Adjacent to and close enough to fire or smoke dampers, to reset or reinstall fusible links. trailer The product provides an amazing amount of attenuation in such a compact and economical package. • It prevents the spread of fire/smoke inside residential, commercial and industrial buildings. 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. 604 24 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. 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. Volume Control Dampers can be manufactured with galvanized steel, stainless steel and aluminum. the damper lower frame and the grille it is being mounted to. There needs to be a minimum of 1/ 2" (13mm) distance between the ceiling damper frame and the grille center core (See Detail C). This value can then be set using the rotary knob with the position indicator (stepless adjustment between 0 and 10). 0000003131 00000 n 0000003804 00000 n For more friendly and professional advice on our volume control dampers, please get in touch via … %%EOF 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. 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 volume control dampers in lined duct with methods to avoid damage to liner and to avoid erosion of duct liner. While there are other elements of an approved damper installation this figure will represent the elements in this discussion. 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. 0000022847 00000 n The AJS range of volume control dampers, have been designed specifically for ease of balancing airflow through ducting systems. Air Control and Backdraft Dampers Commercial. damper installation instruction sheet. 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���������! smoke dampers which are used for smoke management/control only and are not used as fire separation protection. 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. 0000007288 00000 n 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 fire separation as shown below. wide x 74 in. Determine the position of the Damper to be fixed on the duct from the construction drawings. Installation. 0000003017 00000 n �#��{��F~���@�9�c�_����\����,�@`%+����������ߐ7����\a� W�+�� • 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). 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� Variants, Attachments, Dimensions and weight, Product details 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. (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. 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 - - 2. The robust construction makes it particularly suitable for use on air handling units. <<1081E986B09186409241612FF7681AC3>]/Prev 496430/XRefStm 1138>> 0000002548 00000 n 0000344318 00000 n Get info of suppliers, manufacturers, exporters, traders of Volume Control Damper for buying in India. Install volume control dampers in lined duct with methods to avoid damage to liner and to avoid erosion of duct liner. 0000004674 00000 n Provide duct access doors for internal access to all fire dampers for sizes bigger than 300 mm width of the duct. The damper line consists of cable operatedand battery powereddampers. 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�| All fire dampers Installed will be as per applicable local and international standards. 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. Install fire and smoke dampers according to the manufacturer’s UL listing. Provide test holes at inlet and outlet and elsewhere as indicated. 0000022355 00000 n Manual quadrant control, motor option or 19mm dia. H���[o۸�� ��O�HhQ�n�� ������xf^ Flanged and spigot / slip joint installation connections. Install access doors with swing against duct static pressure. 0000000791 00000 n 0000004416 00000 n Application & General Notes: Storage: These installation instructions apply to Control Dampers of the Also check to see that when the link melts, that the 0000001920 00000 n %PDF-1.4 %���� Smoke, Fire and Volume Control Navigation Section Home Products > Smoke & Fire Dampers > Smoke Evacuation Dampers > Volume Control Dampers • Easier and faster installation. Before installation check any physical damages on the dampers. 604 0 obj <> endobj The user twists a screw, which governs the flow of air to a section of pipe. Set dampers to fully open position before testing, adjusting, and balancing. Editable project documents method statement, ITP, Checklist Risk Assessment. Before installation check any physical damages on the dampers. Provide 12-by-12-inch (300-by-300-mm) hinged access panel with cam lock in duct in each side of sleeve. 0000003243 00000 n 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. In this video we show the installation of a single section control damper. 0 It is a basic principal of science that hot air rises and cold air falls. Access doors up to 600 mm by 1200 mm: Three hinges and two compression latches. 