Flat Oval Spiral Duct Enjoy the beneath online video to see the installation of oval duct and fittings. See that the reducer getting used is undersized on its collar allowing for the oval duct to slip about the collar. They may be working with Unistrut with threaded rods as hangers for the ductwork.

Round Industrial Requirements will deal with round ducts that carry corrosive fumes or particulate make any difference, like that present in a dust selection process or industrial processes.

Dampers are utilized to adjust the quantity in ducts. These will be employed by the air balancing staff to set the CFM required for your department or key which has a manual quantity damper.

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Together with the spiral seam you can find several other sorts of seams that run straight from one particular end to the opposite (longitudinally), like a longitudinal welded seam as revealed in the online video underneath.

A reducer is utilized to alter size on the duct operate. The reduction in size can be attained by utilizing a cutting down tee.

EMT (electrical metallic tubing) - is produced from aluminium and galvanized steel. This electrical conduit pipe is often known as skinny wall as it is versatile sufficient to become bent to shape. Employed indoors in residential and commercial purposes.

The commonest 45 and 90 degree elbows are fabricated to obtain adjustable gores, so that you can spin the gores and make numerous angles out of The 2 types.

In the above mentioned instance the Green Dot highlights a pricey fitting rather than a simple spin-in. What is actually represented by the image is really a type of faucet/Square-to-Round all in a single fitting.

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Round Saddle Tap and Reducer (Requires two supplemental parts) In the case higher than It will be ideal to use the T-WYE as it is just one a lot less connection. Utilize a T-Wye once the primary duct variations measurements, and use saddle-taps in the event the major remains the exact same measurement as revealed underneath.

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There are lots of manufactures that give various forms of flanged connections like Ductmate™ Spiralmate™, see their website To learn more and films for numerous connections.

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