scope:

This guide² is intended to assist in the selection of a leak testing method.³ Fig. 1 is supplied as a simplified guide.

The type of item to be tested or the test system and the method considered for either leak measurement or location are related in the order of increasing sensitivity.

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.

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.

² For ASME Boiler and Pressure Vessel Code applications, see related Recommended Guide SE-432 in the Code.

³ Additional information may be obtained from Marr, J. W., Leakage Testing Handbook, Report No. CR-952, NASA, Scientific and Technical Information Facility, P. O. Box 33, College Park, MD 20740 (Organizations registered with NASA) or Clearing House for Federal, Scientific and Technical Information, Code 410.14, Port Royal Road, Springfield, VA 22151.