T/ZZB 1171-2019 Active Group standards

T/ZZB 1171-2019 Air-purifying DC brushless external rotor centrifugal fan

Publish Date: 2019-09-19 Implement Date: 2019-10-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/ZZB 1171-2019

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Compressors and fans

ICS Name: Ventilators, fans, and air conditioners

Publish Date: 2019-09-19

Implement Date: 2019-10-01

Scope

Main technical content: This standard specifies the terms and definitions, types and parameters, basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage, and quality commitments for DC brushless external rotor backward centrifugal fans used in air purification. This standard applies to DC brushless external rotor backward centrifugal fans (hereinafter referred to as fans) with an input power not exceeding 1500 W and an impeller diameter not exceeding 500 mm. The transport medium is air or a mixture of air and other non-corrosive gases with a maximum total fan pressure not exceeding 3 kPa. The temperature of the medium inlet should not exceed 60 °C, and the content of dust and other solid impurities should not exceed 100 mg/m3. There should be no viscous substances or other materials in the medium.