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Abrasi-Blast™ Supplied-Air Respirator Product Description The Abrasi-Blast Respirator provides respiratory and upper body protection for workers in shipbuilding, the construction industry, utilities and other applications where blasting with abrasives is performed.A complete Abrasi-Blast Respirator is made up of a hood, facepiece with lens housing, breathing tube, cover lens cartridge assembly, flow-control device, approved air-supply hose, and support belt. During blasting operations, the lens of the Abrasi-Blast Respirator is protected by 2 to 4 flat glass cover lenses mounted in a special foam material. Each cover lens is removed by integral pull tabs when it becomes so abraded that vision is reduced. There is no need to stop to change lenses, as is necessary with most conventional blasting hoods. Approved by NIOSH.Complete assemblies include: one lens cartridge consisting of four 0.06-inch untempered glass cover lenses, flow-control device, Snap-Tite aluminum quick-disconnect fitting, adjustable valve-connector body, or pressure-demand regulator (with socket assembly), facepiece (medium) with dual-exhalation valves and lens housing, breathing tube, web-belt, and air-hose connector. Principles of OperationConsisting of a hood, facepiece with lens housing, breathing tube, lens cartridge, flow-control device, air-supply hose and support belt, the Abrasi-Blast Respirator can be designed for diverse applications by varying individual components.Approvals and Standards The Abrasi-Blast Respirator has the following NIOSH approvals:o Approval TC-19C-161 for Abrasi-Blast Respirator when used with 8 to 50 ft. of MSA Air-Supply Hose at an inlet pressure of 10 to 15 psig. Approval TC-19C-162 for Abrasi-Blast Respirator when used with 8 to 300 ft. of MSA Air-Supply Hose at an inlet pressure of 35 to 40 psig. Approval TC-19C-178 (cool only) for Abrasi-Blast Respirator with Vortex tubes.Approval TC-19C-236 for Abrasi-Blast Pressure-Demand Respirator Hazards Applications Toxic Atmosphere Non-IDLH ConstructionElectric UtilityNuclearPaper and PulpSand BlastingShipbuilding
