FIRE DAMPERS

APPLICATION

Shahrokhi fire dampers are used inline the

ducts for prevent fire and smoke passing

from the fire zone to another zone.These dampers fixed along the wall or

partition at vertical position and along the

ceiling at horizontal position.

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DESCRIPTION

Shahrokhi fire dampers contructed in three

types of corrugate , parallel and opposite.These dampers have an access door to

control and change the fuse (Figure 5) and

either equipped with a command system to

close the air duct path as following:

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(FIGURE 5)

ROUND

DUCT

RECTANGULAR

DUCT

RECTANGULAR

DUCTROUND

DUCT

FIRE DAMPER FIRE DAMPER

ADAPTOR

ACCESS DOORACCESS DOOR

ADAPTOR

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A) The command system with a thermal

element at 71 c set point usable in each

three types of dampers.

B) The command system with a thermal fuse

at 68 c & 79 c set points usable in each three

types of dampers.

C) The command system with a smoke or

thermal detectors usable in parallel and

opposite types of dampers.

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CORRUGATE FIRE DAMPERS

The corrugate fire dampers have a number

of interlocking blades which these blades

fixed the damper at open position by use a

support.In fire time at vertical fixing position the

damper closed because of blades weight

and at horizontal fixing position closed by a

special spring (figure 6).

Either in these type of dampers is possible to

fix the blades out side the air path inside a

casing to decrease air pressure drop

(figure 7).

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(FIGURE 7)

(FIGURE 6)

ALL DIMENSION IN mm.

ALL DIMENSION IN mm.

150.0

BLADE LOCK

150.0

90.0

150.0 150.0

90.0 90.0

SPRING

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PARALLEL & OPPOSITE FIRE DAMPERS

The parallel and opposite fire dampers have

multy blades with a common linkage

mechanism which these blades fixed

damper at open position by use a support.In fire time , the damper closed because of

the weight attached the blades at vertical

fixing position (Figure 8).

Either is possible to connected the linkage

mechanism to an electrical motor at

horizontal and vertical fixing positions

(Figure 9).

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(FIGURE 8)

(FIGURE 9)

ALL DIMENSION IN mm.

ALL DIMENSION IN mm.

150.0 150.0 150.0

WEIGHT

200.0

FUSIBLE

LINK

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ORDERING CODE

Shahrokhi fire dampers are specified with

following ordering code.

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SH : Shahrokhi manufacture

FDA : Fire damper

T : type : CO1 :

CO2 :

PAG :

PAM :

OPG :

OPM :

Corrugate type without casing

Corrugate type with casing

Parallel weight type

Parallel motorized type

Opposite weight type

Opposite motorized type

W x H : Width (inch) x Height (inch)

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: CO1

: CO2

: PAG

: PAM

: OPG

: OPM

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SH.FDA.T- W x H

MATERIAL

High quality 2mm. thickness iron galvanized

or stainless steel sheet for frames and

blades.

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