Respiratory protective devices. Valved filtering half masks to protect against gases or gases and particles. Requirements, testing, marking1 Scope This European Standard specifies the performance requirements, test methods and marking requirements for valved filtering half masks incorporating either gas or combined filters as respiratory protective devices except for escape purposes. It does not cover gas filtering half masks which do not have valves or are fitted only with exhalation valves. It does not cover devices designed for use in circumstances where there is or might be an oxygen

Note: BS EN 12808-1 does not contain performance requirements or recommendations for the design and installation of ceramic tiles and grouts

Why should you use BS EN 61518 - Mating dimensions between differential pressure

it is of utmost importance to make the correct decisions quickly to save lives of the traffic victims

In case of outdoor installations

use and maintenance of apparatus for the detection of combustible gas designed for continuous operation in a fixed installation in domestic premises as described in the EN 50194 series

BS EN IEC 60895 provides guidance on other components parts other than the clothing which are: conductive footwear

BS EN 2823 applies to all laminates

Because a false-positive result can occur

Benefits include:

The result is only valid within the range of the measurements obtained

location where the test was given

It is assumed that each organization respects the intellectual property rights of others