DWA Industry Guide Watermanagement, Wastewater-Waste

Aeration and ventilation valves (3 companies)

Backflow stoppers, backflow flaps (7 companies)

Gate valves shutting flaps (9 companies)

odour filters (1 companies)

Regulating valves (4 companies)

Shut-off valves (7 companies)

Test seals (1 companies)

Throttles (5 companies)

Valves (3 companies)