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Spiral Tube & Fittings
Spiral galvanised ductwork & fittings in a large range of sizes.
Our ductwork complies to DW144 standard. The UK recognised specification of how to manufacture and install ductwork. Spiral ducting is made for transporting air - it supplies fresh air into buildings and extracts excess/stale air out of buildings. Spiral duct is much more effective in terms of less air leaks then rectangular ducting due to less joints because of its large 3m lengths. Spiral ducting can be used to carry air up to temperatures of around 200â—¦c at a continual temperature and around 250â—¦c if the temperature is intermittent. If used above recommended temperatures, discolouring can happen and corrosion can occur.
We can offer advice over the phone or email. Other products not listed are also available so please enquire via email orders@alphatube.co.uk
Female Collar
Female collar made from galvanised steel. These collars are made to join male fittings together such as bends or tees. Available in sizes ranging from 63mm – 630mm. Bigger sizes available by phone or email enquiries.
*Please note* some of the more uncommon sizes may have a larger lead time.
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End Caps
Cap ends made from galvanised steel with male ends to fit inside spiral ducting. Cap ends are used to terminate ducting runs. Available in sizes ranging from 63mm – 630mm. Bigger sizes available by phone or email enquiries.
*Please note* some of the more uncommon sizes may have a larger lead time.
*Please note* depending on size, some cap ends can act as a female connection.
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Split Bracket
Galvanised steel split rings for hanging or fixing ducting. One hole on either side for screwed rod to go through. Available in sizes ranging from 63mm – 710mm. Bigger sizes available by phone or email enquiries.
*Please note* some of the more uncommon sizes may have a larger lead time.
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