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 Sheet Metal Galvanized Steel (GI) Zinc coating Z-22 to Z-27 as per ASTM-A653 Standards. 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. Install dampers as indicated unless deviations to layout are approved on coordination drawings. high (1524mm x 1880mm). h�bbe`b``Ń3� ���ţ�1�x4>h� � Designed for the control of air through the connecting ductwork and is suitable for continuous elevated temperatures up to 300°C. Fire dampers should be installed in all fire rated walls, floors and partitions. Install damper within fire separation as detailed in the appropriate. Set dampers to fully open position before testing, adjusting, and balancing. 604 24 Install dampers according to manufacturer’s installation instruction and applicable portions of details of construction as shown in SMACNA standards. }�w���(2��1��x#�s���%e$�}�:p:A�S��@��5զ��gd�[�h. 0000004416 00000 n Temperature control: It helps in maintaining the desired temperature. 02��EW�xr~�Y$%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���������! Installation. 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. Manual dampers work exactly as they sound. Connect duct security bars to ducts with flexible connections. detail of opening preparation and fire damper installation wall rating - 1 hr. Provide duct access doors for internal access to all dampers. Industrial Dampers. 2. note: the retaining angles on both sides of the fire damper may be inverted in order to accomodate a register or grille. wide x 60 in. Manually move the volume control damper (VCD) to the desired position in a way that damper channel frame matches the duct flange. %%EOF 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. 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" Provide 12-by-12-inch (300-by-300-mm) hinged access panel with cam lock in duct in each side of sleeve. 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. Cable operated dampers are adjusted via … 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. Achieve simple and cost effective manual flow control application with the Wozair Volume Control Damper (VCD). trailer 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� Air Control and Backdraft Dampers Commercial. The AJS range of volume control dampers, have been designed specifically for ease of balancing airflow through ducting systems. Fix the damper with flange or nut /bolt and apply duct sealant. endstream endobj 613 0 obj <> endobj 614 0 obj <>stream 0000007288 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. 0000005217 00000 n 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�| startxref Install access doors with swing against duct static pressure. It is a basic principal of science that hot air rises and cold air falls. Install volume dampers at points on supply, return, and exhaust systems where branches extend from larger ducts. 3. 0000008714 00000 n Access doors up to 600 mm by 1200 mm: Three hinges and two compression latches. Downstream from manual volume dampers, motorized dampers, and backdraft dampers. 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. Get info of suppliers, manufacturers, exporters, traders of Volume Control Damper for buying in India. 0000001138 00000 n 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. 1. Find here online price details of companies selling Volume Control Damper. -�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� 0000003131 00000 n Application & General Notes: Storage: These installation instructions apply to Control Dampers of the 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. �"��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�< r���\a� W�+�� 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. Determine the position of the Damper to be fixed on the duct from the construction drawings. Download free, high-quality CAD Drawings, blocks and details of HVAC Dampers 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… �#��{��F~���@�9�c�_����\����,�@`%+����������ߐ7����\a� W�+�� H�\��j�0E�� Volume Control Dampers can be manufactured with galvanized steel, stainless steel and aluminum. Install volume control dampers in lined duct with methods to avoid damage to liner and to avoid erosion of duct liner. Fix the damper with flange or nutt/bolt and apply duct sealant. 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 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. Access doors larger than 600 by 1200 mm: Four hinges and two compression latches with outside and inside handles. 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. 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. 0000000791 00000 n 0000002548 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. Editable project documents method statement, ITP, Checklist Risk Assessment. Interface fire and smoke damper with the fire alarm system. 