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BS 4558

1970 Edition, March 17, 1970

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Specification for Positive Pressure, Powered Dust Respirators

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W/D S/S BY EN 136, EN 143 & EN 147
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Product Details:

  • Revision: 1970 Edition, March 17, 1970
  • Published Date: January 1970
  • Status: Not Active, See comments below
  • Document Language: English
  • Published By: British Standards Institution (BSI)
  • Page Count: 13
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

Specifies requirements for respirators comprising a mask supplied with filtered air from a power pack, to provide protection whilst reducing the respiratory load.