Fire and smoke damper testing and inspection explained what are fire dampers. Pdf merge combine pdf files free tool to merge pdf online. The fire dampers were tested to 4hour fire resistance in single and multiplemodule construction on the wall, floor and dry wall. Hensomastik, which is classified in the fireresistance. Protects the integrity of a firesmoke barrier wherever it is. Sleeves shall not extend beyond the fire barrier more than 6 152mm unless an actuator or factory installed access door is supplied, then the sleeve may extend up to 16 406mm. They are designed to shut when a specified temperature or firesmoke condition is met, preventing the spread of fire and smoke. Installation of fire damper on drywall is much more complicated and should not be underestimated. For installation on masonry floor the fire damper should be positioned centrally within the wall opening so that the thermal expansion gap is equal all round. Fire and smoke dampers are fitted in ductwork where it passes through a fire compartment barrier, for example at firerated walls and floors. Gauges shall conform to smacna or ashrae duct standards. Reversible mounting allows actuator to be used for either clockwise cw or counterclockwise ccw spring rotation. The fd series steel curtain fire damper is designed to stop the spread of fire through ducts, walls, floors and ceilings.
If no, damper installer to advise the lead contractor of unforeseen. The number of control modules controlling the fire dampers operation will depend on your cause and effect matrix and the maximum voltage and current rating of the module itself. Fdr25 and fdr25ss round fire damper 112hour ul555 rated iifdr25514replaces iifdr258 ruskin 2014 1. Ventilating cavity fire barriers is a type of air transfer fire damper used in cavities or voids in constructions with natural ventilation, typically inside air gaps behind cladding. Our fire dampers are constructed of heavy gauge galvanized steel and with option of construction in stainless steel material. Fire and smoke dampera device that when activated either by interface with smoke sensors or by a. Circular fire damper for air duct system that penetrate fire resistance walls or floors. With 25 mm thick closing blade made from refractory material. Damper sleeve unless the damper frame is wide enough to. The function of a fire damper and its installation process. Note that this discussion applies only to fire dampers and combination fire smoke dampers. These are often subject to sudden direct flame impingement. Boss intumescent fire dampers allow the bidirectional movement of air through fire rated walls and floors. Firesmoke dampers are similar to fire dampers in fire resistance rating, and also prevent the spread of smoke inside the ducts.
I certify that all fire, smoke, and firesmoke dampers, existing and new, serving new construction andor renovated spaces have been see attached page for completion informationofpage tested, inspected and are operational per nfpa90 installer s name and companysignaturedate. I certify that all fire, smoke, and firesmoke dampers. The dibd20, 40, 60 carry a 1 12 hour ul fire damper label and are classified as a dynamic damper for use in hvac systems that. Nonmotorized single thickness blade 3 hour dynamically rated ul classified fire damper february 20 division of mestek member of amca sdmd39. Both motorized or normal fire damper function is to prevent the passage of flame from one side of a fire rated separation to the other. According to nfpa 90a 1999 edition, onehour firerated barriers do not require fire dampers in fully ducted hvac systems, unless the onehour firerated barrier is a vertical shaft. The smoke and fire damper of claim 1 wherein the said first spring has an initial untensioned diameter that is greater than the diameter of the step portion and the hub when the cable means is functioned to its second position upon deactivation of the motor. Fire and smoke damper testing and inspection explained. The product range has many features and options to meet the. Sleeve and damper are caulked at the factory to help. Basic training fire and smoke damper actuator replacement rev 1. If the air duct is an air transfer opening meaning it is not fully ducted at the fire rated barrier, then the duct needs a fire damper where other openings. This damper was designed to work with the existing co2 trigger system. All moving parts are selflubricating and additional lubrication is not required.
For such applications, rudolf hensel gmbh has its mixed penetration seal with fire dampers, type. Is the casing still capable of retaining the fire damper in the fire resistant wall or guiding the damper closed. If additional lubrication of multiblade damper axle bearings, jackshaft bearings or jamb seals is desired, use a silicone or dry. According to nfpa 90a 1999 edition, onehour fire rated barriers do not require fire dampers in fully ducted hvac systems, unless the onehour fire rated barrier is a vertical shaft. Fire dampers of type fkrseu, with ce marking and declaration of performance, for the isolation of duct penetrations between fire compartments in the event of a fire. Member of amca division of mestek april 2007 air balance installation instruction standard inst allation combination firesmoke damper models. The most prominent testing laboratories for evaluating fire resistive materials and assemblies is the underwriters laboratory ul, u. Each model of fire damper may be fabricated in 3 variations. Fire dampers can be supplied for building into steel decks or bulkheads, or for setting into masonry, walls and floors. This free online tool allows to combine multiple pdf or image files into a single pdf document.
