GB17269-2003
Safety regulation for the prevention and protection of dust explosion in manufacturing powder of aluminum and/or magnesium
铝镁粉加工粉尘防爆安全规程
GB 17269-2003 is a current mandatory Chinese national standard for Safety regulation for the prevention and protection of dust explosion in manufacturing powder of aluminum and/or magnesium. It appears in the Food compliance cluster with a product safety focus and has an implementation date of Nov 1, 2003.
Applicability depends on product scope, certification route, competent authority notices and transition rules. Requst for the translation or verify source before using this record in a compliance decision.
Compliance overview
Scope and applicability
This standard specifies the safety technical requirements for the prevention and protection of dust explosions during the production, storage, and transportation of aluminum and/or magnesium powder. It is applicable to the design, construction, production, maintenance, and management of aluminum and magnesium powder processing plants (workshops). Engineers involved in facilities manufacturing or handling these specific metal powders must comply with this standard. It references related standards such as GB 50057 and GBJ 16.
Technical requirements
The standard outlines comprehensive safety protocols, with most provisions being mandatory. It covers plant layout and building structures, requiring specific fire resistance ratings, anti-static flooring, and outward-opening doors/windows. For equipment and operations, it mandates strict controls over static electricity, friction sparks, and open flame operations. Facilities must implement rigorous protective measures, including inert gas protection for ball milling processes. The standard also details requirements for pneumatic conveying systems, specifying concentration limits and pipeline pressure ratings. Additionally, it sets forth guidelines for ventilation and dust removal, emphasizing the use of explosion-proof fans and continuous temperature monitoring. Finally, it prohibits the use of water, foam, or carbon dioxide for fire suppression in these environments.
Testing methods
While primarily a safety regulation rather than a testing methodology standard, GB 17269-2003 requires regular calibration of gas, temperature, and pressure detection instruments. It also mandates continuous monitoring of oxygen concentration in inert gas systems and the setting of over-temperature alarms in dry dust collectors, ensuring temperatures remain below the minimum ignition temperature of the dust cloud or layer.
FAQs
What products are regulated under GB 17269-2003?
It regulates the manufacturing, storage, and transportation of aluminum, magnesium, and aluminum-magnesium alloy powders.
Is GB 17269-2003 a mandatory standard?
Yes, with the exception of clauses 5.2.2, 5.2.6, and 8.3.3 which are recommended, all other provisions in this standard are mandatory.
What are the key updates in GB 17269-2003 compared to the 1998 version?
The 2003 version adjusted the chapter structure, added new clauses based on domestic production practices (e.g., clause 7.3.7), and removed certain clauses referencing NFPA 480 and NFPA 651.
The summary above provides a high-level overview of GB 17269-2003. To ensure complete compliance for your products entering the Chinese market, a precise and professional translation of the full technical specifications is essential. Purchase our high-quality English translation of GB 17269-2003 today to access all detailed parameters, tables, and testing procedures.
Applicability hints
- Type
- Safety
- CCS
- C67
- ICS
- 13.100
- Competent department
- Ministry of Emergency Management
- Technical committee
- National Technical Committee on Work Safety of Standardization Administration of China
Relationships
Replaces:GB 17269-1998