ISO 4412-1:1991 Preview
Hydraulic fluid power -- Test code for determination of airborne noise levels -- Part 1: Pumps
This standard was last reviewed and confirmed in 2017. Therefore this version remains current.
Establishes a test code describing procedures based on ISO 2204. Applies to all types of fluid power pumps. Guidelines for application are given in annex C. This second edition cancels and replaces the first edition (1979). Annexes C and D are for information only.
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