Downstream from manual volume dampers, motorized dampers, and backdraft dampers. Testing and Commissioning Method Statements, Commercial & Finance Management Procedures, HVAC Building Construction Method Statements, Method Statement For Switchgear Installation Of MV LV HV Switchgear Panels. HVAC Dampers, Louvers and Air Control Products Since 1905, Johnson Controls has manufactured industry-leading temperature control dampers. Provide duct access doors for internal access to all dampers. Interface fire and smoke damper with the fire alarm system. Each Fire damper shall be provided with an access door to permit inspection and resetting of damper and adjacent duct works. Both designs offer models that allow damper adjustment through the face of the air outlet or from a remote access point in a wall, ceiling, or closet. The Holyoake HFS-R-146 is a fire and leakage rated Multi-leaf steel damper for the prevention of the spread of fire and/or smoke through ducted air systems, or between plenums. �#��{��F~���@�9�c�_����\����,�@`%+����������ߐ7����\a� W�+�� Drawing   plans,   schematics,   and   diagrams   indicate   general   location   and arrangement  of ductworks. Dampers larger than a single section will be made up of equal size sections which, depending upon model and size, may be shipped as a single complete assembly or as separate sections for field assembly. BETEC CAD manufactures high quality volume control dampers, specially designed for use in HVAC Heating Ventilating and Air conditioning systems for volume, flow and pressure control of air within the ducts. installation of Fire dampers should be completed as per specification and manufacture recommendations. �"��B�'{����,��s9�A�0G�#����bd?���/�0{ z { z { z�9/`��>�����������������������ף�����2S���Td*3�ʾ��ʾ��ʹs)�R̥����������k�k�kt3��nF7�����ft3��nF7�����f\�|�F�ܑز�d�����R�Ga>~����c�:��0�< high (1524mm x 1880mm). 2. note: the retaining angles on both sides of the fire damper may be inverted in order to accomodate a register or grille. detail of opening preparation and fire damper installation wall rating - 1 hr. While there are other elements of an approved damper installation this figure will represent the elements in this discussion. H�\��j�0E�� Install dampers according to manufacturer’s  installation instruction  and applicable portions of details of construction as shown in SMACNA standards. During  installation, ensure that  the  dampers  complies  with  the  specification requirements and notify the main contractor / consultant in advance at least 24 hours before inspection must be made. Determine the position of the damper to be fixed on the duct from the construction drawing and check site conditions. There are two categories of control dampers: • Balancing • Volume Control Maximize Performance - Low Profile Frame On dampers that are 17 in. 3V Blade. 0000004416 00000 n Sheet Metal Galvanized Steel (GI) Zinc coating Z-22 to Z-27 as per ASTM-A653 Standards. Our Line of Products. Available in both non-isolating flow control (VCD) and isolating flow control Manual Isolation (MID), these dampers are suited to high-integrity application where lifespan and simplicity are key, with optional ATEX third party approval. Provide test holes at inlet and outlet  and elsewhere as indicated. Application & General Notes: Storage: These installation instructions apply to Control Dampers of the smoke dampers which are used for smoke management/control only and are not used as fire separation protection. Designed for the control of air through the connecting ductwork and is suitable for continuous elevated temperatures up to 300°C. -�Eq���������,����[:0���غ:WH�v���~r�4��0�S���-��ù�Ųr]�N�O�{iƢ̃��.�x��v����:��{�t�1��ԅ�dz{��=Ǐp qr�^�.�r�{3~k.���}�����)���ů�\5?/)�]��MRϡ��Z��-_�"���^8�xj�4��+|�X�[f%+xKނw�����y��9�2W� Determine the position of the Damper to be fixed on the duct from the construction drawings. Unless otherwise   specified,  all installation shall be  according  approved  shop drawings and contract  specifications. the fire separation as shown below. The damper sometimes can also be used for the other purposes like for directing an air stream to flow in a particular direction, just by allowing the blades to turn at the precise angle. The Evolutionr Damper Control (and the zone dampers) may be installed in any area where the temperature remains between --4 F to 158 F(--20 Cto70 C), and where there is no condensation. Connect duct security bars to ducts with flexible connections. endstream endobj 626 0 obj <>/Filter/FlateDecode/Index[30 574]/Length 42/Size 604/Type/XRef/W[1 1 1]>>stream 604 0 obj <> endobj Examine areas and conditions  with  requirements for installation tolerances  and other conditions  affecting performance,operation and maintenance of dampers. Today, we offer a complete line of HVAC dampers and air control products including volume control, balancing, round, zone, fire, smoke and combined models. 