The dampers are tested to 1733 f 945 c for 60 minutes.
Fire damper louver.
Dynamic fire dampers watch video.
Nca also has an impressive line of louvers including amca listed.
Wind driven rain water penetration testing our in house wind driven rain test chamber simulates the effects of a.
Our dampers are ideal for outdoor air applications that require low leakage or heavy duty industrial needs to prevent hot or cold outside air penetrating your building.
Ul rated fire smoke dampers also block out heat and smoke to contain or vent harmful fumes and slow the spread of fire.
Since the development of modern fire damper protection equipment lloyd industries inc.
Air control dampers backdraft dampers ceiling radiation dampers ul rated fire fire smoke and smoke dampers louvers penthouses.
Our products are suited for both the architectural and mechanical building markets.
Nca s extensive line of dampers range from air control and balancing to life safety applications.
Common damper designs include parallel and radial.
Has provided underwriters laboratory approved fire dampers as well as other essential products for the h v a c.
Products for over 35 years.
Safe air dowco has been building louvers dampers and life safety products since 1955 for commercial as well as industrial construction applications.
Marine dampers louvers and fan products imo fire damper test greenheck built a steel bulkhead to test dampers to the imo fire test procedure code a 754.
Dampers find common application in furnace and boiler draft control and in hvac heating ventilation and air conditioning systems.
List is a state of the art web program that allows engineers and architects to select the right louver based on application and performance criteria.
A damper otherwise known as a louvre is a multi element flow control device generally used to throttle large flows of air at low pressure.
Fire dampers are ul555 tested and labeled devices installed in ducts and air transfer openings or air distribution systems designed to close upon the detection of heat.
Lloyd industries has been an active manufacturer of access doors fire and smoke dampers and h v a c.
Browse our selection of flanged chevron and drainable louvers.
Johnson controls offers a broad range of hvac dampers and louvers engineered to fit your unique application and size requirements.
Nca is a brand of metal industries inc offering a complete line of louvers and dampers.