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Normas BSI – AENOR
BS EN ISO 20361:2015

BS EN ISO 20361:2015

Liquid pumps and pump units. Noise test code. Grades 2 and 3 of accuracy

Fecha Anulación:
2019-09-19 /Withdrawn
Equivalencias internacionales:

EN ISO 20361:2015

ISO 20361:2015

Relación con otras normas BSI:

Reemplazada por: BS EN ISO 20361:2019+A11:2020

Reemplaza a: BS EN ISO 20361:2009


This International Standard specifies all the information necessary to carry out efficiently and under standardized conditions the determination, declaration, and verification of the airborne noise emission of liquid pumps or pump units (see 4.1). It specifies the noise measurement methods and the operating and mounting conditions that shall be used for the test.

Noise emission characteristics include emission sound pressure levels at specified positions and the sound power level. The determination of these quantities is necessary for

  • declaring the noise emission values, and

  • purpose of noise control at source at the design stage.

The determination of these quantities is also necessary for comparing the noise emitted by liquid pumps on the market.

The use of this International Standard ensures the reproducibility of the determination of the airborne noise-emission characteristics within specified limits determined by the grade of accuracy of the basic airborne noise measurement method used. Noise measurement methods according to this International Standard are engineering methods (grade 2) and survey methods (grade 3).

This International Standard does not deal with the characterization of the structure-borne sound and liquid-borne noise generated by liquid pumps.


This International Standard is intended to complement EN 809 .

Declarations, Measurement, Microphones, Mounting instructions, Noise control (acoustic), Verification, Grading (quality), Rated power, Design, Pumps, Acoustic testing, Acoustic measurement, Operating conditions, Surfaces, Noise (environmental), Fluid equipment, Airborne noise, Sound intensity, Testing conditions, Position
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