T/CAS 502-2021 Performance evaluation method for household and similar air circulation fans
T/CAS 502-2021 Performance evaluation method for household and similar air circulation fans
Basic Information
Scope
Scope: This document specifies the basic requirements, performance requirements, test methods, and evaluations for air circulation fans for household and similar use (hereinafter referred to as circulation fans). This document applies to single-phase rated voltages not exceeding 250 V, with a duct length greater than 55 mm and a blade tilt angle greater than 24°. This document does not apply to circulation fans used under other special conditions. Note: For example, in areas where corrosive gases or explosive gases (dust, steam, or gas) exist, or when using circulation fans in tropical climates; Main technical content: This document specifies the basic requirements, performance requirements, test methods, and evaluations for air circulation fans for household and similar use (hereinafter referred to as circulation fans).