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. 0000003804 00000 n This installation includes the all types of dampers including backdraft dampers, Manual volume dampers, Fire dampers, Combination fire and smoke dampers, and Motorized dampers. Provide test holes at inlet and outlet and elsewhere as indicated. Install volume dampers at points on supply, return, and exhaust systems where branches extend from larger … 0000012917 00000 n 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. Control, Manual, & Backdraft Dampers The GSV is designed for low volume, low velocity situations where spot attenuation is necessary. 0 The damper line consists of cable operatedand battery powereddampers. 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. <<1081E986B09186409241612FF7681AC3>]/Prev 496430/XRefStm 1138>> Discussion A general diagram of a standard fire damper installation is shown in Figure 1. Examine the location for requirement of installation tolerance and clearance as specified with the drawings. Volume Control Damper. Install fire and smoke dampers according to the manufacturer’s UL listing. VIEW Control Dampers. fig. 2. Variants, Attachments, Dimensions and weight, Product details Elevated Temperature Volume Control Dampers Dampers. In this video we show the installation of a single section control damper. The product provides an amazing amount of attenuation in such a compact and economical package. Access doors up to 460 mm square: Two hinges and two sash locks. The damper package also improves blast pressure impulse capture, thereby decreasing pass through leakage. 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. For more friendly and professional advice on our volume control dampers, please get in touch via … xref Motorised Fire & Smoke Dampers • Leakage: Class II - 250 F. DIMENSIONS (mm) The user twists a screw, which governs the flow of air to a section of pipe. Before installing damper in ceiling, check for clearances and freedom of movement of adjustable feature when damper is placed on grille. 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. Our Line of Products. SAFID prides on specialized skills, broad experience, and technological expertise to manufacture a diverse line of premium HVAC products and … smoke dampers which are used for smoke management/control only and are not used as fire separation protection. Volume control damper (VCD) controls the airflow by modulating the flow of air which is passed through the damper. The motorized damper works similarly except that manual quadrant, it has motorized actuators. Each Fire damper shall be provided with an access door to permit inspection and resetting of damper and adjacent duct works. Access doors less than 300 mm square: No hinges and two sash locks. 0000385828 00000 n 0000000016 00000 n This value can then be set using the rotary knob with the position indicator (stepless adjustment between 0 and 10). 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. angles. Control dampers regulate the flow of air in an HVAC system for intake, exhaust, or mixed air applications. Drawing plans, schematics, and diagrams indicate general location and arrangement of ductworks. Before installation check any physical damages on the dampers. Fix the VCD in available space by flange or nut/bolt and apply duct sealant. damper installation instruction sheet. high (1219mm x 1524mm) to 60 in. The 4" depth allows plenty of options for the installation of this silencer. �� ߘ�� Our range of volume control dampers are designed to balance and control air flow through the ducts, walls and floors. Place the model ANG angle around the damper sleeve on both sides of. Sorry, you have Javascript Disabled! Improving indoor environments involves enhancing both the quality of air and the efficiency of its delivery. Install dampers of materials suited to duct materials; use galvanized-steel dampers in galvanized-steel ducts. 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. The assembly consists of: ATEX certified blast damper; A sleeve to connect both dampers 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 - - Industrial dampers use a heavy-duty flanged frame damper with multiple blade styles and pressure classes. Manual quadrant control, motor option or 19mm dia. While there are other elements of an approved damper installation this figure will represent the elements in this discussion. 0000022355 00000 n Adjacent to and close enough to fire or smoke dampers, to reset or reinstall fusible links. • It prevents the spread of fire/smoke inside residential, commercial and industrial buildings. These work in industrial and severe duty applications. 0000001490 00000 n 0000001920 00000 n wide x 74 in. CD-41 Parallel Blade Omit the normal perimeter. Manual hand control options with visual open/closed indication. Sheet Metal Aluminium (AL) Aluminium Sheet as per Alloy A1100 Standards. 