ST. PETERSBURG, Fla. — Retired professional mechanical engineer Mike Higgins, 75, recently sent the city of St. Petersburg a letter with ideas on how to redesign backflow preventers to make them more ...
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, ...
ST. PETERSBURG, Fla. — The City of St. Petersburg has installed four new backflow preventers in Shore Acres a couple of months ahead of schedule. This will help to prevent sunny day flooding in the ...
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