(For USM Staff/Student Only)

EngLib USM > @i* Standard > British Standard >

BS 4667-4:1989 Breathing apparatus - Specification for open-circuit escape breathing apparatus

Instructions for use; Specimen preparation; Leak tests; Fire tests; Flexible pipes; Low-temperature testing; Performance testing; Design; Performance; Compressed air; Pressure gauges.
BS 4667‑4:1989 defines the design, construction and performance requirements for two types of open‑circuit, compressed‑air escape breathing apparatus intended for emergency escape purposes at ambient pressure. TYPE 1is for use under hard work condition such as walking up flight of stairs and running. TYPE 2 is for use under less arduous conditions such as walking on the level, walking down flights of stairs and climbing a few stairs.
Contributor(s):
NAAR - Data Entry Person
Primary Item Type:
British Standard
Identifiers:
ICS 13.340.30 Respiratory protective devices
ISBN 0580178595
Language:
English
First presented to the public:
6/8/2025
Original Publication Date:
31/12/1989
Previously Published By:
British Standards Institution
Place Of Publication:
London, United Kingdom
Citation:
Extents:
Number of Pages - 16
License Grantor / Date Granted:
  / ( View License )
Date Deposited
2022-07-20 12:38:41.878
Submitter:
Nurul Aini Abdul Rahman

All Versions

Thumbnail Name Version Created Date
BS 4667-4:1989 Breathing apparatus - Specification for open-circuit escape breathing apparatus1 2022-07-20 12:38:41.878
Engineering Library USM @ 2017