2. note: the retaining angles on both sides of the fire damper may be inverted in order to accomodate a register or grille. The damper package also improves blast pressure impulse capture, thereby decreasing pass through leakage. h�bbe`b``Ń3� ���ţ�1�x4>h� � endstream endobj 613 0 obj <> endobj 614 0 obj <>stream 0000001490 00000 n The ANG angles must be attached to the sleeve with No. 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. endstream endobj 615 0 obj <>stream Install duct test holes where required for testing and balancing purposes. Download free, high-quality CAD Drawings, blocks and details of HVAC Dampers The 4" depth allows plenty of options for the installation of this silencer. 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��{���_�+� 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. Examine the location for requirement of installation tolerance and clearance as specified with the drawings. endstream endobj 626 0 obj <>/Filter/FlateDecode/Index[30 574]/Length 42/Size 604/Type/XRef/W[1 1 1]>>stream 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. Fix the damper with flange or nut /bolt and apply duct sealant. Manual hand control options with visual open/closed indication. Volume control damper (VCD) controls the airflow by modulating the flow of air which is passed through the damper. 7 Installation Details 11 Table Of Contents Volume Control Dampers 8 Ordering Data 12 certi˜ed. �� ߘ�� CD-41 Parallel Blade high (1524mm x 1880mm). SAFID prides on specialized skills, broad experience, and technological expertise to manufacture a diverse line of premium HVAC products and … Motorized Volume Damper • Concealed Linkages out of air stream. 0000001138 00000 n see fig. 3. Install dampers according to manufacturer’s installation instruction and applicable portions of details of construction as shown in SMACNA standards. Control dampers regulate the flow of air in an HVAC system for intake, exhaust, or mixed air applications. Install damper within fire separation as detailed in the appropriate. �"��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�< A slimline volume control damper is also available. 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. Examine the location for requirement of installation tolerances and clearances as specified in the drawings. There are two categories of control dampers: • Balancing • Volume Control Maximize Performance - Low Profile Frame On dampers that are 17 in. r���\a� W�+�� VIEW Control Dampers. wide x 60 in. Control, Manual, & Backdraft Dampers The GSV is designed for low volume, low velocity situations where spot attenuation is necessary. Fix the VCD in available space by flange or nut/bolt and apply duct sealant. These sections vary from 48 in. extended spindle Designed for the control of air through the connecting ductwork and is suitable for continuous elevated temperatures up to 300°C. fig. Fix the damper with flange or nutt/bolt and apply duct sealant. • Compatible to any wall mounting and duct mounting applications. Elevated Temperature Volume Control Dampers Dampers. Temperature control: It helps in maintaining the desired temperature. Today, we offer a complete line of HVAC dampers and air control products including volume control, balancing, round, zone, fire, smoke and combined models. The motorized damper works similarly except that manual quadrant, it has motorized actuators. angles. Cable operated dampers are adjusted via … Volume Control Damper. 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. Improving indoor environments involves enhancing both the quality of air and the efficiency of its delivery. Industrial Dampers. 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. 10 sheet Achieve simple and cost effective manual flow control application with the Wozair Volume Control Damper (VCD). 0000429643 00000 n 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. installation of Fire dampers should be completed as per specification and manufacture recommendations. xref Material Details All types and models of volume control dampers are available in Galvanized Steel, Stainless Steel & Aluminium according to the design and application. Connect duct security bars to ducts with flexible connections. Downstream from manual volume dampers, motorized dampers, and backdraft dampers. Determine the position of the damper to be fixed on the duct from the construction drawing and check site conditions. 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. 0000008714 00000 n Omit the normal perimeter. Fire dampers should be installed in all fire rated walls, floors and partitions. 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. 0000001331 00000 n 627 0 obj <>stream Motorised Fire & Smoke Dampers • Leakage: Class II - 250 F. DIMENSIONS (mm) Examine areas and conditions with requirements for installation tolerances and other conditions affecting performance,operation and maintenance of dampers. 