Pencegah Arus Balik
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Backflow preventer, TWS Valve
Waca liyaneBackflow preventer utamané digunakake kanggo sumber banyu saka unit kutha kanggo unit limbah umum strictly matesi meksa pipeline supaya aliran banyu mung siji-cara. Fungsine kanggo nyegah backflow saka medium pipeline utawa kondisi siphon bali bali, supaya polusi backflow.
