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supplied-air respirator

   Also found in: Acronyms 0.02 sec.
supplied-air respirator [sə′plīd ¦er ′res·pə‚rād·ər]
(engineering)
An atmospheric-supplying device which provides the wearer with respirable air from a source outside the contaminated area; only those with manual or motor-operated blowers are approved for immediately harmful or oxygen-deficient atmospheres.


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The spray-painter and his helper should have been using supplied-air respirators.
can be operated as either a powered or non-powered air purifying respirator, an open-circuit self-contained breathing apparatus or a supplied-air respirator.
Without any operating dust collection equipment, workers in the Concentrator area must be provided with Powered Air-Purifying Respirators (PAPRs), or supplied-air respirators in continuous flow mode, to protect them against inhalation exposures to silica dust, instead of the paper filtering facepieces currently in use.
 
 
 
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