DWA Industry Guide Watermanagement, Wastewater-Waste

Aeration and ventilation valves (3 companies)

Backflow stoppers, backflow flaps (8 companies)

Gate valves shutting flaps (10 companies)

Heat exchangers (1 companies)

odour filters (1 companies)

Regulating valves (4 companies)

Shut-off valves (8 companies)

Test seals (1 companies)

Throttles (7 companies)

Valves (3 companies)