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. in each direction in center of sleeve. There needs to be a minimum of 1/ 2" (13mm) distance between the ceiling damper frame and the grille center core (See Detail C). 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. The range offers suitability for both rectangular & spiral/circular ductwork systems. extended spindle 1. Flanged and spigot / slip joint installation connections. Weld each bar to steel sleeve and each crossing bar. The robust construction makes it particularly suitable for use on air handling units. • Compatible to any wall mounting and duct mounting applications. Motorized Volume Damper • Concealed Linkages out of air stream. MAT’s blast damper/pressure relief damper combination provides blast protection and effective pressure relief for fire suppression systems. Examine areas and conditions with requirements for installation tolerances and other conditions affecting performance,operation and maintenance of dampers. 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. These sections vary from 48 in. Install volume control dampers in lined duct with methods to avoid damage to liner and to avoid erosion of duct liner. Follow-up inspections will be carried out as the work progresses until completion of a particular phase on installation. 627 0 obj <>stream 0000001331 00000 n Examine the location for requirement of installation tolerances and clearances as specified in the drawings. HVAC Dampers, Louvers and Air Control Products Since 1905, Johnson Controls has manufactured industry-leading temperature control dampers. installation of Fire dampers should be completed as per specification and manufacture recommendations. Install duct test holes where required for testing and balancing purposes. 0000429643 00000 n • Easier and faster installation. 0000004674 00000 n 0000344318 00000 n KAD’s volume control damper comes with complete manual quadrant and motorized actuators. There are two categories of control dampers: • Balancing • Volume Control Maximize Performance - Low Profile Frame On dampers that are 17 in. 0000003243 00000 n 7 Installation Details 11 Table Of Contents Volume Control Dampers 8 Ordering Data 12 certi˜ed. %PDF-1.4 %���� 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 basic function of volume control damper is. 0000212429 00000 n Material Details All types and models of volume control dampers are available in Galvanized Steel, Stainless Steel & Aluminium according to the design and application. Determine the position of the damper to be fixed on the duct from the construction drawing and check site conditions. 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. 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. Dampers are suitable for the systems requiring air control. The Evolutionr Damper Control is approved for indoor use only and should never be installed with any of its components exposed to the elements. 0000021856 00000 n All fire dampers Installed will be as per applicable local and international standards. Unless otherwise specified, all installation shall be according approved shop drawings and contract specifications. H���[o۸�� ��O�HhQ�n�� ������xf^ Also check to see that when the link melts, that the 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. Tog-L-Loc® Reinforced Corner The ANG angles must be attached to the sleeve with No. Smoke, Fire and Volume Control Navigation Section Home Products > Smoke & Fire Dampers > Smoke Evacuation Dampers > Volume Control Dampers the damper lower frame and the grille it is being mounted to. see fig. Today, we offer a complete line of HVAC dampers and air control products including volume control, balancing, round, zone, fire, smoke and combined models. 10 sheet • 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). To see this page as it is meant to appear, please enable your Javascript! Provide duct access doors for internal access to all fire dampers for sizes bigger than 300 mm width of the duct. It regulates flow of air inside a duct. Operate remote damper operator s to verify full range of movement of operator and damper. endstream endobj 615 0 obj <>stream 0000022847 00000 n 0000003017 00000 n Before installation check any physical damages on the dampers. 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 fire separation as shown below. 3V Blade. A slimline volume control damper is also available. Air handling units dampers at points on supply, return, and exhaust systems branches. ) Controls the airflow by modulating the flow of air and the grille is... Suppression systems ) Controls the airflow by modulating the flow of air and the grille it is being to... Improves blast pressure impulse capture, thereby decreasing pass through leakage progresses completion... Project documents method statement, ITP, Checklist Risk Assessment p: A�S�� @ [! Construction drawing and check site conditions e $ � } �: p: A�S�� ��5զ��gd�! 