Respiratory protective devices. Threads for facepieces - Standard thread connection Ingestion-build-73935 the tempers have been separated
$116.00
Description
the tempers have been separated in rows
and modification of Ex equipment designed for use in explosive atmospheres
Factors for the conversion of common units
Higher levels of discretionary effort
Respiratory protective devices. Threads for facepieces - Standard thread connection Ingestion-build-73935 the tempers have been separatedWhat is this standard about? This document specifies standard threads for respiratory protective devices and the description of test devices necessary for the assessment of some of the requirements. This document does not apply to diving equipment and to positive pressure demand breathing apparatus.
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