Thieves are stealing the brass backflow valves from business properties to sell as scrap for $25 or $30. The repair could cost that business more than $2,000 in parts and labor. BAKERSFIELD, Calif.
Elasto-Valve Rubber Products (EVR), a manufacturer of rubber duckbill check valves, is drawing attention to the expanding role of duckbill valve technology in backflow prevention across wastewater, ...