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. We find that this is the best lubricant for damper mechanisms. Ruskin manufactures a complete line of ul classified dampers that are designed. Ul rated firesmoke dampers also block out heat and smoke to contain or vent harmful fumes. The elbd375i automatic intake dual combination aluminum louver combines a drainable blade louver and an intake backdraft damper in a nominal 9 frame. There are 5 suppliers who sells louver damper on, mainly located in asia. Stationary blade, adjustable blade and specialty louvers are available in a variety of blade types and in frame depths from 2 through 6 inches. At american louver, we know that every jobsite comes with its own challenges. Heavy duty low leakage manual control damper dampers quick view. In 1964, air balance revolutionized fire dampers by inventing and introducing the curtain blade fire damper, which is still the industry standard. Ul rated firesmoke dampers also block out heat and smoke to contain or vent harmful fumes and slow. The lower the leakage, the higher the cost of the damper. Used for intake or exhaust in industrial and commercial applications.
Louver damper, type ldj and type ndj, will be used for controlling air flow and shutting off air ducts. Generally onoff duty multilouver damper are parallel blades and. Multi louver damper is made up of various blades which rotate on their central shaft. Hvac dampers, louvers and air control products since 1905, johnson controls has manufactured industryleading temperature control dampers. Pvc gravity backdraft shutter pdf catalog fiberglass fixed blade louver. Most louvers are manufactured from extruded aluminum since they brave the. Stationary aluminum louvers stationary steel louvers adjustable and combination aluminum louvers adjustable and combination steel louvers acoustical louvers severe weather rated louvers visionsun screens penthouse louvers brick vents. Ruskin airflow measuring louvers combine the functions of an outside air louver. Quality products at airolite, we enjoy an industryleading status.
Low torque, concealed linkage blade control can be operated manually or with an actuator to. Architect, contractor, corporate owner, home owner, student, builder. Dampers are available in motorized and gravity operated versions. Bearings damper bearings are important components of the damper construction and are available in different.
Custom louver dampers for industrial air handling systems. Definition of damper, types of damper valve, applications. Air louvers installation instructions activar construction. Dayton combination louver is designed to protect air intake and exhaust openings from rain and weather while still providing excellent air flow. Heavy duty low leakage motorized control damper dampers quick view. The ael series louvers are available with a variety of glazing, channel or flange frames. The damper is configured with two rows of blades in a common frame. Combination louver motorized dampers are ideal for use where space is limited, and there may not be enough room for installing a separate damper in behind the louver. Damper maintenance damper maintenance general dampers require proper maintenance. Formed steel louver louvers and dampers quick view. We have technical and customer support available by phone or email. High strength adjustable blade linkage with selfaligning rod ends.
Do not drop, drag, step on or apply excessive force on louver. Angled slats that allow light and air to pass through, but block out rain, direct sunlight, and noise. Electric actuated dampers and louvers are available when the use of outside air is required. 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.
With the louver and damper combined in a onepiece assembly, the. Multi louver air damper manufacturer, hvac damper valve. The frame is galvanized steel with aluminum blades. 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 valve electric actuator 4matic valves duration. Blades and linkages and damper motor shafts should be periodically cleaned. Stationary blades with extruded vinyl seals and automatic backdraft blades shall be entirely contained within a 4 102 frame.
Noninsulated, insulated blankoff, insect and bird screens ael45 t front ael42 t front 1. We manufacturers a wide range of control dampers, manual balancing dampers. Air dampers perfect for a wide variety of applications at johnson controls, we offer damper controls in a diverse range of models. Contact us 727 4412651 727 4437167 1985 carroll st.
If you have application questions in the field, we are here to assist you. Nailor model 1606cdaf is a combination louver and damper that incorporates front stationary drainable blades and rear adjustable airfoil blades, all within a single frame. Remove the louver from the shipping container and inspect for damage. Il31 extruded aluminum louver 6 deep 3542 drainable blade stationary louver water penetration. Motorized motor driven dampers are typically used in applications where a very tight seal is required or when the damper has to operate against air pressure such as closing off a zone. Get info of suppliers, manufacturers, exporters, traders of louver dampers for buying in india. First point at which the louver entrains water, based on air intake free area velocities 0. The kfl series is a fixed blade fiberglass drainable louver used in applications where corrosive air exists for exhaust, air supply or pressure relief. Multiple sections can be combined for larger sizes construction. Greenhecks commitment to our customers doesnt end with a finished product. Cfmsq ft of damper area at a given static pressure or as a class class i, ii, iii. Louver and damper actuators louver and damper actuators model. Models 411 are a nonflanged horizontal mount exhaust backdraft damper.
