GB/T 39959-2021
ActiveLiquid pumps and pump units—Noise test code—Grades 2 and 3 of accuracy
液体泵和泵机组 噪声试验方法 2级和3级
Application Summary AI generated
This standard specifies noise measurement methods for liquid pumps and pump units, providing procedures for achieving Grade 2 (engineering) and Grade 3 (survey) accuracy levels. It is applied in manufacturing and testing environments to evaluate and compare the acoustic performance of pumps used in industrial fluid systems, such as water supply, HVAC, and chemical processing. The standard ensures consistent noise testing protocols for quality control, product certification, and compliance with environmental noise regulations.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.