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NFPA T2.7.2

1995 Edition, January 1, 1995

Complete Document

Hydraulic Fluid Power - Pumps - Determination of Fluid Pressure Fluctuation Characteristics

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Superseded By: ISO 10767-2

Additional Comments:
W/D S/S BY ISO 10767-2
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Description / Abstract:

This standard establishes a test procedure for determining the fluid pressure fluctuation characteristics of hydraulic fluid power pumps. This procedure covers a frequency and pressure range that has been found to excite many circuits to emit airborne noise that most concerns designers of hydraulic fluid power systems.

This standard promotes quieter fluid power systems by establishing a uniform procedure for measuring and reporting the fluid pressure ripple characteristics of hydraulic fluid power pumps.

Annex B contains a tutorial explanation of the technical basis for this test procedure.