Product testing we have the ability to test our products at temperatures up to 1500. Manufacturing rocklin, ca schofield, wi frankfort, ky kunshan, china international distribution china mexico. At fpm recommended maximum free area velocity pressure drop. 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 multilouver parallel blade fan inlet dampers, with airfoil blades, provide excellent fan control. Millfinish extruded aluminum drainable frame is 4 deep, 0. 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. Underwriters laboratories ul 555s defines these classes.
Manufacturers must test a 48 inch x 48 inch specimen size. Combination louvermotorized dampers are ideal for use where space is limited, and there may not be. Actuator sizing should be done in accordance with the damper manufacturers specifications. Today, we offer a complete line of hvac dampers and air control products including volume control, balancing, round, zone, fire, smoke and combined models. Standard louver this is the most basic of rectangular dampers in that it possess multiple rotating blades each hinged with two 2 stub shafts or a throughshaft. Looking for dayton combination louver damper, 36h x 48w min. Nca also has an impressive line of louvers including amca listed, acoustical, operable and hurricane tested louvers. Order dayton combination louver damper, 12x12, 45c672 at.
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. Reliable is the leader in the architectural ptac louver industry. Rectangular frames are designed to limit deflection and combined stresses resulting from combined live and dead loads. Heavy duty low leakage manual control damper dampers. This will prevent guessing and field problems later. If a damper must open or close quickly, the louver type is the only practical choice.
Reliable is approved for all thruthe wall louver applications. If fixed, a matching damper is recommended which can be downstream or combination ie, the louver wont move, only the damper behind will. In addition to testing to the amca 550 standard the louver and damper assembly must first have. The multi louver damper can be used for isolating or regulating the flow with quarter turn movement of blade. 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.
With that in mind, the following accessories are designed to complement and facilitate the installation of our products. When adding a motorized damper or gravity damper to the back side of the louver, take the extra time to specify the damper by model number and detail it accurately. Double parallel louver dampers and double guillotine dampers also get consideration. The top countries of suppliers are india, china, and japan, from which the percentage of louver damper supply is 1%, 96%, and 1% respectively. Backdraft dampers also known as gravity dampers are used in ventilation systems to allow airflow in one direction and prevent.
Submittal, model 1604cd, extruded aluminum combination louver. Electrical, pneumatic, and manual actuator available. Nailor model 1604cd is an extruded aluminum combination louver and damper that incorporates front stationary drainable blades and rear adjustable blades. As nouns the difference between damper and louver is that damper is something that damps or checks. Extruded aluminum combination louverdamper drainable blade 1606cdaf 6 152 airfoil, drainable45 6.
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. Manual operators as well as 120v, 24v and 230v electric actuators are available with the combination louver damper. Choose from both rectangle and round configurations designed specifically for things like safety applications, lowleakage and heavy duty industrial needs, and backdraft for pressure relief. Reliable offers the highest quality louver products available for a variety of. Control damper is amca licensed for air leakage and air performance. Some louvers are provided with factory installed dampers, or with a louver blade which rotates like a damper blade. Multi louver parallel blade fan inlet dampers, with airfoil blades, provide excellent fan control. Combination louver dampers have an extruded aluminum construction for long lasting durability and dependability. Available for in cavity wall installation, or flange mounted to exteriorinterior of the wall.
The carnes company is pleased to provide you a complete line of top quality louvers, dampers and penthouses. Multilouver damper is made up of various blades which rotate on their central shaft. Features all of the latest literature that ruskin has produce, available in pdf format. Water infiltration is directly related to a louver specific free area velocity. Find here online price details of companies selling louver dampers. Many of us have been selecting louvers and dampers out of habit without remembering the basics and this little piece is a refresher. The double louver damper is used to combine flow control with the capability of 100% isolation. At 1200 fpm recommended free area velocity pressure drop. The angle of the slats may be adjustable controlled manually or by an actuator, or fixed.
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