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GB 19761-2009

Chinese Standard: 'GB 19761-2009'
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BASIC DATA
Standard ID GB 19761-2009 (GB19761-2009)
Description (Translated English) Minimum allowable values of energy efficiency and energy efficiency grades for fan
Sector / Industry National Standard
Classification of Chinese Standard F01
Classification of International Standard 23.120
Word Count Estimation 8,854
Date of Issue 2009-10-30
Date of Implementation 2010-09-01
Older Standard (superseded by this standard) GB 19761-2005
Quoted Standard GB/T 1236; GB/T 10178; JB/T 2977; JB/T 4357; JB/T 4358; JB/T 4362; JB/T 10562; JB/T 10563
Drafting Organization Institute of Shenyang Blower
Administrative Organization National Energy Foundation and Management Standardization Technical Committee Sub-Committee on rational use of electricity
Regulation (derived from) Announcement of Newly Approved National Standards No. 12 of 2009 (No. 152 overall)
Proposing organization National Development and Reform Commission Resource Conservation and Environmental Protection
Issuing agency(ies) Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China; Standardization Administration of China
Summary This Chinese standard specifies the fan energy efficiency rating, energy efficiency limit values ??and test methods for evaluating values ??of energy conservation. This standard applies to general purpose centrifugal and axial fans, industrial steam boiler centrifugal induced draft fan, boiler centrifugal blower and induced draft fan, power axial fan, air conditioning centrifugal fan. This standard does not apply to jet fan, cross flow fan, roof fan and other special structures and special purpose fans.

GB 19761-2009
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 23.120
F 01
Replacing GB 19761-2005
Minimum allowable values of energy efficiency
and energy efficiency grades for fan
通风机能效限定值及能效等级
ISSUED ON. OCTOBER 30, 2009
IMPLEMENTED ON. SEPTEMBER 1, 2010
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine of the People's Republic of China;
Standardization Administration of the People's Republic of
China.
Table of Contents
Foreword . 3 
1 Scope .. 4 
2 Normative References . 4 
3 Terms and definitions . 5 
4 Technical requirements . 5 
5 Test methods . 10 
Minimum allowable values of energy efficiency
and energy efficiency grades for fan
1 Scope
This Standard specifies the energy efficiency grades, minimum allowable values of
energy efficiency, evaluating values of energy conservation and test methods for fan.
This Standard applies to general-purpose centrifugal fan and axial flow fan; centrifugal
induced-draft fan for industrial steam boilers; centrifugal pressure fan and induced-
draft fan for power station boiler; axial flow fan for power station; and centrifugal fan
for air-conditioning.
This Standard does not apply to jet fan, cross-flow fan, roof fan and other fans of
special structure and special purpose.
2 Normative References
The provisions in following documents become the provisions of this Standard through
reference in this Standard. For dated references, the subsequent amendments (excluding
corrigendum) or revisions do not apply to this Standard, however, parties who reach an
agreement based on this Standard are encouraged to study if the latest versions of these
documents are applicable. For undated references, the latest edition of the referenced
document applies.
GB/T 1236, Industrial fan – Performance testing using standardized airways
GB/T 10178, Industrial fans – Performance testing in situ
JB/T 2977, Technical terms for industry fans, turbo-blowers and compressors
JB/T 4357, Centrifugal ID-fan for industry boiler
JB/T 4358, Centrifugal fan for boiler of power station
JB/T 4362, Power station axial fans
JB/T 10562, Technical specification for general purposes axial fans
JB/T 10563, Technical specification for general purposes centrifugal fans
3 Terms and definitions
For the purposes of this Standard, the following terms and definitions and those
defined in GB/T 1236 and JB/T 2977 apply.
3.1
minimum allowable values of energy efficiency for fan
Minimum guarantee values of energy efficiency for fan under standard test conditions.
3.2 evaluating values of energy conservation for fan
Minimum guarantee values of energy efficiency for energy-saving fan under standard
test conditions.
3.3
unit
An installation comprising AC motor and fan.
3.4
service range
The range of operation within which the efficiency of air-conditioning centrifugal fan
unit of outer-rotor motor is greater than or equal to 90% of the maximum efficiency of
the unit, when the efficiency of the fan is greater than or equal to 90% of the maximum
efficiency of it; and the catalogue of fan shall give the service rang......
Related standard: GB 19761-2020    GB 19762-2007
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