DA/DAW - 3 Pages

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Catalogue excerpts

DA/DAW SERIES PILOT OPERATED UNLOADING VALVES DA/DAW series are pilot operated pressure unloading valves. This series are used to unload the oil pumps pressure in a hydraulic system with accumulator. The valve allows high-pressure pump to operate and low-pressure pump to unload pressure. No code=Without directional valve W= With directional valve No code=NBR seals for petroleum oils V=FPM seals for phosphate ester Z5L=Quadrate plug with light No code=Without manual override A=Normally closed; B=Normally open N=With manual override Series Number No code=Internally piloted, internally drained 80=2-8MPa; 160=8-16 MPa; 315=16-31.5 MPa Y=Internally piloted; externally drained

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Unloading pressure from P-A of a pump o Pressure difference from P-T of a pump Pressure setting 8MPa Flow (L/min) Flow (L/min) Flow (L/min) (Control range in hatching area) Technical data

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Installation dimensions

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