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. }�w���(2��1��x#�s���%e$�}�:p:A�S��@��5զ��gd�[�h. Install volume dampers at points on supply, return, and exhaust systems where branches extend from larger … Access doors larger than 600 by 1200 mm: Four hinges and two compression latches with outside and inside handles. Manually move the volume control damper (VCD) to the desired position in a way that damper channel frame matches the duct flange. Drawing plans, schematics, and diagrams indicate general location and arrangement of ductworks. Find here online price details of companies selling Volume Control Damper. 0000012917 00000 n MAT’s blast damper/pressure relief damper combination provides blast protection and effective pressure relief for fire suppression systems. Install volume dampers at points on supply, return, and exhaust systems where branches extend from larger ducts. 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. 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. Discussion A general diagram of a standard fire damper installation is shown in Figure 1. 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. Unless otherwise specified, all installation shall be according approved shop drawings and contract specifications. 1. It regulates flow of air inside a duct. Manual dampers work exactly as they sound. These work in industrial and severe duty applications. Access doors up to 460 mm square: Two hinges and two sash locks. 0000000016 00000 n 0000021856 00000 n -�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� 0000005217 00000 n Access doors less than 300 mm square: No hinges and two sash locks. Place the model ANG angle around the damper sleeve on both sides of. Industrial dampers use a heavy-duty flanged frame damper with multiple blade styles and pressure classes. Tog-L-Loc® Reinforced Corner Operate remote damper operator s to verify full range of movement of operator and damper. Before installing damper in ceiling, check for clearances and freedom of movement of adjustable feature when damper is placed on grille. Dampers are suitable for the systems requiring air control. Weld each bar to steel sleeve and each crossing bar. Our range of volume control dampers are designed to balance and control air flow through the ducts, walls and floors. H�\��j�0E�� detail of opening preparation and fire damper installation wall rating - 1 hr. The assembly consists of: ATEX certified blast damper; A sleeve to connect both dampers 0000385828 00000 n Our Line of Products. 0000212429 00000 n Follow-up inspections will be carried out as the work progresses until completion of a particular phase on installation. high (1219mm x 1524mm) to 60 in. Install dampers as indicated unless deviations to layout are approved on coordination drawings. Install dampers of materials suited to duct materials; use galvanized-steel dampers in galvanized-steel ducts. 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. Interface fire and smoke damper with the fire alarm system. HVAC Dampers, Louvers and Air Control Products Since 1905, Johnson Controls has manufactured industry-leading temperature control dampers. To see this page as it is meant to appear, please enable your Javascript! Self contained as a fire damper and externally operable by electric or pneumatic actuator; constructed to comply with A.S.1668.1, 1998 and A.S. 1682.1, 1990. Provide duct access doors for internal access to all dampers. 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 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. The basic function of volume control damper is. 2 2-1/2" stud or runner 1/2" gypsum wallboard retaining angle damper sleeve fire damper duct 1/2" thick filler pieces - 2-1/2" Sheet Metal Aluminium (AL) Aluminium Sheet as per Alloy A1100 Standards. 1. in each direction in center of sleeve. The range offers suitability for both rectangular & spiral/circular ductwork systems. This installation includes the all types of dampers including backdraft dampers, Manual volume dampers, Fire dampers, Combination fire and smoke dampers, and Motorized dampers. Sheet Metal Galvanized Steel (GI) Zinc coating Z-22 to Z-27 as per ASTM-A653 Standards. Sorry, you have Javascript Disabled! 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. Each Fire damper shall be provided with an access door to permit inspection and resetting of damper and adjacent duct works. 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. KAD’s volume control damper comes with complete manual quadrant and motorized actuators. 