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Principles of Operation
Consisting 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 & Standards
The Abrasi-Blast Respirator has the following NIOSH/MSHA approvals: " 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. " Duo Flow Abrasi Blast - see
NIOSH Approved Matrix, PN 818148
Paper & Pulp
Toxic Atmosphere Non-IDLH
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 two to four 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, eliminating the need to stop and change lenses, as is
necessary with most conventional blasting hoods. 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.