British Standards Institution

Source:: ISO
Committee:: MCE/18/-/5 - Control components
Categories:: Fluid power system components. Other
Number of comments:: 0

Scope

This document specifies two methods of measuring the level of acoustic pressure at the outlet of an exhaust silencer:

— the first method, called "steady-state mode”, is intended to evaluate the noise level under steady state flow, i.e. constant upstream pressure (steady-state test according to ISO 6358‑1); and

— the second method, called “discharge”, is intended to measure the noise level during the decrease of the pneumatic pressure (discharge test according to ISO 6358‑2).

This document is applicable to pneumatic exhaust silencers and devices designed to reduce the sound produced by discharges of compressed air, entering in the scope of application of ISO 6358‑1 and ISO 6358‑2.

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Please email further comments to: debbie.stead@bsigroup.com

Standard timeline

1. Proposal (Complete)

Proposal start date:

2. Draft (Complete)

Draft start date:

13/04/2022

3. Public Comments

Public Comments start date:

08/08/2022

Public Comments end date:

30/09/2022

Learn more about the standards development process

Standards Development

BS ISO 20145 Pneumatic fluid power — Test methods for measuring acoustic emission pressure levels of exhaust silencers

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