Greenheck louvers are available in endless standard configurations. Available for in cavity wall installation, or flange mounted to exteriorinterior of the wall. The multi louver damper can be used for isolating or regulating the flow with quarter turn movement of blade. It has a 6 deep frame and a 37 12 degree blade angle. Single dampers are not usually made larger than 48 x 76 or 60 x 72 inches for ease in shipping and handling and for construction rigidity. Combination louver dampers are louvers that have fixed, stationary blades on the front of the louver, with back blade portions that are fully operable. Auto exhaust damper model 611 models 611 are a nonflanged horizontal mount exhaust backdraft damper. Static fire dampers dynamic fire dampers ceiling radiation dampers firesmoke dampers smoke dampers. We have technical and customer support available by phone or email. Il23 extruded aluminum louver 4 deep 37 drainable blade stationary louver water penetration. Since founded with quality first mind in 2002, we cair euromatic automation pvt ltd. If a damper must open or close quickly, the louver type is the only practical choice. Pvc gravity backdraft shutter pdf catalog fiberglass fixed blade louver. Custom louver dampers for industrial air handling systems.
Ruskin provides a wide variety of actuators and other accessories to customize our dampers in order to meet your needs. Order dayton combination louver damper, 12x12, 45c672 at. Ul rated firesmoke dampers also block out heat and smoke to contain or vent harmful fumes and slow the spread of fire. In addition to testing to the amca 550 standard the louver and damper assembly must first have undergone testing to the amca 500l wind driven rain procedure 50 mile per hour wind, 8 inches rain per hour. The blades have a felt seal on the leading edge for quiet closing and better protection from the weather. Find here online price details of companies selling louver dampers. Multisection dampers are typically required when the damper size exceeds 48 inches wide or 60 inches high. Fired heater design free download as powerpoint presentation. Scribd is the worlds largest social reading and publishing site. There are 79 suppliers who sells motorized louver damper on, mainly located in asia.
Mounted independently of the grille, they are opened and closed with the provided key. The top countries of suppliers are india, china, from which the percentage of motorized dampers and louvers supply is 1%, 98% respectively. At american louver, we know that every jobsite comes with its own challenges. Nailor has over 30 louver models to choose from and many are amca certified for performance. Each meets or exceeds the industrys most stringent test performance standards and provide exceptional aesthetic appeal. Eacc401 is a combination louver damper designed to protect air intake and exhaust openings in building exterior walls that, at times, require tight air shut off. February 20 dc65d extruded aluminum louver 6 deep drainable combination adjustable and stationary blades water penetration.
All have a variety of accessories, blade, head and sill designs to fit your application. A wide variety of motorized dampers and louvers options are available to you, such as hvac systems. A few butterfly dampers have gone into circular ducts adjacent to flue gas desulfurization systems, but this type of damper is not common in power plant applications. As we celebrate 90 years in the industry, pottorff remains committed to delivering high performing products on time and at competitive prices. The sill height entry and width are the only two that have any effect on the model. Louver selection guide in an effort to help located and select the louver you need, this catalog organizes the more than 100 standard greenheck louver models into easily navigated categories, organized by your application requirements. Louvers manual and motor operators louver and damper operators. Design incorporates a drainable head member, drainable stationary blades, operable blades and a concealed actuator within the louver sill. Gravity louver damper being a highly effective, lean and fastmoving organization, we are highly instrumental in providing an extended array of gravity louver damper. Our dampers meet air leakage requirements set by ashrae, amca, and the international energy code council iecc, which encourages energy conservation.
Water infiltration is directly related to a louver specific free area velocity. When ordering or planning a multisection damper, doublecheck that these accessories, and any other hardware you will need, are included in your damper purchase order. Stationary blades with extruded vinyl seals and automatic backdraft blades shall be entirely contained within a 4 102 frame. At fpm recommended maximum free area velocity pressure drop. Cair damper valve manufacturer supplier, butterfly damper. Through engineering and testing, nca will continue to be a major player in the louver and damper market so engineers and designers can specify nca with confidence. Inspection intervals depend on system usage and atmospheric conditions within the system. Dayton combination louver dampers e n g l i s h e s p a n o l f r a n c a i s form 5s6597 printed in u. There are 76 suppliers who sells motorized dampers and louvers on, mainly located in asia.
Parallel blade louver dampers are available for openclose service, fixed flow balance control, and for use as a variable control damper at the inlet box of a fan to prespin the air entering the fan wheel. Louver parallel blade louver dampers are available for openclose service, fixed flow balance control, and for use as a variable control damper at the inlet box of a fan to prespin the air entering the fan wheel. The top countries of suppliers are india, china, from which the percentage of motorized louver damper supply is 1%, 98% respectively. The elf6375dfl stationary louver is ul listed for windload resistance and florida product approved for compliance to the florida building code. A wide variety of motorized louver damper options are available to you, such as hvac systems. Greenhecks commitment to our customers doesnt end with a finished product. Light to moderate rain, exhaust, high velocity intake drainable blade high performance louver 1704dhp, 1706dhp air control, ventilation, exhaust, intake adjustable, drainable blade louver 1704ad, 1706ad how to size louvers the prime factor involved in sizing a louver is the velocity of the air through its free area. The kfl series is a fixed blade fiberglass drainable louver used in applications where corrosive air exists for exhaust, air supply or pressure relief. With that in mind, the following accessories are designed to complement and facilitate the installation of our products. Get info of suppliers, manufacturers, exporters, traders of louver dampers for buying in india. Our louver assemblies are designed to fit behind our grilles to control air flow and increase heating and cooling efficiency. Is there something special about louvers that wont allow me to edit the family. The carnes company is pleased to provide you a complete line of top quality louvers, dampers and penthouses. The frame is galvanized steel with aluminum blades.
Air control dampers backdraft dampers ceiling radiation dampers ul rated fire, firesmoke, and smoke dampers louvers penthouses. In some cases, you may have to remove the grille to adjust louvers. Manufacturing rocklin, ca schofield, wi frankfort, ky kunshan, china international distribution china mexico. The pressure drop curves of louvers are based on free area velocity and vary very little, depending almost exclu. Iv loaded one of the default louvers 24 x 24 and am trying to duplicate the type to include a 60 x 80 version. Extensively used in various industries to permit a flow of air while avoiding things as objects, dirt, or winddr more. Definition of damper, types of damper valve, applications. Nca also has an impressive line of louvers including amca listed, acoustical, operable and hurricane tested louvers. Choose from extruded aluminum or galvanized steel louvers. Use a louver with an integrated damper combination louver which is built as a single unit, the performance is tested and predict able.
Conventional application louvers fixed blade these conventional. Stationary blade, adjustable blade and specialty louvers are available in a variety of blade types and in frame depths from 2 through 6 inches. Double parallel louver dampers and double guillotine dampers also get consideration. When installing a damper behind a fixed louver, the total pressure drop can be unpredictable. Manufacturers must test a 48 inch x 48 inch specimen size. If you have application questions in the field, we are here to assist you. Carnes high performance combination louvermotorized dampers incorporate the drainable blade design with drain spouts located at the jambs of the louver to channel water out and away from the building. Multi louver damper is made up of various blades which rotate on their central shaft. If fixed, a matching damper is recommended which can be downstream or combination ie, the louver wont move, only the damper behind will.
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