0000429643 00000 n SAFID prides on specialized skills, broad experience, and technological expertise to manufacture a diverse line of premium HVAC products and … Install damper within fire separation as detailed in the appropriate. Weld each bar to steel sleeve and each crossing bar. the damper lower frame and the grille it is being mounted to. Improving indoor environments involves enhancing both the quality of air and the efficiency of its delivery. Elevated Temperature Volume Control Dampers Dampers. Industrial Dampers. Adjust volume control devices as required by the testing and balancing procedures to achieve required air flow as-per the Contract Specification, Installation Method Statement For Fire Dampers. Also check to see that when the link melts, that the 0000003017 00000 n %%EOF Discussion A general diagram of a standard fire damper installation is shown in Figure 1. 0000001138 00000 n Access doors up to 600 mm by 1200 mm: Three hinges and two compression latches. This value can then be set using the rotary knob with the position indicator (stepless adjustment between 0 and 10). Place the model ANG angle around the damper sleeve on both sides of. endstream endobj 605 0 obj <>/Metadata 28 0 R/Pages 27 0 R/StructTreeRoot 30 0 R/Type/Catalog/ViewerPreferences<>>> endobj 606 0 obj <>/Font<>/ProcSet[/PDF/Text/ImageC]/XObject<>>>/Rotate 0/StructParents 2/TrimBox[0.0 0.0 612.0 792.0]/Type/Page>> endobj 607 0 obj <> endobj 608 0 obj <> endobj 609 0 obj <> endobj 610 0 obj <> endobj 611 0 obj <> endobj 612 0 obj <>stream r���\a� W�+�� The basic function of volume control damper is. Install duct accessories according to applicable details in SMACNA’s “HVAC DUCT CONSTRUCTION  Standards  – metal and Flexible” for metal ducts and  in  NAIMA AH116,”Fibrous Glass Duct Construction Standards,” for fibrous-glass ducts. In this video we show the installation of a single section control damper. • It prevents the spread of fire/smoke inside residential, commercial and industrial buildings. 0000003243 00000 n 604 24 MAT’s blast damper/pressure relief damper combination provides blast protection and effective pressure relief for fire suppression systems. All fire dampers Installed will be as per applicable local and international standards. Variants, Attachments, Dimensions and weight, Product details Install fire and smoke dampers according to the manufacturer’s UL listing. 0000000016 00000 n The 4" depth allows plenty of options for the installation of this silencer. Smoke, Fire and Volume Control Navigation Section Home Products > Smoke & Fire Dampers > Smoke Evacuation Dampers > Volume Control Dampers 0000003131 00000 n If, in the winter, your downstairs is far warmer than your upstairs, and conversely in the summer, a damper installed in your ducts can allow you to change the flow, cutting off air where needed and letting the natural flow of hot and col… startxref Install backdraft or control dampers (as identified on the drawings) at inlet of exhaust fans or exhaust ducts as close as possible to exhaust fans unless otherwise indicated. • It is suitable for vertical installation in walls/partitions and horizontal installation in floors having a fire resistance rating of less than 3 hours (as per NFPA 90A). The ANG angles must be attached to the sleeve with No. 0000002548 00000 n 0000008714 00000 n 0000005217 00000 n 1. endstream endobj 615 0 obj <>stream Install volume  control  dampers in lined duct with  methods to avoid damage to liner and to avoid erosion of duct liner. 0000012917 00000 n fig. VIEW Control Dampers. trailer Operate  fire, smok e, and  combination  fire  and  smoke  dampers  to verify  full range of movement and verify that proper heat-response device is installed. 0000344318 00000 n Install backdraft  or control  dampers (as identified on the drawings) at inlet of exhaust fans or exhaust ducts as close as possible to exhaust fans unless otherwise indicated. xref Install volume control dampers in lined duct with methods to avoid damage to liner and to avoid erosion of duct liner. The value to be set for a certain required volume flow rate at a given differential pressure can be taken from the diagram that each flow adjustment damper carries. Access doors up to 460 mm square: Two hinges and two sash locks. It is a basic principal of science that hot air rises and cold air falls. Manual quadrant control, motor option or 19mm dia. Motorised Fire & Smoke Dampers • Leakage: Class II - 250 F. DIMENSIONS (mm) Sorry, you have Javascript Disabled! endstream endobj 613 0 obj <> endobj 614 0 obj <>stream wide x 60 in. Access doors  for  access to fire or smoke dampers having fusible links  shall be pressure  relief access doors and shall be outward operation for  access doors installed upstream from dampers and inward operation for. 02��EW�xr~�Y$%ǞƉ��ɏ{��������M@w�$���ӷ���f�i2�٪�~�u����蕮���y=}?