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BSI BS EN ISO 20361:2019+A11:2020

Liquid pumps and pump units. Noise test code. Grades 2 and 3 of accuracy
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BSI BS EN ISO 20361:2019+A11:2020

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

PUBLISH DATE 2020
PAGES 36
BSI BS EN ISO 20361:2019+A11:2020

This document 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 document 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 document are engineering methods (grade 2) and survey methods (grade 3).

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

NOTE This document is specified in EN 809+A1 for noise measurements of the pump (or pump unit).

SDO BSI: British Standards Institution
Document Number ISO 20361
Publication Date April 17, 2020
Language en - English
Page Count
Revision Level 11
Supercedes
Committee MCE/6
Publish Date Document Id Type View
Sept. 19, 2019 BS EN ISO 20361:2019 Revision
June 30, 2015 BS EN ISO 20361:2015 Revision
June 30, 2009 BS EN ISO 20361:2009 Revision
April 17, 2020 BS EN ISO 20361:2019+A11:2020 Consolidated
April 30, 2017 BS EN ISO 20361:2015 Consolidated
Aug. 31, 2010 BS EN ISO 20361:2009 Consolidated