 3 28 - 3/8 29 - 9/1626 3 29 - 3/8 30 - 1/227 3 - 7/32 30 - 5/8 31 - 3/428 3 - 7/32 31 - 5/8 32 - 3/429 3 - 1/2 32 - 7/8 34 - 1/6430 3 - 1/2 33 - 7/8 3531 3 - 1/2 34 - 7/8 36 - 1/6432 3 - 3/4 36 - 1/16 37 - 1/433 3 - 3/4 37 - 5/64 38 - 1/434 4 38 - 3/8 39 - 1/235 4 39 - 3/8 40 - 1/236 4 40 - 5/16 41 - 1/237 4 - 1/4 41 - 9/16 42 - 3/438 4 - 1/4 42 - 9/16 43 - 3/439 4 - 1/4 43 - 5/8 44 - 3/440 4 - 1/2 44 - 7/8 4641 4 - 1/2 45 - 7/8 4742 4 - 3/4 47 - 5/64 48 - 7/3243 4 - 3/4 48 - 5/64 49 - 1/444 4 - 3/4 49 - 1/16 50 - 1/445 5 - -

46 5 - -

47 5 - 1/4 - -

48 5 - 1/4 - -

r:

15-12

FIRE DAMPERSMULTI-SECTION FIRE DAMPER

Model : FD20-VA

Model : FD20-HA

Model : FD20-HA

15-13


o

Model: FD2o-VB

Model: FD2()-'HB

Model: FD2o-HB

15-14


H

Model: FD20-VC

Model: FD20-HC

Model : FD20-HC

15-15


o

D

Model: FD20-VCR

Model: FD20-HCR

15-16


H

II '1'Jv------

Model: FD20-VCO

Model: FD20-HCO

15-17

FIRE DAMPERSPERFORMANCE DATA

0.25

en~(f) 0.2WIoZn,0 0.15rr:0wrr:::)(f) 0.10(f)Wrr:n,

0.05

Applicable to FD20-VA, VB, HA, and HB ModelsRecommended for low and medium velocities.

(91-95% FREE AREA)0.3

//~/

~

,y~~

~~I"'~'~t.>V

~~.>: 95% Max rnurnfr~

oo 490 980 1470 1960 2450

DUCT VELOCITY tprn

Applicable to FD20-VC, HC, VCR, HCR, vco, and HCa, ModelsRecommended for high velocities.

(100% FREE AREA)

0.5

OJ~ 0.4(f)WIoZa. 0.30a:0wrr:::) 0.2(f)(f)wrr:a.

0.1

0.6

///

~)~-+-

V --------:-------= (40" x WO)

I

15-18

oo 980 29401980 3920 4900

DUCT VELOCITY fpm

FIRE DAMPERSINSTALLATION INSTRUCTION

VERTICAL INSTALLATIONWALL

1-112" x 1-1/2" x 14 ga.Angles

FIRE DAMPERm>6Nou...:..iwoo:;;: Bolls & Nuls, Tack

welds or steel poprivets 12 max. cc.

1" Min. Over lap(4 sides)

on All Sides

HORIZONTAL INSTALLATION

1" Min. Over lap(4 sides)

FLOOR

1/4" Min. Clearance ----:1'T

Bolts & Nuts, Tackwelds or steel pop --r~~rivets 12 max. cc.

12"

1-112" x 1-1/2" x 14 ga.Angles

FIRE DAMPERDuct ConnectionsModel: FD20-

"HC" "HCR" "HCO"

Model: FD20-"HB" -.-u'----'r6" Max.on All Sides

Model: FD20-"HA"

NOTE: Figures show the vertical and horizontal installation details for a specific requirements forinstallation.

1. Minimum clearance of 1/4" shall be provided between the sleeve and wall or floor openings.2. Sleeve shall be of the same or heavier gauge as the duct to which is attached. Gauges shall

conform to SMACNA or ASHRAE duct standards. Sleeve shall be extended approximately 6"maximum on either side of wall or floor to facilitate the joining of the sleeve to the duct.

3. The following duct sleeve connection may be used on all systems: I. Inside Slip, II. Plain'S' S lip,III. Hemmed'S' Slip, IV.Alternate bar Slip (standard Slip), V. Reinforced standing'S' Slip, VI. SingleSlip, VII. Double'S' Slip, VIII. Cup Slip, IX. Drive Slip, X. Pocket Lock.

4. Mounting angles shall be minimum of 1-112" x 1-W' x 14 ga. fasten to sleeve only, with 1/4" dia. nutsand bolts, tack welds or pop rivets at 12" maximum spacing with a minimum of two connections oneach side, top and bottom. Mounting angles shall overlap wall a minimum of 1" on all four sides.

5. Damper shall be bolted, tack welded or screwed to sleeve on same spacing as angles.

\ \

15-19

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Fire Damper.PDF