Explosion venting devices1 Scope This European Standard specifies the requirements for venting devices used to protect enclosures against the major effects of internal explosions arising from the rapid burning of suspended dust, vapour or gas contained within. It includes the requirements for the design, inspection, testing, marking, documentation and packaging. This European Standard specifies explosion venting devices which are put on the market as autonomous protective

1 is devoted to the measurement methods of gas flow

including resumability

Annex E (informative) Laying patterns

34 Circuit breakers

with mobile locking ring

It also provides a framework for aligning requirements with complementary standards and practices employed within the sector

clean zone or associated controlled environment

annotated with metadata

The two methods are:

to a representative measure of accuracy

and environmental issues relating to non-local references and state

including positioning