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Description of ASTM-F431 2013ASTM F431 - 04(2013)Standard Specification for Air Performance Measurement Plenum Chamber for Vacuum CleanersActive Standard ASTM F431 | Developed by Subcommittee: F11.22 Book of Standards Volume: 15.08 ASTM F431Abstract This specification covers the acceptable design details for the plenum chamber used in specified air performance measurement tests for vacuum cleaners. Plenum chambers conforming to this specification shall be fabricated in accordance with the dimensions, tolerances, and notes indicated for the following components: plenum chamber assembly; orifice plate; orifice plate holder and assembly; manometer connection; and acceptable machined edges for orifice plates. This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date. 1. Scope 1.1 This specification covers the acceptable details and tolerances for the plenum chamber used in specified air performance measurement tests for vacuum cleaners. 1.2 The plenum chamber is designed for vacuum measurements only. ( Warning The plenum chamber has been shown to accurately determine maximum air power values at various test points for vacuum cleaners. There is a possibility that the airflow values measured with orifices larger than 2 in. at high flow rates may be erroneous due to the proximity of the top and bottom surfaces to the orifice plate inlet. ) 1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
ASTM Standards F558 Test Method for Measuring Air Performance Characteristics of Vacuum Cleaners F820 Test Method for Measuring Air Performance Characteristics of Central Vacuum Cleaning Systems Keywords air performance; orifice plate; plenum chamber; vacuum cleaner; ICS Code ICS Number Code 97.080 (Cleaning appliances) DOI: 10.1520/F0431 ASTM International is a member of CrossRef. ASTM F431This book also exists in the following packages...Subscription InformationMADCAD.com ASTM Standards subscriptions are annual and access is unlimited concurrency based (number of people that can access the subscription at any given time) from single office location. For pricing on multiple office location ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
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