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ASTM International - ASTM E1265-04(2021)

Standard Test Method for Measuring Insertion Loss of Pneumatic Exhaust Silencers

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Organization: ASTM International
Publication Date: 1 January 2021
Status: active
Page Count: 6
ICS Code (Acoustic measurements and noise abatement in general): 17.140.01
significance And Use:

5.1 This test method permits the evaluation of both the acoustical and mechanical performance of pneumatic exhaust silencers designed for quieting compressed gas exhausts (usually air). The data... View More

scope:

1.1 This test method covers the laboratory measurement of both the acoustical and mechanical performance of pneumatic exhaust silencers designed for quieting compressed gas (usually air) exhausts from orifices connected to pipe sizes up to 3/4 in. NPT. This test method is not applicable for exhausts performing useful work, such as part conveying, ejection, or cleaning. This test method evaluates acoustical performance using A-weighted sound level measurements.

1.2 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.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. Specific precautionary statements are given in Section 8.

1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Document History

ASTM E1265-04(2021)
January 1, 2021
Standard Test Method for Measuring Insertion Loss of Pneumatic Exhaust Silencers
1.1 This test method covers the laboratory measurement of both the acoustical and mechanical performance of pneumatic exhaust silencers designed for quieting compressed gas (usually air) exhausts...
February 1, 2013
Standard Test Method for Measuring Insertion Loss of Pneumatic Exhaust Silencers
1.1 This test method covers the laboratory measurement of both the acoustical and mechanical performance of pneumatic exhaust silencers designed for quieting compressed gas (usually air) exhausts...
August 1, 2004
Standard Test Method for Measuring Insertion Loss of Pneumatic Exhaust Silencers
1.1 This test method covers the laboratory measurement of both the acoustical and mechanical performance of pneumatic exhaust silencers designed for quieting compressed gas (usually air) exhausts...
January 1, 1995
Standard Test Method for Measuring Insertion Loss of Pneumatic Exhaust Silencers (Withdrawn 2004)
1.1 This test method covers the laboratory measurement of both the acoustical and mechanical performance of pneumatic exhaust silencers designed for quieting compressed gas (usually air) exhausts...
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