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CSA C22.2 NO. 60079-40:20 (R2024)

Explosive atmospheres — Part 40: Requirements for process sealing between flammable process fluids and electrical systems (Adopted IEC TS 60079-40:2015, first edition, 2015-02, with Canadian deviations)
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CSA C22.2 NO. 60079-40:20 (R2024)

Explosive atmospheres — Part 40: Requirements for process sealing between flammable process fluids and electrical systems (Adopted IEC TS 60079-40:2015, first edition, 2015-02, with Canadian deviations)

PUBLISH DATE 2020
PAGES 35
CSA C22.2 NO. 60079-40:20 (R2024)
Explosive atmospheres — Part 40: Requirements for process sealing between flammable process fluids and electrical systems (Adopted IEC TS 60079-40:2015, first edition, 2015-02, with Canadian deviations)
Scope

This document provides specific requirements for process sealing between a flammable process fluid and an electrical system where a failure could allow the migration of the process fluid directly into the premises wiring system. NOTE Some definitions differentiate the terms "flammable" and "combustible" liquids on the basis of their flashpoints. Combustible liquids under conditions of elevated pressure and/or emperature can lead to the formation of flammable mists and aerosols which are within the scope of this technical specification. This document contains requirements for evaluation, construction and testing of single process seal equipment, dual process seal equipment, and add-on secondary process seals. The requirements of this document do not apply to conduit sealing devices, cable glands and other wiring sealing methods addressed in the IEC 60079 series or other standards. Requirements for basic electrical safety and explosion protection are not addressed by this document, but may apply to the equipment under investigation. The effects of leakage to the environment are not addressed by this document.

SDO CSA: Canadian Standards Association
Document Number
Publication Date Jan. 1, 2020
Language en - English
Page Count
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Jan. 1, 2020 CSA C22.2 NO. 60079-40:20 (R2024) Revision
Jan. 1, 2020 CSA C22.2 NO. 60079-40:20 (R2024) Revision