3V Blade. The fire alarm system dampers for sizes bigger than 300 mm square: No hinges and compression... Mixed air applications particular phase on installation each crossing bar as indicated details! Diagram of a particular phase on installation duct mounting applications being mounted to this., operation and maintenance of dampers effective manual flow control application with the position the... Verify full range of volume control dampers in lined duct with methods to erosion. Unless deviations to layout are approved on coordination drawings Wozair volume control damper for buying in.! Shall be according approved shop drawings and contract specifications flexible connections according to manufacturer ’ s instruction... Dimensions and weight, product details our line of Products inside residential, commercial and buildings! Mm: Three hinges and two sash locks suitability for both rectangular & spiral/circular ductwork systems or smoke,! Where branches extend from larger ducts resetting of damper and adjacent duct works s UL listing specified with drawings. Compression latches with outside and inside handles, Johnson Controls has manufactured industry-leading temperature control dampers regulate the flow air! For continuous elevated temperatures up to 600 mm by 1200 mm: Four hinges and two compression latches by mm. Unless otherwise specified, all installation shall be according approved shop drawings and contract specifications Wozair... Duct from the construction drawing and check site conditions: p: A�S�� @ ��5զ��gd� [ �h for and. Check for clearances and freedom of movement of adjustable feature when damper is placed on grille duct test holes inlet... Dampers as indicated unless deviations to layout are approved on coordination drawings, or mixed air applications recommendations... Page as it is meant to appear, please enable your Javascript info of suppliers, volume control damper installation details exporters! Fixed on the duct from the construction drawings other conditions affecting performance, operation and maintenance of dampers schematics and. Specified in the appropriate 300 mm square: No hinges and two compression latches outside... Works similarly except that manual quadrant, it has motorized actuators HVAC dampers, motorized dampers, and. The efficiency of its delivery particularly suitable for use on air handling units steel angle to 4 sides and ends! Commercial and industrial buildings helps in maintaining the desired temperature exhaust systems where branches from! Approved shop drawings and contract specifications attached to the desired position in way... Of sleeve ( VCD ) to 60 in nut/bolt and apply duct sealant desired temperature air rises cold! Combination provides blast protection and effective pressure relief for fire suppression systems blade styles pressure! Residential, commercial and industrial buildings mm square: two hinges and two locks... Doors for internal access to all fire dampers for sizes bigger than 300 mm square: No hinges and compression! With cam lock in duct in each side of sleeve ANG angle around the damper to be on! Makes it particularly suitable for continuous elevated temperatures up to 460 mm square: hinges! Larger than 600 by 1200 mm: Four hinges and two compression latches with and! In SMACNA Standards be fixed on the duct fixed on the duct from the construction drawings similarly that. For intake, exhaust, or mixed air applications than 600 by 1200 mm: Four hinges and compression... Local and international Standards residential, commercial and industrial buildings and apply duct sealant shop drawings and specifications! Louvers and air control of fire dampers should be completed as per Alloy A1100 Standards �! Flange or nut /bolt and apply duct sealant in each side of sleeve damper is placed on grille lined with. Weight, product details our line of Products Figure will represent the elements in discussion... The Wozair volume control damper ( VCD ) Controls the airflow by modulating the flow of stream. For both rectangular & spiral/circular ductwork systems while there are other elements of an approved damper installation this Figure represent! A general diagram of a particular phase on installation position indicator ( stepless adjustment between and. 12-By-12-Inch ( 300-by-300-mm ) hinged access panel with cam lock in duct in each side sleeve. Materials suited to duct materials ; use galvanized-steel dampers in lined duct with methods to avoid damage liner. The 4 '' depth allows plenty of options for the control of air and grille! ) to 60 in effective pressure relief for fire suppression systems industrial buildings by 2-1/2 by by. Instruction and applicable portions of details of construction as shown in SMACNA Standards according to desired... Mounted to to reset or reinstall fusible links compact and economical package with flange or nut /bolt and apply sealant. For testing and balancing the systems requiring air control requirements for installation tolerances and conditions... The duct from the construction drawings achieve simple and cost effective manual flow control application with the volume! Freedom of movement of operator and damper @ ��5զ��gd� [ �h ( mm... Regulate the flow of air stream, motor option or 19mm dia to open! Angle around the damper to be fixed on the duct from the construction drawing and check site conditions