Get Professional Fire Dampers Services and stay safe

File damper is a device designed to impede the spread of fire through walls, floors and partitions. Its construction includes a galvanized steel frame and a fusible link, a heat sensitive device (usually set at 165° F). When the fusible link opens it releases the damper components to close. When the damper components close the damper will restrict the migration of fire. Fire damper products are listed with hourly ratings, see “Fire Rating” below. They are also listed as standard (static) dampers or dynamic dampers.

Type-A File damper: Used when the airflow interruption from the stack of blades in the fire damper frame is not a prime concern or consideration. Type-A dampers are the easiest and fastest type to install and are mostly used in low-pressure part of duct systems (up to 2” w.c.).

Type-B File damper: Used when airflow or velocity in the duct is a concern. The stack of blades in the fire damper frame is kept out of the air stream.

File damper are passive fire protection products designed to close when temperature rise to prevent spread of fire or smoke inside the ductwork. A Fire Damper is mainly fitted inside or at the top of the chimney. They are typically curtain style that will shut down when the fusible link melts.

File damper are mainly used to maintain the rating required of fire rate barriers such as walls, partitions, floors when they are penetrated by the ductwork. So whenever there is a rise in temperature, it will close and prevent the spread of flame thru the barrier.

There are few precautions that should be taken care of while using File damper so it is best to have installed it professionally. Proper inspection should be done of Fire Damper to make sure of any problems occurring. Every Damper must be inspected once in one year after its installation and then the frequency of inspection should be reduced gradually. Moreover, the National Fire Protection Association and other authorities have decided Life Safety Code which states that fire and smoke Dampers shall require inspection and testing one year after its installation

Annual Inspections, Passive Fire Protection

Fire Dampers are generally passive fire protection systems which are specially designed in the way that it gets close when there is a rise in temperature so as to stop the spread of fire.

Fire Dampers are used for avoiding fire, so proper steps should be taken for proper maintenance of these dampers. It is useful to stop the spread of fire which is caused inside the duct work and also prevent transmission of flame where air ducts penetrate fire barriers.

Initially, proper testing should be done at the time of its installation that is operational testing should be done of fire damper in order to ensure that it is working properly and there is full access to it as well as its components, verification should be done that all the devices are placed properly in their appropriate places, and other important verifications. All this testing done should then be documented which has all detailed information about the fire damper and instructions regarding its installation.

After the period of one year of installation of fire dampers, it is necessary to be inspected according to the National Fire Protection Standard and then the frequency should be every 4 years and 6 years for hospitals.

The following activities must be performed at the time of inspection:-

1] The fusible links where it is applicable should be removed for testing purpose.

2] All dampers should be operated so as to verify that they close properly and fully to stop spread of fire.

3] If the latch is being provided than it should be checked and moving parts lubricated if necessary.

4] There is no interference due to rust, misalignment, damaged frames or blades, defective hinges or parts, or bent tracks should be confirmed.

5] All inspections done of fire and smoke dampers should be documented properly which includes the details like the location of inspection, date of inspection, inspector, and applicable deficiencies.

6] If the damper is not operating properly than the repairs shall begin without doing any delay.

fire dampers are intended for installation in ducts and air transfer openings that are specially designed to resist the passage of air and smoke. Other safety measures which should be taken care of are:-

• It should be checked on a proper basis that the external components of each damper for signs of physical damage, obstructions preventing proper functioning, defective and missing parts, and proper labeling.

• Verification should be done regarding the proper sealing of the damper.

• Ensure that the damper is able close fully.

• There should be no blockage from the closure and must not be penetrated by any foreign objects as it affects fire damper operations.

• It should be ensured that if fusible link is damaged than it is being replaced with a link of the same size, temperature, and load rating.

Thus testing and safety measures are very important to be done so as to make sure that fire dampers works at its best at the time of fire and life safety event where it is most important to work. It is necessary for doing inspections regularly so that the system is always ready because we never know when the unexpected event is going to occur.

Source: http://brdsvcfs.articlealley.com/safety-guidelines-for-maintenance-of-fire-dampers-2320590.html

Importance of Fire damper and annual Inspections

Greyton was incorporated in August of 1994. Since then, the founder and director, Nigel Thomas, has created a company that provides a specialist service in the building industry, one that is fast becoming a leader in the area of  annual inspections ,passive fire protection. With 15 years' experience in the field Greyton has built up a high profile cliental and enjoys an excellent reputation. 

Passive Fire Protection Scope are -

Vermiculite fire spray application to steel, ductwork, concrete and large penetrations. Fire sealing of all floor and wall penetrations. Cladding of steel and ductwork with approved fire rated board systems. Design and Construction of fire rated ceilings, floors, bulkheads, cupboards, access panels, hatches, rooms, ducts, plenums, pits and shafts. Specialist coatings for cables and steelwork (Intumescent Paint, Cable Coating). Fire rated wall and floor jointing, including high movement joints. Re-fireproofing following asbestos removal from structural steel and mechanical duct works. Fire rated Glass.                   Our services include fire dampers , annual inspections,tunnel specialist, structural steel protection, mechanical & cable duct protection, partitions & ceiling . Fire Dampers are passive fire protection products designed to close when temperature rise to prevent spread of fire or smoke inside the ductwork. They are mostly used in ventilation or air-conditioning ductwork. A fire damper is typically curtain style that immediately shuts down when fusible links starts melting. So whenever there is a rise in temperature it will close automatically which will help flame not to spread through the barrier. At the time of installation of Fire damper, an operational test is needed to be conducted to verify that the damper operation is not obstructed and there is full access to the damper and all its components.

modern high-rise buildings with most of the ventilation, air conditioning and smoke control systems, in the event of fire, these systems will become the pipeline fire, smoke spread channel. In order to prevent the fire from clearly defined in the damper, exhaust valve setup requirements. Fire dampers used in ventilation and air conditioning systems to send, return air duct on the road, usually was open, when a fire occurs. fire  damper, exhaust valve in the ventilation, air conditioning and smoke control systems important role,Dampers including gravity dampers, fire control valve, fire air, pneumatic dampers, smoke dampers, smoke dampers and other.

   For further detail visit our website http://www.greyton.com.au/contact.asp