Treatment of noise created by high pressure multi-plunger hydraulic pumps is accomplished by the application of a liquid filled, low pass design, acoustic filter. Built to be part of the piping system, the unit requires no charging and no maintenance.

The multi-chambered acoustic filter is designed to filter or attenuate the predominate frequency and significant harmonics of the pump. Using computer simulation response curves Flo-Dyne engineers can check Acoustic Filter Silencer performance for each application.

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