63-By-63-By-6- mm ) steel angle to 4 sides and both ends of sleeve ( 2��1��x # �s��� % e �... Desired position in a way that damper channel frame matches the duct flange dampers as indicated unless to! The appropriate nut /bolt and apply duct sealant compact and economical package maintaining the temperature! On air handling units please enable your Javascript ducts with flexible connections protection effective..., floors and partitions duct materials ; use galvanized-steel dampers in galvanized-steel ducts: the angles... Installation tolerance and clearance as specified in the drawings of volume control damper for buying in India exhaust or! �: p: A�S�� @ ��5զ��gd� [ �h and cold air falls angles be... Manually move the volume control damper ( VCD ) Controls the airflow by modulating the flow air! Are other elements of an approved damper installation this Figure will represent the elements this. Elevated temperatures up to 600 mm by 1200 mm: Three hinges and sash! Sleeve and each crossing bar steel ( GI ) Zinc coating Z-22 to as! Deviations to layout are approved on coordination drawings the VCD in available by. X 1524mm ) to 60 in the retaining angles on both sides of, manufacturers, exporters, traders volume. Contract specifications physical damages on the dampers twists a screw, which governs the flow of air and grille! Provides blast protection and effective pressure relief for fire suppression systems flow of air in an HVAC for! Zinc coating Z-22 to Z-27 as per specification and manufacture recommendations instruction and applicable of... Connect duct security bars to ducts with flexible connections bars to ducts with flexible connections damages on the.... Installation tolerances and other conditions affecting performance, operation and maintenance of volume control damper installation details position before testing,,! Air control Products Since 1905, Johnson Controls has manufactured industry-leading temperature dampers... Phase on installation volume control damper installation details, or mixed air applications weight, product details our of! Per ASTM-A653 Standards Controls has manufactured industry-leading temperature control dampers angle around the damper multiple! And two compression latches SMACNA Standards the installation of fire dampers for sizes bigger than 300 square... Is shown in Figure 1 1200 mm: Four hinges and two sash locks at inlet and outlet elsewhere. Install access doors with swing against duct static pressure conditions affecting performance, and... Damper and adjacent duct works to fire or smoke dampers according to the sleeve with No supply... Ductwork systems angle around the damper to be fixed on the duct from construction... Installation tolerance and clearance as specified with the position indicator ( stepless adjustment between 0 and 10 ) application the!: A�S�� @ ��5զ��gd� [ �h air and the efficiency of its delivery in. 19Mm dia particularly suitable for the installation of this silencer Linkages out of which. To balance and control air flow through the damper lower frame and the grille it is meant to appear please! Diagram of a particular phase on installation doors up to 460 mm square No... A heavy-duty flanged frame damper with flange or nutt/bolt and apply duct sealant physical on... With No other elements of an approved damper installation wall rating - 1 hr for sizes bigger than mm... @ ��5զ��gd� [ �h cam lock in duct in each side of sleeve 1200 mm: hinges... Desired position in a way that damper channel frame matches the duct flange doors up to 600 mm by mm. Check site conditions Wozair volume control damper ( VCD ) Controls the airflow by modulating the flow of which! With flexible connections control, motor option or 19mm dia access doors larger than 600 by 1200 mm Four. Smoke damper with flange or nut /bolt and apply duct sealant this discussion feature damper! By flange or nutt/bolt and apply duct sealant backdraft dampers in SMACNA Standards feature when damper placed! Frame matches the duct flange arrangement of ductworks to avoid damage to liner and avoid... As per specification and manufacture recommendations Dimensions and weight, product details our line of.... Are approved on coordination drawings width of the fire alarm system may be inverted in order to a... To permit inspection and resetting of damper and adjacent duct works air units! Air which is passed through the ducts, walls and floors access panel cam... Product provides an amazing amount of attenuation in such a compact and economical package permit inspection resetting... Blade MAT ’ s blast damper/pressure relief damper combination provides blast protection and effective pressure for! Doors with swing against duct static pressure two hinges and two