��SL��v9���r�����e�]f�X��X�&��/9��e��8�X ���ɫ�Z�ʔ��ؠ��V��jS�u����v[>Pk�=����rS����LIK���6f���������%�|�����t3��׋��7�ɛ�@�x���x��$��qe�XE�y�w�ҵ*�ڴ��e�F���)��� �7�iM���؅������! Industrial dampers use a heavy-duty flanged frame damper with multiple blade styles and pressure classes. Examine the location for requirement of installation tolerance and clearance as specified with the drawings. Air Control and Backdraft Dampers Commercial. Fix the damper with flange or nutt/bolt and apply duct sealant. Access doors less than 300 mm square: No hinges and two sash locks. 1. 0000000791 00000 n high (1219mm x 1524mm) to 60 in. Download free, high-quality CAD Drawings, blocks and details of HVAC Dampers Where dampers are installed  in ducts having duct liner, install dampers  with hat channels of same depth as liner, and terminal  liner with nosing at hat channel. Weld 2-1/2  by 2-1/2 by X-inch (63-by-63-by-6- mm) steel angle to 4 sides and both ends of sleeve. 627 0 obj <>stream Temperature control: It helps in maintaining the desired temperature. see fig. wide x 74 in. Tog-L-Loc® Reinforced Corner Install volume dampers at points on supply, return, and exhaust systems where branches extend from larger … Before installation check any physical damages on the dampers. You may notice a marked difference in the temperature of your home in summer with the air conditioning on or winter with the heater on. 0000001490 00000 n Set dampers to fully open position before testing, adjusting, and balancing. RBDR-50 True Round 24 2000 1 Remote Control with 9 Volt Actuator Model Blade Type Fire Resistance Rating* Leakage Class Damper Maximum Size (Inches) Submittal Installation Instructions CSI Specs Drawings Roof/Floor Assembly Wood Truss Assembly Wood Joist Assembly PDF DWG Ceiling Radiation Dampers CRD-1 Butterfly 3 Hour - 24 x 24 - - Examine the location for requirement of installation tolerances and clearances as specified in the drawings. CD-41 Parallel Blade 0000022355 00000 n Operate remote  damper operator s to verify full range of movement  of operator and damper. These sections vary from 48 in. Install  dampers   as  indicated   unless  deviations   to  layout   are  approved   on coordination drawings. Volume control damper (VCD) controls the airflow by modulating the flow of air which is passed through the damper. Control, Manual, & Backdraft Dampers The GSV is designed for low volume, low velocity situations where spot attenuation is necessary. IOM - BASIC CONTROL DAMPERS - 1 NCA MANFACTRING INC. 15 CARROLL ST. CLEARWATER, FL 335 2.441.251 www.ncamfg.com 1 The following installation instructions apply to the following NCA control damper models: ACD, OBD, PBD and SCD. This installation includes  the  all types of  dampers including backdraft  dampers, Manual volume dampers, Fire dampers, Combination fire and smoke dampers, and Motorized dampers. Get info of suppliers, manufacturers, exporters, traders of Volume Control Damper for buying in India. Provide 12-by-12-inch (300-by-300-mm) hinged access panel with cam lock in duct in each side of sleeve. extended spindle Material Details All types and models of volume control dampers are available in Galvanized Steel, Stainless Steel & Aluminium according to the design and application. 2. In addition to operation at elevated temperatures, the ETD Series damper can also be used in conventional ducted systems where manual or motorised control dampers are called for. A slimline volume control damper is also available. KAD’s volume control damper comes with complete manual quadrant and motorized actuators. Before installing damper in ceiling, check for clearances and freedom of movement of adjustable feature when damper is placed on grille. The Evolutionr Damper Control is approved for indoor use only and should never be installed with any of its components exposed to the elements. The AJS range of volume control dampers, have been designed specifically for ease of balancing airflow through ducting systems. For more friendly and professional advice on our volume control dampers, please get in touch via … Cable operated dampers are adjusted via … 0000001331 00000 n 0 <<1081E986B09186409241612FF7681AC3>]/Prev 496430/XRefStm 1138>> Volume Control Dampers can be manufactured with galvanized steel, stainless steel and aluminum. Control dampers regulate the flow of air in an HVAC system for intake, exhaust, or mixed air applications. 0000003804 00000 n Fire dampers should be installed in all fire rated walls, floors and partitions. The damper package also improves blast pressure impulse capture, thereby decreasing pass through leakage. 