T/ZZB 1797-2020
Explosion-proof axial flow roof ventilator (English Version)
- Standard No.
- T/ZZB 1797-2020
- Language
- Chinese, Available in English version
- Release Date
- 2020
- Published By
- Group Standards of the People's Republic of China
- Latest
- T/ZZB 1797-2020
- Scope
- This document specifies the terms and definitions, basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage, and quality commitment of explosion-proof axial flow roof ventilators (hereinafter referred to as "ventilators"). This document applies to general-purpose explosion-proof axial flow roof ventilators in industrial and civil buildings. The temperature of the conveying medium shall not exceed 60 ℃, the dust content and other solid impurities shall not exceed 100 mg/m3, and the diameter of the impurities shall not exceed 1 mm. This document does not apply to explosion-proof axial flow roof ventilators for coal mine gas environments.
T/ZZB 1797-2020 history
- 2020 T/ZZB 1797-2020 Explosion-proof axial flow roof ventilator
