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Aalberts Integrated Piping Systems' 4ALF-204-A2F, 4ALF204A2F 34" LF Reduced Pressure Backflow Preventer RPLF4A is designed for potable water distribution systems. This backflow preventer features a modular captured spring relief valve, check valve cartridge, top mounted test cock, internal sensing passage, bronze cap, nitrile and nylon diaphragm, glass filled PPO check module, standard ball valve and stainless steel handle. It is compliant with NSFANSI 61372, ASSE 1013-2011, AWWA C511, and CSA B64.4 standards.
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