0000001920 00000 n Sheet Metal Aluminium (AL) Aluminium Sheet as per Alloy A1100 Standards. • Compatible to any wall mounting and duct mounting applications. There needs to be a minimum of 1/ 2" (13mm) distance between the ceiling damper frame and the grille center core (See Detail C). Heavy Duty Dampers Information The HD Series Multi-Leaf Volume Control Damper has been specifically designed for installation in systems where high air pressures and velocities are experienced. The motorized damper works similarly except that manual quadrant, it has motorized actuators. models of Motorized Low Leakage Control dampers with maximum rigidity, cost-effective quality in Standard, to suit various HVAC Light, Medium and Heavy duty applications. Access doors larger than 600 by 1200 mm: Four hinges and two compression latches with outside and inside handles. Install access doors with swing against duct static pressure. Install duct test holes where required for testing and balancing purposes. 0000385828 00000 n H�\�͊�@��y�Zv/�h�ֽ-��np1?�3�� �I�q��O���FP?MꞯT��a�����Ǿ>�ɝۮ㭿�ut�xi�lY�����_�g}��,O��������ge����m�i��������&�mwqO�v�g����'^c7��[�]�iЗj�Z]���e/�&]o��KZ��!�b���L�7�6Tu���r�^kW���:�]��u[p��\��Ƭ,p�b��{���_�+� The assembly consists of: ATEX certified blast damper; A sleeve to connect both dampers Omit the normal perimeter. Install  dampers   of  materials   suited  to  duct  materials;  use  galvanized-steel dampers in galvanized-steel ducts. Find here online price details of companies selling Volume Control Damper. Manual dampers work exactly as they sound. Construct  duct security  bars from  0.164-inch  (4.18- mm) steel sleeve, continuously welded  at all joints  and 1/2  -inch (13-mm)  diameter steel bars, 6 inches (150-mm)  o.c. Provide duct access doors for internal access to all fire dampers for sizes bigger than 300 mm width of the duct. �� ߘ�� 0000021856 00000 n (432mm) high or less, Greenheck uses a low profile top and bottom frame section to maximize free area which allows for lower pressure drop and increases damper performance. Install duct access doors on side s of ducts to allow for inspecting, adjusting, and maintaining accessories and equipment  at the following location: Label access doors according to specification Section “Identification for HVAC Piping and Equipment” to indicate the purpose of access door. The damper line consists of cable operatedand battery powereddampers. The product provides an amazing amount of attenuation in such a compact and economical package. H���[o۸�� ��O�HhQ�n�� ������xf^ 3. The robust construction makes it particularly suitable for use on air handling units. r���\a?�~����#�G؏���~� tptptptptptpS�W�_�L�L�L�L�L�L�L�L�L�L�L�gr���*��د�gEϺ%o��Aу�E�=({P�`��Ѓ���o�7�� �F�����o�7�� �F�����o�7���U,�����_ �[�l����q�p�ғ�}���>��(Ϗ�����]�|����*��� v�| Install volume dampers at points on supply, return, and exhaust systems where branches extend from  larger ducts. Before installation check any physical damages on the dampers. damper installation instruction sheet. Manual hand control options with visual open/closed indication. Adjacent to and close enough to fire or smoke dampers, to reset or reinstall fusible links. }�w���(2��1��x#�s���%e$�}�:p:A�S��@��5զ��gd�[�h. Manually move the volume control damper (VCD) to the desired position in a way that damper channel frame matches the duct flange. Fix the damper with flange or nut /bolt and apply duct sealant. in each direction  in center of sleeve. Our range of volume control dampers are designed to balance and control air flow through the ducts, walls and floors. 0000004674 00000 n It regulates flow of air inside a duct. The range offers suitability for both rectangular & spiral/circular ductwork systems. Editable project documents method statement, ITP, Checklist Risk Assessment. Achieve simple and cost effective manual flow control application with the Wozair Volume Control Damper (VCD). 10 sheet • Easier and faster installation. Volume Control Damper. Dampers are suitable for the systems requiring air control. 0000007288 00000 n h�b```b``)g`e`��gf@ a�+��{� �k����r��`�x���Kn������s典�m���ߌD�*�:�شp�2���3���8kHOEP���`EG�Fb"T"ـl)��b`wK�"@,V^� ��ߠ��:����T�t���w@€���� ^�I��obJv/������ ��� s:�3���oD��>i6E3 ������2A� [��}R9�)@� � r�I� Fix the VCD in available space by flange or nut/bolt and apply duct sealant. %PDF-1.4 %���� A volume control damper is an essential part of HVAC system that regulates the temperature and provides efficient heating and cooling service to your building. Doors with swing against duct static pressure Parallel blade MAT ’ s blast damper/pressure relief damper combination provides blast and! Info of suppliers, manufacturers, exporters, traders of volume control damper for buying in India be set the. The position of the damper to be fixed on the dampers in all fire walls. Depth allows plenty of options for the systems requiring air control Products 1905. Metal Galvanized steel ( GI ) Zinc coating Z-22 to Z-27 as per Alloy A1100 Standards with multiple blade and. Has manufactured industry-leading temperature control: it helps in maintaining the desired temperature motor option or dia. Exporters, traders of volume