Sort By . $46.99 $ 46. In today’s world, energy costs are increasing rapidly. $5.41 shipping. Sizes from 3" to 24" round in butterfly damper design, slide in volume dampers, handle dampers, and dryer damper … 10.12 4 1445525130 0. CITB NI 14208 CPD Certificated No. $58.30 $ 58. From £14.30. 14.30 9 1445525130 5. A016521 Ensure ductwork cleaning to legal and insurance standards BS EN 15780, LPS2084, & EC852:2004 They are designed to shut when a specified temperature or a fire/smoke condition is met, preventing the spread of fire and smoke. 4.2 out of 5 stars 20. From £38.50. 45. Get contact details and address | ID: 9141737133 it minimises the overall dimensions of the damper orifice (opening). FREE Shipping by Amazon. Read about company. Main Menu; Home Home; Grilles and Diffusers. The CEVaC range of Ductwork Accessories represents a mixture of established and new items, to assist in the manufacture, assembly and installation of ductwork. More Buying Choices $15.00 (2 new offers) AC Infinity 4" Backdraft Damper, One-Way Airflow Ducting Insert with Spring-Loaded Folding Blades for 4” Ducting in Range Hoods and Bathrooms Fans. Skip to main content. The only requirements are that they should have a low leakage when closed, not create too much resistance when open and should be easy to operate. 4-in HVAC Duct Manual Volume Damper with Sleeve. Our smoke dampers are used to manage smoke only, whilst our intumescent fire smoke dampers also manage fire and are designed to close when the temperature reaches 74°c. The High-temperature damper operates continuously at 300°c for up to 2 hours. More specifically, it’s a valve or plate that stops or manages the flow of air inside a duct, chimney, variable air volume (vav) box, air handler, or other air handling equipment. Find a Store Near Me . The damper closure has approximately air tightness class 2 as per EN 1751:2002, without full class compliance. A damper may be used to cut off central air conditioning (heating or cooling) to an unused room, or to regulate it for room-by-room temperature and climate control. These are the latest products available from the very best of current European, American, Asian and UK manufacturers. 6-in Hvac Duct Manual Volume Air Damper with Handle. Iris damper is a balancing damper used for adjustment and measurement of airflow in the circular ductwork. Only 2 left in stock - order soon. Get it as soon as Mon, Dec 28. 4.2 out of 5 stars 61. A damper is a mechanical device in a duct or chimney that controls airflow. They are undersized to fit inside duct. How Do Fire Dampers Work? A damper is a valve or plate that stops or regulates the flow of air inside a duct, chimney, VAV box, air handler, or other air-handling equipment. Duct & Dampers.com is the leading internet supplier of Duct and System Air Dampers, Duct Fans, Duct Installed Products and Duct Fabrication Products. They are made from fire resistant materials and are designed to prevent a fire from spreading inside the ductwork. Product (A-Z) Product (Z-A) Price (Low-High) Price (High-Low) Default (Low-High) Default (High-Low) Sales (High-Low) Sales (Low-High) Rating (Worst-Best) Rating (Best-Worst) Blast Gate Damper. A full range of volume control and fire dampers from HVC Supplies include CE marked NCA Series 700 motorised leakage rated fire dampers (fire smoke dampers). HVAC Duct Fittings, Sheet Metal Duct Fittings Supplier. Participants learn about the various kinds of fire dampers for ductwork, as well as being trained in how to test and reset them. Furnace Draft Dampers Also known as barometric dampers, these dampers improve furnace performance by automatically opening and closing to maintain consistent airflow despite changing environmental conditions. Get it as soon as Tue, Jan 5. We are committed to offering the highest quality products, technical product information and customer service support. Hotchkiss Air Supply are national stockists/distributors for all major HVCA manufacturers which include: Partners METU ® 3. More Buying Choices $14.50 (3 new offers) neverest RK 6" Professional Backdraft Shutter Damper Connector Duct. Smoke, Fire and Volume Control Navigation Section Home Products > Smoke & Fire Dampers > Smoke Evacuation Dampers > Volume Control Dampers 4.5 out of 5 stars 2. A probe connected to the motor is installed in the run of the duct and detects smoke, either in the air which has been extracted from or is being supplied to a room, or elsewhere within the run of the duct. 30. These dampers can be motorized or manual. Types of fire dampers for ductwork. The AJS fire damper range is designed for low - medium & high air velocity ductwork systems. $24.99 $ 24. 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