GB - Chinese national standards

Explosive atmospheres—Part 23Group Icategory EPL Ma equipment intended to remain functional in atmospheres endangered by firedamp and/or coal dust

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Explosive atmospheres—Part 24: Equipment protection by special protection “s”

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Explosive atmospheres—Part 25Requirements for process sealing between flammable process fluids and electrical systems

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Explosive atmospheres—Part 26Electrostatic hazards—Guidance

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Explosive atmospheres—Part 27Electrostatic hazards—Test

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Explosive atmospheres—Part 28Non-electrical equipment for explosive atmospheres—Basic method and requirements

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Explosive atmospheres—Part 29Non-electrical equipment for explosive atmospheres—Constructional safety “c”, control of ignition source “b”, liquid immersion “k”

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Explosive atmospheres—Part 3Equipment protection by increased safety“e”

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Explosive atmospheres—Part 30: Equipment and components in explosive atmospheres in underground mines

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Explosive atmospheres—Part 31: Equipment dust ignition protection by enclosure “t”

Available languages: English, Chinese

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