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JB/T 7221-2017 PDF English

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JB/T 7221-2017: Centrifugal fan for heating ventilation and air conditioner
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JB/T 7221: Historical versions

Std IDVersionUSDBuyDeliver [PDF] inTitle (Description)
JB/T 7221-2017English229 Add to Cart 3 days [Need to translate] Centrifugal fan for heating ventilation and air conditioner
JB/T 7221-1994English239 Add to Cart 3 days [Need to translate] Double-inlet centrifugal fan for unitary air-conditioning unit

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Basic data

Standard ID JB/T 7221-2017 (JB/T7221-2017)
Description (Translated English) Centrifugal fan for heating ventilation and air conditioner
Sector / Industry Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard J73
Word Count Estimation 10,128
Date of Issue 2017-11-07
Date of Implementation 2018-04-01
Older Standard (superseded by this standard) JB/T 7221-1994
Regulation (derived from) Ministry of Industry and Information Technology Bulletin 2017 No. 48
Issuing agency(ies) Ministry of Industry and Information Technology
Summary This standard specifies the terms and definitions, type and basic size parameters, requirements, test methods, inspection rules and signs, packaging and storage of centrifugal fans for HVAC. This standard does not apply to forward multi-wing centrifugal fans.

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