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The Flanged In Line Back Draft Damper is used to reduce backward air flow in the line. It is constructed with rotational, industry-standard angle flange on each end. ø 3" to 34". Galvanized steel or 304SS construction.

Used to reduce backward air flow in the line.Designed for use in a horizontal line. Specify if vertical operation is required.

Not an explosion isolation device.

⦁ Flanged ends –  rotational Angle Flanges retained via vanstone lip
⦁ Available in galvanized steel and 304SS (as shown below) or optional 316SS or carbon steel
⦁ Available with QF ends in diameters 3" to 24", and other various end types
⦁ Optional gauges 20, 18 and 14

Contact Nordfab or your local Nordfab dealer for assistance with smaller or larger sizes and material / gauge options.

Ideal for most dust collection applications, Nordfab Quick-Fit® Clamp Together Ducting can reduce installation time by as much as 50%, reducing costs and downtime. Quick and easy to install, QF® is also easy to clean and is re-useable during facility reconfigurations. Ductwork is available in galvanized and stainless steel construction.

Nordfab Flanged adapters allow connections to machinery as well as ductwork with other connection types. They come with pre-drilled, loose FLI / FLN flanges at each end for ease of alignment and connection to other ducting components during installation. Nordfab flanged ductwork is typically used for larger diameters and used in high-pressure industrial ventilation systems where airtight connections are essential.

Can't find what you're looking for? Contact us, and we'll be happy to help!

Quick-Fit® clamp-together duct accessories for use in process ventilation / dust collection systems. Jet caps, back draft dampers, drop out boxes, silencers, spark traps, and other ductwork for special applications.

Quick-Fit® Diverter Valves for use in process ventilation / dust collection ducting systems where airflow redirection is required. Automatic or manual valves.

Nordfab flanged ductwork is typically used for larger diameters and used in high-pressure industrial ventilation systems where airtight connections are essential. Nordfab Flanged Ducting features an industry standard flange on the ends (FLI or FLN) and is available in galvanized or stainless steel. 

Can't find what you're looking for? Contact us, and we'll be happy to help!

Nordfab High Vacuum (HV) Duct Systems are used in applications in which the high vacuum and low airflow are being used to catch, transport, and filter fumes, dust, and other particles. Connections are made using couplings which seal securely. Ductwork is available in galvanised and stainless steel construction (304SS & 316L).

Can't find what you're looking for? Contact us, and we'll be happy to help!

Nordfab Quick-Fit (QF) dampers, manual or automatic, allow regulation of the volume of airflow through a section of ductwork. They are being used in process ventilation, dust collection, and fume extraction systems.

Can't find what you're looking for? Contact us, and we'll be happy to help!

Flexible ducting /hose and hose clamps for use in process ventilation and dust collection systems.

Straight duct, including telescopic duct, clips, and gaskets to be used in process ventilation, dust collection, and fume extraction systems. Our standard sizes ranges from 80 mm to 710 mm in diameter and our ductwork is available in galvanised and stainless steel construction. Can't find what you're looking for? 

Contact us, and we'll be happy to help!

Ideal for most dust collection applications, Nordfab Flanged Ducting features an industry standard flange on the ends. Ductwork is available in galvanized, stainless, and carbon steel construction.

Nordfab's Quick-Fit (QF) bends, pressed or segmented, allow airflow direction change in a run of a duct. They are being used in process ventilation, dust collection, and fume extraction systems. Quick-Fit (QF) Bends are available in galvanised and stainless steel construction,  90°, 60°, 45°, 30°, and 15° with Quick-Fit rolled ends. R = 1,5 x Ø. 

Can't find what you're looking for? Contact us, and we'll be happy to help!

Flanged flexible ducting / hose assemblies for use in process ventilation and dust collection systems. Assemblies are Rigid Flex Steel or Ultra Flex Steel Hose with welded flange ends. Flanges available with industry standard or custom hole patterns. Diameters from 3" to 14". Galvanized or stainless steel.

Straight duct, clips, and gaskets to be used in process ventilation, dust collection, and fume extraction systems. Comes with pre-drilled, loose FLI / FLN flanges at each end for ease of alignment and connection to other ducting components during installation. Nordfab flanged ductwork is typically used for larger diameters and used in high-pressure industrial ventilation systems where airtight connections are essential.

Can't find what you're looking for? Contact us, and we'll be happy to help!

Flanged duct adapters for use in process ventilation / dust collection systems, including Reducers and End Plates. Diameters from 4" to 72". Available gauges (wall thicknesses) from 22ga to 10ga. Flanges available with industry standard or custom hole patterns.

