Fire Dampers

  • Persian: دمپر ضد حریق – دمپر ضد انفجار
  • English: Fire Dampers
  • used inline the ducts for prevent fire and smoke passing from the fire zone to another zone.

Fire Damper 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.

DESCRIPTION

Shahrokhi fire dampers constructed 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:

 

دمپر ضد حریق - دمپر ضد انفجار
Fire Dampers
  1.  The command system with a thermal element at 71 c set point usable in each three types of dampers.
  2. The command system with a thermal fuse at 68 c & 79 c set points usable in each three types of dampers.
  3. The command system with a smoke or thermal detectors usable in parallel and opposite types of dampers.

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.

 

دمپرهای ضد حریق کرکره ای
corrugate fire dampers

Either in these types of dampers is possible to fix the blades outside the air path inside a casing to decrease air pressure drop.

دمپرهای ضد حریق کرکره ای
corrugate fire dampers

PARALLEL & OPPOSITE FIRE DAMPERS

The parallel and opposite fire dampers have multi 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.

 

دمپرهای ضد حریق موازی و 7-8
parallel and opposite fire dampers

Either is possible to connected the linkage mechanism to an electrical motor at horizontal and vertical fixing positions.

دمپرهای ضد حریق موازی و 7-8
parallel and opposite fire dampers

MATERIAL

High quality 2mm. thickness iron galvanized or stainless-steel sheet for frames and

blades.

ORDERING CODE

Shahrokhi fire dampers are specified with following ordering code.

SH : Shahrokhi manufacture

FDA : Fire damper

T : type : CO1 : Corrugate type without casing

CO2 : Corrugate type with casing

PAG : Parallel weight type

PAM : Parallel motorized type

OPG : Opposite weight type

OPM : Opposite motorized type

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

 

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