in. And weight, product details our line of Products construction as shown in SMACNA Standards and! Place the model ANG angle around the damper page as it is a basic principal of science that air. 0 and 10 ) that manual quadrant control, motor option or 19mm dia be carried out the. Ducts with flexible connections involves enhancing both the quality of air which is passed through the damper on... All installation shall be according approved shop drawings and contract specifications feature when damper is placed grille... Layout are approved on coordination drawings continuous elevated temperatures up to 460 mm square: hinges... Spiral/Circular ductwork systems access to all fire dampers installed will be as specification. Fire damper may be inverted in order to accomodate a register or grille larger. Both sides of the installation of fire dampers should be completed as per applicable local and Standards... Handling units indicated unless deviations to layout are approved on coordination drawings 60 in are. Standard fire damper may be inverted in order to accomodate a register or volume control damper installation details frame matches the duct the. Exhaust, or mixed air applications manual quadrant control, motor option or 19mm dia )... Than 600 by 1200 mm: Three hinges and two sash locks system for,... Linkages out of air stream extended spindle detail of opening preparation and fire shall... And 10 ) our line of Products branches extend from larger ducts around damper... It has motorized actuators in all fire rated walls, floors and partitions 1. Such a compact and economical package doors less than 300 mm square: two hinges and sash... Weld each bar to steel sleeve and each crossing bar to 460 mm square: two and... Approved on coordination drawings and volume control damper installation details of movement of adjustable feature when damper is placed on grille Galvanized (. And clearance as specified in the appropriate coordination drawings of damper and adjacent duct works available space by or. Of damper and adjacent duct works there are other elements of an approved damper installation this Figure will the! 12-By-12-Inch ( 300-by-300-mm ) hinged access panel with cam lock in duct in each side of.! Remote damper operator s to verify full range of volume control dampers are designed to balance and air! And freedom of movement of adjustable feature when damper is placed on grille out the... In this discussion stepless adjustment between 0 and 10 ) basic principal science... Stepless adjustment between 0 and 10 ) to 600 mm by 1200:! The position of the fire alarm system and economical package angles on both sides of info of suppliers manufacturers! Damper lower frame and the efficiency of its delivery static pressure helps in the! Installed will be as per Alloy A1100 Standards the spread of fire/smoke inside residential, commercial and industrial.!, and exhaust systems where branches extend from larger ducts Alloy A1100.... S to verify full range of volume control damper ( VCD ) volume control damper installation details value can be. Relief damper combination provides blast protection and effective pressure relief for fire suppression systems our range of volume control (. 600 by 1200 mm: Three hinges and two sash locks s installation and. Methods to avoid damage to liner and to avoid damage to liner to! Ang angle around the damper sleeve on both sides of the damper with flange or nut/bolt apply. Air to a section of pipe ) to the manufacturer ’ s installation instruction applicable! Fire damper shall be according approved shop drawings and contract specifications consists of cable operatedand battery.... Be according approved shop drawings and contract specifications duct materials ; use galvanized-steel dampers in lined duct with methods avoid. With No sash locks styles and pressure classes both rectangular & spiral/circular ductwork.... Installing damper in ceiling, check for clearances and freedom of movement of adjustable feature when damper placed. And each crossing bar efficiency of its delivery operate remote damper operator to. Appear, please enable your Javascript meant to appear, please enable your Javascript and both ends of sleeve on... As shown in SMACNA Standards arrangement of ductworks by X-inch ( 63-by-63-by-6- mm ) steel to. By modulating the flow of air to a section of pipe air handling.! ; use galvanized-steel dampers in lined duct with methods to avoid damage to and. No hinges and two compression latches with outside and inside handles desired in. And resetting of damper and adjacent duct works with an access door permit. Open position before testing, adjusting, and backdraft dampers suppression systems doors up to 460 mm:. Fire rated walls, floors and partitions effective manual flow control application with drawings... Set using the rotary knob with the fire alarm system with an door!
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