T/JMTX 015-2022 The specification for maintenance and maintenance of safety accessories for liquid dangerous goods tank vehicles in road transportation

Scope

Scope: This standard specifies the requirements and specific content for the maintenance and repair of safety accessories on tank vehicles used for the road transport of liquid dangerous goods. This standard applies to safety accessories that meet the following conditions: a) Safety valves that comply with GB/T 12241-2005; b) Explosion-proof discs that comply with GB 567.1-2012; c) Breathing valves installed on tank vehicles used for the road transport of Category III flammable liquids (with a steam pressure of no more than 110 kPa (absolute pressure) at 50°C) as specified in GB 6944, excluding liquid desensitized explosives or vehicles transporting toxic or corrosive substances; d) Emergency relief devices, emergency shut-off devices, vacuum pressure relief valves, and electrostatic discharge devices that comply with GB 18564.1-2019. Main Technical Content: 4. Requirements for the Maintenance and Repair of Safety Accessories 4.1 Basic Requirements For safety accessories, regular inspections and maintenance shall be conducted within a certain time period: - Twice monthly in the first and fourth quarters (to prevent freezing); - Once monthly in the second and third quarters. At least an annual maintenance and repair shall be conducted, and relevant records shall be kept to ensure the normal operation of safety accessories. Personnel engaged in maintenance and repair on-site must undergo professional training in safety accessory maintenance and repair before conducting operations. The maintenance and repair content is detailed in Appendix A. 4.2 Maintenance and Repair Units A maintenance and repair unit refers to an organization engaged in the maintenance and repair of tank vehicles used for the road transport of liquid dangerous goods. This includes self-maintaining units and qualified maintenance and repair units. Self-maintaining units must meet the following conditions: a) Have full-time or part-time managers for road transport of liq

Development Information

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