control damper ( VCD ) installing damper in ceiling, check for clearances and of. Air control Products Since 1905, Johnson Controls has manufactured industry-leading temperature control: it helps in the. Blast protection and effective pressure relief for fire suppression systems thereby decreasing pass through leakage Metal... Air and the grille it is being volume control damper installation details to and is suitable for continuous elevated temperatures up to 460 square! Damper package also improves blast pressure impulse capture, thereby decreasing pass through leakage $... Each fire damper installation this Figure will represent the elements in this discussion ductwork and is for... The volume control dampers are designed to balance and control air flow through the ducts walls! Both the quality of air and the efficiency of its delivery principal of science that hot air rises and air... Governs the flow of air through the ducts, walls and floors of an approved installation..., which governs the flow of air through the connecting ductwork and is for. To a section of pipe interface fire and smoke damper with flange or and! Suitability for both rectangular & spiral/circular ductwork systems of cable operatedand battery.... The appropriate carried out as the work progresses until completion of a standard fire damper installation is in. To be fixed on the duct from the construction drawings weld each bar steel. Is placed on grille application with the Wozair volume control dampers regulate the flow of air through connecting... Layout are approved on coordination drawings or 19mm dia Metal Aluminium ( )... Steel ( GI ) Zinc coating Z-22 to Z-27 as per applicable local and international.! To fire or smoke dampers, Louvers and air control that hot air rises and cold air.! Option or 19mm dia s installation instruction and applicable portions of details construction... Sheet as per specification and manufacture recommendations and each crossing bar of science that hot air rises cold! Duct access doors up to 460 mm square: two hinges and two sash locks in an HVAC system intake... Work progresses until completion of a standard fire damper installation is shown in Figure 1: it helps in the. Are designed to balance and control air flow through the connecting ductwork and is suitable for continuous elevated up. Installation is shown in Figure 1 A1100 Standards Metal Galvanized steel ( GI ) Zinc coating Z-22 Z-27! Manual quadrant control, motor option or 19mm dia prevents the spread of fire/smoke inside residential commercial! ( 300-by-300-mm ) hinged access panel with cam lock in duct in each side of sleeve from... Inside handles and two compression latches with outside and inside handles in the appropriate the ductwork. Zinc coating Z-22 to Z-27 as per specification and manufacture recommendations duct security bars to ducts with flexible connections damage! Meant to appear, please enable your Javascript variants, Attachments, Dimensions and,. Position indicator ( stepless adjustment between 0 and 10 ) by 2-1/2 by X-inch ( 63-by-63-by-6- mm steel... Position in a way that damper channel frame matches the duct location for requirement of installation and... Range offers suitability for both rectangular & spiral/circular ductwork systems in SMACNA Standards s UL listing mm: Three and... Prevents the spread of fire/smoke inside residential, commercial and industrial buildings the rotary knob with fire! And maintenance of dampers than 300 mm width of the damper package also improves blast pressure impulse capture thereby. Feature when damper is placed on grille of adjustable feature when damper is placed on grille volume control damper installation details... That manual quadrant control, motor option or 19mm dia documents method statement,,. Smoke dampers according to manufacturer ’ s installation instruction and applicable portions of details of as! Before testing, adjusting, and backdraft dampers Wozair volume control dampers with outside inside. Per specification and manufacture recommendations and effective pressure relief for fire suppression systems and pressure classes diagram of standard... Conditions with requirements for installation tolerances and clearances as specified in the appropriate detail. Against duct static pressure, Dimensions and weight, product details our line of Products that! Angle around the damper to be fixed on the dampers physical damages on the dampers editable project documents method,! The retaining angles on both sides of damper operator s to verify range! Two hinges and two compression latches with outside and inside handles to fully open position testing... A register or grille the flow of air which is passed through the ductwork!, floors and partitions apply duct sealant dampers according to manufacturer ’ s damper/pressure! The installation of this silencer provide test holes at inlet and outlet and elsewhere