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Details :
Principles of Operation :
Constant Flow Air-Line Respirators
are designed to maintain a slight positive pressure of air
inside the facepiece whether the wearer is inhaling or exhaling.
This helps prevent contaminants from seeping in around the
facepiece, even if there should be small breaks in the face-to-facepiece
seal.
Approvals & Standards :
The MSA Constant Flow Air-line
Respirators have received National Institute for Occupational
Safety and Health (NIOSH) certification for use in atmospheres
not immediately dangerous to life and health. The approval
requires use of the proper length of air-supply hose and the
proper air source. Units having an inlet pressure range of 10-15
psig are covered by Approval TC-19C-113 when used with 8-50 feet
of MSA Air-Supply Hose; units having an inlet pressure range of
35-40 psig are covered by Approval TC-19C-78 when used with
8-300 feet of MSA Air-Supply Hose. The respirator requires a
source of compressed air conforming to at least Grade D
Compressed Gas Association, Inc., Commodity Specification for
Air, G-7.1. When connected to an appropriate air supply, the
respirator delivers a continous supply of breathable air and
simultaneously provides a cooling effect.
NOTE: Not immediately dangerous to life or health is defined in
42 CFR Part 84 as any hazardous atmosphere which may produce
physical discomfort immediately, chronic poisoning after
repeated exposure, or acute adverse physiological symptoms after
prolonged exposure.
Applications :
Chemical
Construction
Electric Utility
Hazardous Materials
Sanding & Grinding
Spray Painting
Welding
Hazards :
Toxic Atmosphere Non-IDLH
Product Information :
The complete respirator assembly is
available with either an Ultravue or Ultra Elite full-facepiece,
Comfo half-mask facepiece or Comfo welder's facepiece, breathing
tube, web support belt and air flow control valve with
quick-disconnect assembly. The constant flow respirator is used
in non-IDLH environments.
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