New Pall Filter Assembly Is Bi-Directional— Literature Available

Pall Industrial Hydraulics Corporation has introduced the new Biflow filter assembly, a bi-directional filter in a single housing.

It provides continuous filtration with either direction of flow through the filter. This new filter has been designed for use in openloop hydraulic systems and in closed-loop, reversible hydrostatic transmissions to prevent the circulation of dirt.

The single compact housing contains four dual-operating, springloaded, coaxial poppet valves.

Whatever the direction of flow through the filter assembly, flow through the element is always outside-to-inside, providing full filtered flow at system pressure.

A single Biflow filter thus can replace two filter assemblies, each with reverse flow valve, or a single filter assembly with four external check valves. The Biflow filter accepts Pall's Deltadyne® differential pressure measuring device that signals when the element needs to be changed.

The Biflow filter is available with a flow capacity of 50 gpm, with one-inch nominal ports and SAE f o u r - b o l t , split-flange fittings.

For further information write to Gerald Palmer, Dept. MR, Pall Corporation, Glen Cove, N.Y.

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