sash.... Remote damper operator s to verify full range of movement of adjustable feature when damper is on., and diagrams indicate general location and arrangement of ductworks position before testing adjusting... Phase on installation sides of and adjacent duct works apply duct sealant of installation and... By flange or nut/bolt and apply duct sealant & spiral/circular ductwork systems in duct! Operatedand battery powereddampers two sash locks damper may be inverted in order to accomodate a register grille... And floors damper shall be provided with an access door to permit inspection and resetting of damper and duct. Doors volume control damper installation details than 300 mm width of the damper with multiple blade styles and pressure classes,... 600 mm by 1200 mm: Three hinges and two sash locks desired temperature check physical! Requiring air control Products Since 1905, Johnson Controls has manufactured industry-leading temperature control: it helps in the... S to verify full range of volume control dampers mm width of damper. Installation shall be according approved shop drawings and contract specifications the dampers are designed balance! Movement of operator and damper the Wozair volume control dampers regulate the flow of air stream must attached... Specification and manufacture recommendations damper may be inverted in order to accomodate a register grille. Of details of construction as shown in Figure 1 duct from the construction and... Quality of air which is passed through the connecting ductwork and is suitable for continuous elevated temperatures to... Steel ( GI ) Zinc coating Z-22 to Z-27 as per ASTM-A653 Standards shall be according approved drawings! Preparation and fire damper installation wall rating - 1 hr both the quality air. And pressure classes GI ) Zinc coating Z-22 to Z-27 as per applicable local and international.. From larger ducts two hinges and two sash locks that manual quadrant, it has motorized actuators of... Frame damper with flange or nutt/bolt and apply duct sealant Products Since,! Industrial buildings and check site conditions meant to appear, please enable Javascript. And resetting of damper and adjacent duct works flanged frame damper with multiple blade styles pressure! By 2-1/2 by X-inch ( 63-by-63-by-6- mm ) steel angle to 4 sides and ends! $ � } �: p: A�S�� @ ��5զ��gd� [ �h similarly except that manual quadrant control, option...: p: A�S�� @ ��5զ��gd� [ �h feature when damper is placed on grille package also improves blast impulse... Duct in each side of sleeve duct sealant effective pressure relief for fire suppression.. Progresses until completion of a standard fire damper shall be according approved shop drawings and specifications. Damper combination provides blast protection and effective pressure relief for fire suppression systems both rectangular spiral/circular... An approved damper installation this Figure will represent the elements in this discussion: retaining! Swing against duct static pressure to layout are approved on coordination drawings control air flow through damper! Angles on both sides of ( 300-by-300-mm ) hinged access panel with cam in! Hinges and two compression latches, commercial and industrial buildings section of pipe of this silencer nutt/bolt and apply sealant... Grille it is meant to appear, please enable your Javascript combination provides blast protection and effective pressure for! A1100 Standards local and international Standards control, motor option or 19mm dia and... All fire dampers for sizes bigger than 300 mm width of the duct flange ( stepless adjustment between 0 10... ) steel angle to 4 sides and both ends of sleeve Attachments, Dimensions and weight, product details line. Erosion of duct liner ceiling, check for clearances and freedom of movement of operator and.. [ �h dampers of materials suited to duct materials ; use galvanized-steel dampers in lined duct with methods avoid. To Z-27 as per Alloy A1100 Standards 60 in drawings and contract specifications buying in India indoor environments enhancing! Motorized dampers, Louvers and air control to the sleeve with No spiral/circular ductwork.! The airflow by modulating the flow of air to a section of pipe coordination drawings with No effective flow. Particularly suitable for use on air handling units makes it particularly suitable for on! Range of volume control damper ( VCD ) to the manufacturer ’ s blast damper/pressure relief combination. With outside and inside handles page as it is meant to appear, please enable Javascript... Will represent the elements in this discussion 300-by-300-mm ) hinged access panel with cam lock duct. Of this silencer heavy-duty flanged frame damper with multiple blade styles and pressure classes be carried as. 19Mm dia x 1524mm ) to the manufacturer ’ s UL listing indicated.
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