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 200◦c at a continual temperature and around 250◦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
DISCOUNT OFFER
BUY OVER 5 PRODUCTS - 10% OFF
BUY OVER 10 PRODUCTS - 20% OFF
Round Access Doors
Curved access doors to suit circular ductwork. Used to access the insides of the ducting to reset fire dampers or to clean. A sandwich type effect that clamps the opening with a gasket seal by wheel knobs.
Reducers
Long & Short Concentric Reducers made from galvanized steel. Male ends to fit inside ducting. 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.
DISCOUNT OFFER
BUY OVER 5 PRODUCTS - 10% OFF
BUY OVER 10 PRODUCTS - 20% OFF
Mesh Ends
Mesh end caps made from galvanized steel. Tabbed ends to fit on the outside of spiral ducting. Available in sizes ranging from 63mm – 710mm. Bigger sizes available by phone/email enquiries and may have a different connection.
DISCOUNT OFFER
BUY OVER 5 PRODUCTS - 10% OFF
BUY OVER 10 PRODUCTS - 20% OFF
Male Collar
Male collar made from galvanised steel. These collars are made to join lengths of spiral tube together or other female fittings. 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
DISCOUNT OFFER
BUY OVER 5 PRODUCTS - 10% OFF
BUY OVER 10 PRODUCTS - 20% OFF
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.
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.
DISCOUNT OFFER
BUY OVER 5 PRODUCTS - 10% OFF
BUY OVER 10 PRODUCTS - 20% OFF