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Exhalation valve leakage test.
NIOSH 1976 Feb; :1-24
A certification test procedure is described for measuring exhalation valve leakage on respirators. The equipment and method are described by which dry exhalation valves and valve seats are subjected to a suction of 25 millimeters of water. Leakage is measured with a bubble meter and must not exceed 30 milliliters per minute.
NIOSH-Author; Morgantown-Technical-Report; Testing; Testing-equipment; Measurement; Respiratory-protective-equipment; Facepieces; Leakage-prevention; Safety-equipment; Personal-protective-equipment
NTIS Accession No.
Testing and Certification Branch, Appalachian Laboratory for Occupational Safety and Health, NIOSH, Morgantown, West Virginia, Report No. TC-R-005, 24 pages, 2 references
Page last reviewed: April 12, 2019
Content source: National Institute for Occupational Safety and Health Education and Information Division