Nordfab's FB bends, pressed or segmented, allow airflow direction change in a run of a duct and are being used in process ventilation, dust collection, and fume extraction systems. The FB bends are available in 90°, 60°, 45°, 30°, and 15° angles. R= 1,5 x Ø and designed with 6 mm edge for easy clip connection. The FB Clips allow for a quick installation, as they easily connects two ducting components together. 

Can't find what you're looking for? Contact us, and we'll be happy to help!

Designed for machining and any other operations which create oil mists, Nordfab QFS Ducting can significantly reduce the risk of leakage in the ducting. QFS features laser welded and caulked duct (solid seams eliminate leakage) and double sealing at duct connections. Ductwork is available in galvanized and stainless steel construction.

Nordfab FB dampers, manual or automatic, allow regulation of the volume of airflow through a section of ductwork. They are being used in process ventilation, dust collection, and fume extraction systems.

Can't find what you're looking for? Contact us, and we'll be happy to help!

Nordfab offers various of accessories for our Flanged ducting system. All components come with pre-drilled, loose FLI / FLN flanges at each end for ease of alignment and connection to other ducting components during installation. Nordfab flanged ductwork is typically used for larger diameters and used in high-pressure industrial ventilation systems where airtight connections are essential.

Can't find what you're looking for? Contact us, and we'll be happy to help!

Designed for machining and any other operations which create oil mists, Nordfab QFS Ducting can significantly reduces risks of leakage from ducting. QFS features laser welded and caulked duct (solid seams eliminate leakage) and double sealing at ductwork connections. Ductwork is available in galvanized and stainless steel construction. See our QF section for additional products which are available with sealing options.

Duct Hoods and rectangular to round transitions for use in process ventilation / dust collection systems. Hoods allow local source capture.

Flanged duct accessories for use in process ventilation / dust collection systems. Jet Caps, In Line Back Draft Dampers, Silencers, Spark Traps, and other ductwork for special applications.

Duct hanging and installation products for use in process ventilation / dust collection systems.

Nordfab Mild Steel ducting systems feature a 2 mm or 3 mm thick wall that can tolerate abrasive materials and are designed for challenging dust collection / ventilation applications. The Mild Steel ducting components are available with painted surface or with stainless steel construction, which is well suited for extraction in commercial kitchens. 

Can't find what  you're looking for? Contact us, and we'll be happy to help!

Nordfab Flanged branches are used to port to machine outlets or other duct lines. They come with pre-drilled, loose FLI / FLN flanges at each end for ease of alignment and connection to other ducting components during installation. Nordfab flanged ductwork is typically used for larger diameters and used in high-pressure industrial ventilation systems where airtight connections are essential.

Can't find what you're looking for? Contact us, and we'll be happy to help!

Nordfab offers flexible ducting / hose and hose clamps for use in  process ventilation, dust collection, and fume extraction systems.

Can't find what you're looking for? Contact us, and we'll be happy to help!

Nordfab's Flanged bends allow airflow direction change in a run of a duct. They come with pre-drilled, loose FLI / FLN flanges at each end for ease of alignment and connection to other ducting components during installation. Nordfab flanged ductwork is typically used for larger diameters and used in high-pressure industrial ventilation systems where airtight connections are essential.

Can't find what you're looking for? Contact us, and we'll be happy to help!

Designed for machining and any other operations which create oil mists, Nordfab Quick-Fit Sealed (QFS) Ducting can significantly reduce risks of leakage from ducting. QFS features laser welded and caulked duct (solid seams eliminate leakage) and double sealing at duct connections.  When clipping the ductwork together, an additional nitrile gasket is placed between the parts to avoid leakage. The Quick-Fit Clip features a generoursly dimensioned sealing gasket held firmly in place by positive over-centre clamping action over the rolled collars at the duct ends to be joined. 

Our standard sizes ranges from 80 mm to 710 mm in diameter and our ductwork is available in galvanised and stainless steel construction. 

Can't find what you're looking for? Contact us, and we'll be happy to help!

Quick-Fit clamp-together duct branches for use in process ventilation / dust collection systems. Standard versions 30° or 45° angles. Galvanized steel, 304SS, or carbon steel construction. Diameters up to 72". Variety of gauges (wall thicknesses) available.

QF clamp-together duct adapters for use in process ventilation / dust collection systems. Adapters allow connections to machinery as well as ductwork with other connection types.

Flanged Duct Branches for use in process ventilation / dust collection systems. Standard version 30° or 45° angle, other degrees on request. Diameters from 3" to 72". Gauges (wall thickness) from 22ga to 10ga. Flanges available with industry standard or custom hole patterns.