While the components of the fireplace, including the firebox, the flue, and the damper, must work together, the damper can control how much oxygen reaches the fire and how well it continues to burn. Dibd20, 40, 60 fire dampers can be installed vertically in walls or horizontally in floors with fire resistance ratings of less than 3 hours. Md19ss application these dynamically rated fire smoke and fire dampers are intended to restrict the passage of flame. General product overview since 1971, nailor industries has been committed to the innovation and development of life safety products such as the 0700 ser ies ceiling dampers. Soda pdf is the solution for users looking to merge multiple files into a single pdf document. Hour dynamically rated ul classified fire damper operations rating. Fire dampers must be installed in such a way, that cleaning and maintenance work is supported. Fastacting twoposition spring return actuator for onoff damper control. A mechanical or intumescent device within a duct or ventilation opening that operates. A fire damper maintains the integrity of the fire separating elements by automatically closing the passage for a specific period, which prevents the fire from spreading to the other parts of the building.
Fire dampers automatically close in the event of a fire. Fire dampers serves to interrupt migratory airflow,resist the passage of flame and maintain the integrity of firer rated separation. Hvac control dampers commercial control dampers are used in buildings to regulate the flow of air in an hvac system. Ols curtain fire damper is modular in construction and large module size means higher free area and reduces resistance to air flow.
The fusible link attached to the damper would then melt, causing the dampers door to close. To prevent the propagation of fire and smoke through ductwork to adjacent designated fire. Fire dampers are typically intended to be used as part of the hvac duct system when passing through a fire rated barrier. Nonmotorized damper is 20 cfmft2 or motorized damper is 4 cfmft2. A in 20, almost 39% of the cases were structural fires causing more than 2800. All fire dampers apart from curtain must combine a latch that prevents rebound. Has it been corroded or dislodged from its proper position. The dibd20, 40, 60 carry a 1 12 hour ul fire damper label and are classified as a dynamic damper for use in hvac systems that remain in operation during a fire. It can be used to combine, split and compare pdf documents. Our pdf merger allows you to quickly combine multiple pdf files into one single pdf document, in just a few clicks. Fire dampers, smoke dampers, combination firesmoke dampers, ceiling radiation dampers and any other type of damper that performs a safety function in buildings fire protection or lifesafety system must work properly at the appropriate time during a fire or smoke emergency. What is the difference between motorized fire damper and.
Fire damper installation instructions static and dynamic 245023 4 sheets jul 06 round fire damper installation instructions static and dynamic 245024 2 sheets jul 06 out of wall partitions for fire dampers static and dynamic and fire smoke dampers installation instructions 245025 4 sheets jul 06 optional sealing of dampers in. Pmt has designed, tested and manufactures internal expansion fire dampers for all of your needs. Dynamic fire dampers will remain closed even if the airflow continues during the fire. The smoke and fire damper of claim 1 wherein the motor is stationary. Fire damper maintenance legislation ductbusters uk. The term fire damper is defined by approved document b, fire safety, volume 2, buildings other than dwellinghouses, as a. Fire dampers will close automatically when a temperature sensitive fuse link detects elevated temperatures and opens. Presentation overview overview of standards background changes to as1682 and referenced standards general changes installation overview general requirements product testing fire dampers smoke dampers summary.
Photo courtesy pottorff fire dampers are rarely actuated in the united states. Fire damper designing buildings wiki share your construction industry knowledge. Is the damper installed correctly for maintenance access, airflow and fire compartment location. All fire dampers must have a release mechanism that contains a thermal link. Intumescent fire dampers fire tested and for up to 2 hours fire integrity in plasterboard, concrete or masonry and. Siemens actuators for fire and smoke protection dampers gna126. Just before fitting, remove all packaging from the unit, any packing materials left inside the damper may prevent operation. The fdl dampers are used to prevent the spread of fire within the ventilation ductwork. This could be years after their installation and initial testing. Both types will be equipped with a fusible link which holds the blade open until it the link melts.
