Backseating valves routinely to prevent packing leakage.

Bibliographic Details
Format:	Government Document eBook
Language:	English
Published:	Washington, D.C. : United States Nuclear Regulatory Commission, Office of Nuclear Regulation, 1987.
Series:	Information notice ; no. 87-40.
Subjects:	Nuclear power plants > Piping > Valves > Maintenance and repair. Gas leakage.
Online Access:	https://purl.fdlp.gov/GPO/gpo149371

Available Online