Acoustics - Laboratory tests on noise emission from appliances and equipment used in water supply installations - Part 3: Mounting and operating conditions for in-line valves and appliances (ISO 3822-3:2018)

This technical specification outlines the laboratory testing procedures for determining the sound pressure levels emitted by equipment and fixtures installed in water supply systems. Specifically, it addresses the installation requirements and operating conditions applicable to pipe valves and associated components within the plumbing infrastructure. The document provides a detailed framework for evaluating acoustic performance under controlled experimental settings, ensuring consistency in measurement methodologies across different facilities. It establishes specific guidelines for the setup, calibration, and execution of noise emission tests, focusing on the interaction between various valve types and the surrounding piping network. The scope covers the technical parameters necessary to replicate real-world operational scenarios in a standardized laboratory environment. By defining precise mounting configurations and flow conditions, the text enables manufacturers and testing bodies to generate comparable data regarding the noise characteristics of water distribution system components. This approach facilitates the assessment of product compliance with acoustic performance criteria without making subjective judgments on the overall necessity of the document or its impact on broader industry standards.