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About This Item
Full Description
SECTION ONE - GENERAL
In this section, recommendations and protective measures are set down which apply generally to each of the techniques coming under the concept type of protection ""p"".
Note: Rooms or buildings protected by pressurization as well as analyzer houses are not included herein as they are the subject of separate reports.
SECTION TWO - ELECTRICAL APPARATUS HAVING NO INTERNAL SOURCE OF FLAMMABLE GAS OR VAPOUR
This section covers the internal pressurization technique particular to electrical apparatus having no internal source of flammable gas or vapour.
SECTION THREE - ELECTRICAL APPARATUS HAVING AN INTERNAL SOURCE OF FLAMMABLE GAS OR VAPOUR
This section covers the pressurization and dilution techniques applicabl e to electrical apparatus having an internal source of flammable gas or vapour.
The recommendations of this section apply both to continuous dilution with air and to pressurization with an inert gas.
Notes: (1) In the event of a release, it is necessary to consider the possible effect on the atmosphere external to the apparatus. (2) The report does not cover the situation where the release of flammable gas contains some oxygen. /
1. Domaine d'application
SECTION UN - GENERALITES
Dans cette section sont precisees les recommandations et les mesures de securite applicables, de facon generale, a toutes les techniques relevant du mode de protection
.
Note. Les salles ou les batiments proteges par surpression interne ainsi que les batiments pour analyseurs ne sont pas concernes car ils font l'objet de rapports separes.
SECTION DEUX - MATERIEL ELECTRIQUE SANS SOURCE INTERNE DE GAZ OU DE VAPEURS INFLAMMABLES
Cette section concerne la technique de surpression interne particul iere aux materiels electriques n'ayant pas de source interne de gaz ou de vapeurs inflammables.
SECTION TROIS - MATERIEL ELECTRIQUE AVEC SOURCE INTERNE DE GAZ OU DE VAPEURS INFLAMMABLES
Cette section concerne les techniques de surpression interne et de dilution applicables aux materiels electriques ayant une source interne de gaz ou de vapeurs inflammables.
Les recommandations de cette section s'appliquent a la fois a la dilution continue avec de l'air et a la surpression interne avec un gaz inerte.
Notes. (1) En cas de degagement, il convient de prendre en consideration l'incidence possible sur l'atmosphere exterieure au materiel. (2) Le rapport ne traite pas des cas ou le degagement de gaz inflammable contient une proportion d'oxygene.