Spiral Ducting ReducersLong & Short Concentric Reducers made from galvanised 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.SKU: Alph13Delivery date: 2-3 days Size 1 *Please select100mm125mm150mm160mm180mm200mm224mm250mm280mm300mm315mm355mm400mm450mm500mm560mm600mm630mm710mm Size 2 *Please select80mm Size 2 *Please select100mm 80mm Size 2 *Please select125mm 100mm 80mm Size 2 *Please select150mm 125mm 100mm Size 2 *Please select160mm 150mm 125mm 100mm Size 2 *Please select180mm 160mm 150mm 125mm 100mm Size 2 *Please select200mm 180mm 160mm 150mm 125mm 100mm Size 2 *Please select224mm 200mm 180mm 160mm 150mm 125mm 100mm Size 2 *Please select250mm 224mm 200mm 180mm 160mm 150mm Size 2 *Please select280mm 250mm 224mm 200mm Size 2 *Please select300mm 280mm 250mm 224mm 200mm 180mm 160mm 150mm Size 2 *Please select315mm 300mm 280mm 250mm 224mm 200mm Size 2 *Please select355mm 315mm 300mm 280mm 250mm 224mm 200mm Size 2 *Please select400mm 355mm 315mm 300mm 280mm 250mm Size 2 *Please select450mm 400mm 355mm 315mm 300mm 280mm 250mm Size 2 *Please select500mm 450mm 400mm 355mm 315mm 300mm £0.00 ex VAT Buy 5+ Save 5% | Buy 10+ Save 10%5+ Units10+ Units——Qty: Add to cart Custom wishlist OKAdd to wishlistAdd to compare listEmail a friendSpiral Ducting ReducersOur Spiral Ducting Reducers are manufactured from high quality galvanised steel and designed to provide smooth airflow transitions between different duct sizes within commercial and industrial ventilation systems.Reducers are commonly used in HVAC systems, extraction systems, and general ventilation installations where duct sizes need to increase or decrease while maintaining efficient airflow performance. Their tapered design helps reduce turbulence and pressure loss throughout the ductwork system.Compatible ductwork products include Spiral ducting tube, Spiral Ducting Male Collar, Spiral Ducting Female Collar, Spiral Ducting Flanged Spigot, 45° Spiral Ducting Bends, 90° Spiral Ducting Bends, Volume Control Dampers, and Blast Gate Dampers.Manufactured for durability and long service life, these galvanised spiral ducting reducers are suitable for commercial ventilation systems, industrial extraction systems, dust extraction, and general air movement applications requiring reliable duct size transitions.Customers who bought this item also bought Polyurethane Flexible HoseFlexible and durable polyurethane anti-static ducting with a copper coated helix wire. Used for carrying abrasive material such as dust, metal fillings & saw dust. Works within temperatures -40c to +90c. Sold per metre. Maximum coil length - 10 metres.Data Sheet 1 Data Sheet 2£0.00 ex VATAdd to cart Add to compare list Custom wishlist OKAdd to wishlist Spiral Ducting Male CollarMale 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£0.00 ex VATAdd to cart Add to compare list Custom wishlist OKAdd to wishlist Spiral Ducting Tube 1.5mHigh quality spirally wound ducting made from durable galvanised steel, cut to standard 1.5 metre lengths. Ducts are manufactured to female sizing and designed to accept male fittings for easy installation.Available in diameters from 63mm to 710mmLarger sizes available on request by phone or email3 metre lengths available for in store pickupPlease note: some uncommon sizes may have extended lead times.Download Data Sheet£0.00 ex VATAdd to cart Add to compare list Custom wishlist OKAdd to wishlist 45° Spiral Ducting Bends45-degree bends to suit spiral tubing, made from galvanised 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.Data Sheets£0.00 ex VATAdd to cart Add to compare list Custom wishlist OKAdd to wishlist
Polyurethane Flexible HoseFlexible and durable polyurethane anti-static ducting with a copper coated helix wire. Used for carrying abrasive material such as dust, metal fillings & saw dust. Works within temperatures -40c to +90c. Sold per metre. Maximum coil length - 10 metres.Data Sheet 1 Data Sheet 2£0.00 ex VATAdd to cart Add to compare list Custom wishlist OKAdd to wishlist
Spiral Ducting Male CollarMale 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£0.00 ex VATAdd to cart Add to compare list Custom wishlist OKAdd to wishlist
Spiral Ducting Tube 1.5mHigh quality spirally wound ducting made from durable galvanised steel, cut to standard 1.5 metre lengths. Ducts are manufactured to female sizing and designed to accept male fittings for easy installation.Available in diameters from 63mm to 710mmLarger sizes available on request by phone or email3 metre lengths available for in store pickupPlease note: some uncommon sizes may have extended lead times.Download Data Sheet£0.00 ex VATAdd to cart Add to compare list Custom wishlist OKAdd to wishlist
45° Spiral Ducting Bends45-degree bends to suit spiral tubing, made from galvanised 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.Data Sheets£0.00 ex VATAdd to cart Add to compare list Custom wishlist OKAdd to wishlist