Amca intl, 2011 guide for commissioning and periodic performance testing of. Fdseries manufacturers and suppliers of air, fire and smoke. Make sure that power connection to fire damper is done by fire rated cables and power supply for transformers used is fed from ups if possible. Fire and smoke damper maintenance as1851 fire damper maintenance checks. Fire,smokeandcontrol damperforusewithelectro mechanicalorfully addressablecontrolsystems fire and smoke control dampers t h i s p r o d u c t i s s u p e r s e d e d b y t h e f s d t d e r i s j a n u a r y 2 0 1 0. Fd series fire dampers introduction uk introduction what is a fire damper and why might they be needed. The best protection against the spread of fire and smoke through the air ducts is provided by the motorised fire dampers to form fire compartments. There are heat sensitive devices or fusible links that create a mechanism to close the damper upon detecting fire. Tunnel corridor damper airfoil blade models 1221c1 and 1221c2 airfoil blade tunnel corridor combination. The dampers have a fusible link and prevent the spread of fire and gases within the ventilation ductwork. The fdl can be installed in rectangular or circular ducts. This commitment has helped foster industry standards, as well as provide worry free fire protection solutions that benefit toda ys building designers, owners and occupants. I certify that all fire, smoke, and fire smoke dampers, existing and new, serving new construction andor renovated spaces have been see attached page for completion informationofpage tested, inspected and are operational per nfpa90 installer s name and companysignaturedate. February 20 17ma multiblade fire damper nonmotorized airfoil blade 1.
It draws upon smacna fire, smoke and radiation damper installation guide for hvac systems, third edition, 1986, and. Fire damper a device that when activated by a rise in temperature of the air stream in a ventilation duct will close, thus preventing the spread of flame and hot smoke beyond the fire compartment boundary through which, the duct is passing. To prevent the propagation of fire and smoke through ductwork to adjacent designated fire compartments. The dampers can be installed in rectangular or circular ducts. This has changed with fire batt solutions as they provide a new level of flexibility. Ventilation ducts penetrate fire walls ventilation ducts penetrate fire rated ceilings note.
Fire dampers are passive fire protection products used in heating, ventilation, and air conditioning hvac ducts to prevent the spread of fire inside the ductwork through fireresistance rated walls and floors. They can be used in intake, exhaust, or mixed air applications. Note that this discussion applies only to fire dampers and combination firesmoke dampers. The insert doctments function allows you adding all or partial pages of a certain. The actuator accepts an onoff signal from a singlepole, singlethrow spst controller. In general, a fire damper works when the heat from the fire causes the normal temperature of a room to rise to about 165 degrees fahrenheit. Fire dampers including intumescent are not suitable for use on protected escape routes because they do not protect the escape route from. But one question you may not know the answer to is how do fire dampers work.
Fdseries manufacturers and suppliers of air, fire and. In a fire situation the slats in the damper intumesces and swells to many times the original size, closing the damper and forming a solid fire barrier. The actuator is supplied with a 5 spring preload to ensure a certain closing pressure for the air damper. Basic training fire and smoke damper actuator replacement. The spread of fire and smoke through ventilation ducts must be prevented. The defined protection targets from the fire safety concept of a building must be reached. The largest single module is 1500 x 1500 mm for wall mounted damper and 1200 x 1680 mm for floor mounted damper. Fire damper frequently asked questions for asfp fire dampers to protect escape routes 1. Fire dampers are devices designed to impede the spread of fire through walls, floors and partitions. Halton fdl fire dampers are typeapproved class a0a60 fire dampers for use in offshore, marine and navy ventilation systems. Fdb2 fire and gas dampers fdb2 fire and gas dampers are used in offshore, marine and navy ventilation systems. It draws upon smacna fire, smoke and radiation damper installation guide for. Expansion gap a square opening in wood or metal stud walls or masonry walls and floors shall be a minimum of 1 25 and a maximum of 212 64 larger than the damper diameter.
Fire protection compartmentation general catalogue 2011 compliance latest versions of ul 555 and normally open but can be closed through remote signal from fire alarm control panel bms or closed automatically upon detection of heat. Can i use fire dampers where ductwork passes through an escape route such as a protected stairway or corridor. To lock the damper in this position, lift the locking pin with black knob in the fuse shaft. The fire damper is installed to maintain the integrity of the division at the point of penetration and should have the same fire rating as the division itself. Fire dampers, smoke dampers, combination fire smoke dampers, ceiling radiation dampers and any other type of damper that performs a safety function in buildings fire protection or lifesafety system must work properly at the appropriate time during a fire or smoke emergency.
279 1457 52 1284 177 589 337 452 897 1091 1162 856 1184 1296 81 1524 955 354 856 1286 469 1263 823 1107 671 1186 1326 88 935 1463 1414 608 1290 1225 301 124 808