Ningbo Beyond Construction Material Co., Ltd.  

Product Name: Air Duct Damper for HVAC Ducting Model NO.: DD Certification: GB/T19001-2016, ISO9001:2015 Performance: Durable,Corrosion,Fire Rated,Flexibility Shape: Round Application: Connection for Ductwork Usage: for Air Conditioner, Industrial, for Environment Protection, HVAC Ducting Material: Galvanized Steel, Stainless Steel 201 and 304 Other Types: T Duct Transition, Y Duct Transition, Reducer Connection: Male, Female Thickness: 0.4/0.5/0.6/0.8/1.0/1.2/1.5/2.0mm Type: Coupling, Connector, Transition Transport Package: Carton, Crate Specification: according to drawings, or as required Origin: Zhejiang, China HS Code: 7907002000 Product Description Spiral duct fittings fromprofessionalspiralductmanufacturer.DescriptionDamper opens and closes as the range hood is turned on and off.Prevents unwanted air infiltration and wasted energy.Stop or regulate the flow of air inside a duct.Duration, long service life.Good insulation performance, fire and corrosion resistance.Motorized damper and airtight damper are also available.Special product with special specification can be made to order.Materialgalvanized steel,stainlesssteelTechnicsweldingconnectionfemaleClassificationmanual regulating damper,motorized damper,airtight damperDiameter80mm-2000mmOperation Pressure5000 Pa negative to 3000 Pa positiveDelivery Timeaccording to actual quantityApplicationCommonly used for low efficiency filtration applications in spiral duct work.Designed for use in heating, ventilating and air conditioning systems.FAQCan you custom-made the goods?Yes, only sample or drawings are need to be provided.Delivery method?By sea preferred, also by air, courrier, available too.What is your terms of payment?T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packagesbefore you pay the balance.Do you provide samples ?Yes, we could offer the sample of conventional products for free charge but the customers have to pay the sample cost andthe courier cost.Can we place a trial order for first time?Yes, we are glad to supply you small order to try, And hope your quantity will be big in future.Company ProfileNingbo Biyang Construction Material Co., Ltd is an innovative company dedicated to the HVAC products and solutions. We have been committed to producing and supplying the energy saving and green HVAC products to provide a healthy, effective and economical solution for the ventilation industry since 2011.Our products cover all kinds of ducts, including aluminum flexible duct, stainless steel rigid duct, aluminum rigid duct, PVC combined duct, acoustic duct, semi-rigid duct and so on, different air diffusers, like round air diffusers, square air diffusers, linear air diffuser, jet nozzle diffuser, etc, and all sorts of ducting accessories and HVAC parts, like different ducting hoses, duct fittings, duct connectors and other fittings.The products of the company are widely used in all ventilation fields of ventilation, air conditioner, cleaning, dust extraction and material conveyance. The company provides large projects such as airports, gyms, exhibition centers, supermarkets and textile factories with all-round top-quality services.Our ducts are used in National Olympic Sports Center and Shanghai Disneyland, our air diffusers are bought for the Thailand national bank renovation and Quebec museum ventilation updating. In all, we've provided more than 1000 projects for all kinds of ventilation parts.Please kindly contact us if you have any inquiry or requests.