Ductile iron flap valves are traditional backflow prevention valves favoured by some water authorities. To view our full range of flap valves, please visit our flap valves product page.
£145.00 + VAT
£185.00 + VAT
£255.00 + VAT
£345.00 + VAT
£425.00 + VAT
£480.00 + VAT
£640.00 + VAT
£890.00 + VAT
£1,265.00 + VAT
£1,940.00 + VAT
Our offices will be closed from Lunchtime on 23rd December until 8am on 5th January 2026
Orders can still be placed online but we will not be able to process them until our return to the office on 5th January 2026
We hope you have a lovely Christmas and New Year – Althon Ltd
