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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
Flanged Spigot
Flanged spigot branch made from galvanised steel. A male connection to fit into spiral ducting, flexible tube etc. 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.
£0.00
45° Bends
45-degree bends to suit spiral tubing, made from galvanized steel. Male ends to fit in spiral ducting or flexible tube. 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.
£0.00
45° Y-Piece
Y piece 45-degree made from galvanized steel. Male ends to fit in spiral ducting, flexible tube etc. 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.
£0.00
60° Bends
60-degree bend made from galvanized steel. Male ends to fit in spiral ducting, flexible tube etc. 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.
£0.00
Flat Access Doors
Square and rectangular insulated, tabbed & sealed access doors for flat surfaced ducting. Used for resetting fire dampers and also cleaning ductwork. Other sizes available - please enquire.
£0.00
Volume Control Damper
Volume Control Damper made from galvanised steel. The dampers have male ends to fit inside ducting or other female fittings. They are used for manually balancing the flow of the air in ducting runs with a single circular blade. Bigger sizes available by phone or email enquiries.
*Please note* some of the more uncommon sizes may have a larger lead time.
£0.00
Single Fix Dual Thread Bracket
Galvanised steel suspension ring bracket for hanging or fixing ducting. Completed with a central dual fix (M10/M8) screwed rod nut on top. Available in sizes ranging from 80mm – 315mm.
*Please note* some of the more uncommon sizes may have a larger lead time.
£0.00
Blast Gate Damper
Manufactured from cast aluminium with a galvanised shut off blade. These circular dampers are ideal for use on extract systems in the woodwork industry where by you can shut off parts of a system that are not in need of a constant flow.
*Please note* other sizes may be available by telephone or email enquiries.
£0.00
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.
£0.00