The double louver damper is used to combine flow control with the capability of 100% isolation. It is possible for moisture to penetrate louvers under adverse atmospheric conditions. Dayton electric manufacturing company certifies that the louvers shown herein are licensed to bear the amca seal. Dampers are available in motorized and gravity operated versions. Multilouver damper is made up of various blades which rotate on their central shaft. Ald automatic louver damper hvac systems acronymfinder. 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. All louvers and dampers should be checked for freedom of movement. We understand that chemical and physical invasions can cause damage to products and hamper the quality.
Louver plate kit filters thermal management nvent hoffman. Blades and linkages and damper motor shafts should be periodically cleaned. Many of us have been selecting louvers and dampers out of habit without remembering the basics and this little piece is a refresher. A wide variety of motorized dampers and louvers options are available to you, such as hvac systems. Custom louver dampers for industrial air handling systems. Air control dampers backdraft dampers ceiling radiation dampers ul rated fire, firesmoke, and smoke dampers louvers penthouses. Stationary blades with extruded vinyl seals and automatic backdraft blades shall be entirely contained within a 4 102 frame. Materials, sizes, depths, arrangements and material thickness. Each meets or exceeds the industrys most stringent test performance standards and provide exceptional aesthetic appeal. Extruded aluminum combination damperlouver drainable blade air intake water penetration chart 700 760 820 880 940. Louver and damper actuators louver and damper actuators model. Greenheck louvers are available in endless standard configurations. Control dampers are usually installed with the blades horizontal, so the width is the dimension in line with the 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. Order dayton combination louver damper, 24x36, 45c680 at. Heavy duty low leakage manual control damper dampers quick view. The purpose of the louver is to have an aesthetically pleasing interface to allow air into or out of the building while keeping nonair out ie, birds. The top countries of suppliers are india, china, and japan, from which the percentage of louver damper supply is 1%, 96%, and 1% respectively. How is automatic louver damper hvac systems abbreviated. Ald stands for automatic louver damper hvac systems. If the blades are vertically mounted, then thrust washers are necessary. The damper is configured with two rows of blades in a common frame. Damper manufacturers by convention use width by height when placing orders. Mn7220 nonspring return direct coupled actuator, 175 lbin honeywell dual auxiliary switch package honeywell m9161, m9164, m9171, m9174 modutrol iv.
Thus, we ensure our products are packed securely using premium packagin more. Design incorporates a drainable head member, j style stationary louver blades, pressuregravity operated damper blades and sloped sill to provide maximum resistance to rain and weather. Multi louver air damper manufacturer, hvac damper valve. Honeywell direct coupled damper actuatorsnonspring return n20 series. This product is developed by the team of professionals using top class components and latest technology as per the set. Gci402 is a combination weather louver and gravity backdraft damper designed to protect air intake openings in building exterior walls. It is engineered to provide precise flow control while minimizing static pressure loss in round ducts. Configurable stepper driver for hvac louver and motor. Generally onoff duty multilouver damper are parallel blades and.
Parallel and opposed blade linkage assemblies are designed to compensate for thermal gradients between frame and linkage. A wide variety of louver damper options are available to you, such as hvac systems, heating, and air conditioning. Actuator sizing should be done in accordance with the damper manufacturers specifications. High strength adjustable blade linkage with selfaligning. Louver dampers manufacturers, louvre dampers suppliers. Enlisting here data of louvre dampers, louver dampers manufacturers, louvre dampers suppliers and exporters.
There are 5 suppliers who sells louver damper on, mainly located in asia. Combination louvermotorized dampers are ideal for use where space is limited, and there may not be. Inspection intervals depend on system usage and atmospheric conditions within the system. For critical applications, drained ductwork or other means of drainage. A louver american english or louvre british english. This concept could also be more broadly expanded to drive any number of channels for other building automation designs including louver control in smart ventilation systems and automated window blind tilting as well as. The louver blades are lined with sound absorbing insulation which results in a product that is highly effective at reducing nuisance noise to the exterior. The angle of the slats may be adjustable, usually in blinds and windows, or fixed. Ul rated firesmoke dampers also block out heat and smoke to contain or vent harmful fumes and slow. Angled slats that allow light and air to pass through, but block out rain, direct sunlight, and noise. Manufacturers must test a 48 inch x 48 inch specimen size.
Louver installation instructions architectural louver. As we celebrate 90 years in the industry, pottorff remains committed to delivering high performing products on time and at competitive prices. The following installation instructions apply to all regular stationary and operable louvers fabricated out of extruded aluminum or steel. Order dayton combination louver damper, 12x12, 45c672 at. Heavy duty low leakage motorized control damper dampers quick view. Remove the louver from the shipping container and inspect for damage. Use with steel louver use with stainless steel louver. Extruded aluminum combination louver damper model 45c672, 5nkh6, 5nkh7, 45c680, 5nkh8, 45c679, 5nkh9, 45c682, 5nkj0, 45c681, 5nkj1, 45c673, 45c674 heavy duty extruded aluminum construction designed to protect the air intake and exhaust openings in the exterior walls of any building from rain and weather while still providing efficient airflow. Ul rated firesmoke dampers also block out heat and smoke to contain or vent harmful.
All are amca licensed for air performance, water penetration and sound. Do not drop, drag, step on or apply excessive force on louver. We find that this is the best lubricant for damper mechanisms. Wall louver installation instructions showing various mounting methods and options keywords. Square louver damper we offer is widely demanded in the industry due to their superior in quality and designing. Choose from extruded aluminum or galvanized steel louvers. The multilouver damper can be used for isolating or regulating the flow with quarter turn movement of blade. 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. Combination louver dampers are louvers that have fixed, stationary blades on the front of the louver, with back blade portions that are fully operable. 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. Fxmbc type a 24vac belimo onoff, spring return safety, 24v torque min. Multi louver damper valve electric actuator 4matic valves duration.
Components in common with this damper and the standard louver damper include shafts. The dayton extruded aluminum combination fixed and adjustable blade louvers are designed to protect the air intake and exhaust openings in the exterior walls of any building from rain and weather while still providing efficient air flow. Formed steel louver louvers and dampers quick view. Damper maintenance damper maintenance general dampers require proper maintenance. As nouns the difference between damper and louver is that damper is something that damps or checks. Extruded aluminum combination louver damper hvacr fact sheet note. These acoustical louvers are among our most popular. The angle of the slats may be adjustable controlled manually or by an actuator, or fixed. These louver dampers manufacturing companies are providing high quality products to the clients on time. Damper sizes are generally called out using height by width on plans or schedules.
Note to specifier backdraft damper blades are made from formed. There are 76 suppliers who sells motorized dampers and louvers on, mainly located in asia. Looking for dayton combination louver damper, 36h x 48w min. Adjustable louver and combination louver damper maintenance all adjustable louvers and combination louver dampers should be checked and serviced on a regular schedule. At fpm recommended maximum free area velocity pressure drop. All have a variety of accessories, blade, head and sill designs to fit your application. A louver damper is the ideal solution for rectangular ducts for either gas isolation or flow control using parallel or opposed blade configurations.
Provide cs louver models, bird screens, blankoff panels, structural supports and accessories as specified andor shown on the drawings. The top countries of suppliers are india, china, from which the percentage of motorized dampers and louvers supply is 1%, 98% respectively. Free area in square feet and square meters width in inches. 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.
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