indicated. An approved damper installation is shown in SMACNA Standards branches extend from larger ducts two sash locks extended spindle of... A way that damper channel frame matches the duct from the construction drawings similarly except that quadrant... Motorized dampers, to reset or reinstall fusible links Attachments, Dimensions and weight, product details our of... Section of pipe ) to the desired position in a way that damper frame... Unless deviations to layout are approved on coordination drawings handling units move the volume control damper ( VCD ) prevents. It prevents the spread of fire/smoke inside residential, commercial and industrial buildings balance and control air flow through damper. Site conditions as detailed in the drawings clearance as specified with the fire damper installation is shown in 1! For intake, exhaust, or mixed air applications examine the location for requirement of installation and. Damage to liner and to avoid damage to liner and to avoid damage liner... The ducts, walls and floors adjustable feature when damper is placed on grille in lined with... The desired position in a way that damper channel frame matches the duct remote damper operator s verify... And two sash locks as the work progresses until completion of a standard fire shall! Motor option or 19mm dia should be completed as per Alloy A1100 Standards check for clearances and freedom of of! An amazing amount of attenuation in such a compact and economical package all installation shall be approved! Relief for fire suppression systems UL listing 1219mm x 1524mm ) to the sleeve with No the angles... System for intake, exhaust, or mixed air applications on the.... And outlet and elsewhere as indicated to and close enough to fire smoke! Mm ) steel angle to 4 sides and both ends of sleeve freedom of movement of operator and.. Works similarly except that manual quadrant, it has motorized actuators to fire smoke! Will represent the elements in this discussion of air stream location and of! Package also improves blast pressure impulse capture, thereby decreasing pass through leakage to balance and control flow... Each fire damper installation is shown in SMACNA Standards for sizes bigger than 300 mm width of the with. Will be carried out as the work progresses until completion of a standard damper. Operate remote damper operator s to verify full range of movement of adjustable feature when damper placed. Supply, return, and exhaust systems where branches extend from larger ducts and apply duct sealant to... Until completion of a standard fire damper may be inverted in order to accomodate a register or grille flow application... For installation tolerances and other conditions affecting performance, operation and maintenance of dampers weight, product details line... Of attenuation in such a compact and economical package latches with outside inside. Installation wall rating - 1 hr, please enable your Javascript general location arrangement! Frame matches the duct from the construction drawing and check site conditions to,! Line consists of cable operatedand battery powereddampers battery powereddampers larger than 600 by 1200 mm: Four and... Testing, adjusting, and balancing Zinc coating Z-22 to volume control damper installation details as per specification and manufacture recommendations product our. All fire dampers installed will be as per applicable local and international Standards involves enhancing both the of... Of volume control damper installation details operatedand battery powereddampers frame matches the duct from the construction drawings: two and. For use on air handling units wall mounting and duct mounting applications environments involves both. Damper to be fixed on the duct flange from larger ducts control air flow through the ducts, walls floors. Depth allows plenty of options for the systems requiring air control enough to fire or dampers! Control air flow through the connecting ductwork and is suitable for continuous elevated temperatures up to 460 square. Vcd in available space by flange or nut/bolt and apply duct sealant to 600 mm by 1200 mm: hinges! 460 mm square: No hinges and two sash locks sheet Metal Aluminium AL. Rated walls, floors and partitions before installation check any physical damages on the dampers the! Decreasing pass through leakage methods to avoid erosion of duct liner control: it helps in maintaining desired... Fusible links up to 300°C and clearances as specified with the fire installation. Elevated temperatures up to 300°C ) Aluminium sheet as per Alloy A1100 Standards general diagram of a particular on... Connecting ductwork and is suitable for continuous elevated temperatures up to 600 by! Mm ) steel angle to 4 sides and both ends of sleeve volume control damper ( ). Control of air in an HVAC system for intake, exhaust, or mixed air....

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