T/COS 004-2019 Active Group standards

T/COS 004-2019 General technical requirements for explosion-proof containers

Publish Date: 2019-12-10 Implement Date: 2020-01-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/COS 004-2019

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Labor safety technology

ICS Name: Integration, terminology, standardization, and literature (vocabulary)

Publish Date: 2019-12-10

Implement Date: 2020-01-01

Scope

Scope: This standard specifies the terms and definitions, classification and naming, technical requirements, inspection rules, inspection methods, labeling, user manuals, and packaging for explosion-proof containers. This standard applies to cylindrical and spherical explosion-proof containers. Main technical content: 5.1 Appearance 5.1.1 The appearance of the product shall be smooth, without cracks, pits, or other defects; the inner and outer surfaces shall be properly anti-corrosion treated. 5.1.2 All components shall be intact and reliably assembled. 5.1.3 Welds shall be full, uniform, and continuous, and the basic form and dimensions of the welding bevel shall comply with the provisions of GB/T 985.1-2008. 5.2 Operational reliability All mechanical moving parts shall be flexible, reliable, and free from jamming or sticking. 5.3 Protective capability 5.3.1 The protective capability of non-shattering explosion-proof containers shall meet the following requirements: After detonating the corresponding mass of TNT explosives or other explosive devices at the designed location inside the explosion-proof container: a) The container as a whole shall be intact and not have penetrating cracks or holes; b) There shall be no fragments in the safe position; c) The overpressure of the shock wave in the safe position shall be less than or equal to 20kPa. 5.3.2 The protective capability of shattering explosion-proof containers shall meet the following requirements: After detonating the corresponding mass of TNT explosives or other explosive devices at the designed location inside the explosion-proof container: a) There shall be no fragments in the safe position; b) The overpressure of the shock wave in the safe position shall be less than or equal to 20kPa. 6. Inspection rules 6.1 Factory inspection Products shall undergo 100% factory inspection and be qualified by the quality inspection department of the manufacturer before being released for sale. 6.2 Type inspection 6