Respiratory protective devices - Threads for facepieces - Part 1: Standard thread connection
STANDARD published on 1.6.2019
Designation standards: ČSN EN 148-1
Classification mark: 832281
Catalog number: 507330
Publication date standards: 1.6.2019
The number of pages: 24
Approximate weight : 72 g (0.16 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
This document specifies standard threads for respiratory protective devices and the description of test devices necessary for the assessment of some of the requirements. This document does not apply to diving equipment and to positive pressure demand breathing apparatus