Shop by Damper Size
Shop dampers by size, from 63mm up to 1000mm. Each size page lists every damper we offer to suit that duct size, across multi-leaf volume control dampers, single blade dampers, blast gate dampers and non-return dampers. Starting from the duct size means you only ever compare dampers that will actually fit your system.
Alpha Air Ventilation Supplies is a Leicester-based supplier of commercial and industrial ventilation equipment. Stocked items ordered before 3pm are dispatched for next-working-day delivery, and UK delivery is free on orders over £400 ex VAT.
The full range, organised by damper type, is in the main dampers category.
Showing 1–16 of 73 results
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Blast Gate Damper – 63mm
£16.86 + VAT Add to basket -
Single Blade Damper – 80mm
£11.33 + VAT Add to basket -
Blast Gate Damper – 80mm
£17.30 + VAT Add to basket -
Single Blade Damper – 100mm
£11.43 + VAT Add to basket -
Multi Leaf Volume Control Damper – 100mm
£42.14 + VAT Add to basket -
Blast Gate Damper – 100mm
£20.74 + VAT Add to basket -
Non Return Damper – 100mm
£6.40 + VAT Add to basket -
FD-C Fire Damper – 100mm
£92.62 + VAT Add to basket -
Single Blade Damper – 125mm
£12.15 + VAT Add to basket -
Multi Leaf Volume Control Damper – 125mm
£45.76 + VAT Add to basket -
Blast Gate Damper – 125mm
£26.62 + VAT Add to basket -
Non Return Damper – 125mm
£7.22 + VAT Add to basket -
FD-C Fire Damper – 125mm
£97.26 + VAT Add to basket -
Single Blade Damper – 150mm
£12.98 + VAT Add to basket -
Multi Leaf Volume Control Damper – 150mm
£49.37 + VAT Add to basket -
Blast Gate Damper – 150mm
£32.21 + VAT Add to basket