JB/T 8523-1997
Explosion-proof ventilator specification (English Version)
- Standard No.
- JB/T 8523-1997
- Language
- Chinese, Available in English version
- Release Date
- 1997
- Published By
- Professional Standard - Machinery
- Status
- Latest
- JB/T 8523-1997
- Scope
- JB/T 8523-1997 This standard was compiled by revising ZB J72 034-90 "Technical Conditions for Explosion-proof Ventilators". This standard specifies the technical requirements, test methods, inspection rules, warranty period, marking, packaging and transportation of general-purpose explosion-proof ventilators. This standard applies to ventilation fans that transport gases below the minimum flash point concentration or flammable and explosive gas mixtures formed with air in explosive environments. Its maximum temperature does not exceed 80°C, the dust content and other solid impurities do not exceed 100mg/m3, and the diameter does not exceed 1mm. This standard does not apply to explosion-proof fans for special purposes, such as marine explosion-proof fans, coal mine explosion-proof fans, etc. ?
JB/T 8523-1997 history
- 1997 JB/T 8523-1997 Explosion-proof ventilator specification
