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GB/T 19843-2022Industrial fans - Performance testing of jet fans (English PDF)

工业通风机射流风机性能试验

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Issued by

State Administration for Market Regulation, China National Standardization Administration

Level / Type

National · Recommended

Issue date

October 12, 2022

Implementation date

October 12, 2022

Scope

GB/T 19843-2022 is the English-translated version of 工业通风机射流风机性能试验.

GB/T 19843-2022 is the Chinese standard "Industrial fans - Performance testing of jet fans".

Its scope clause reads: This document describes the testing of all technical performance and characteristics of jet fans as defined in ISO 13349.This document does not cover applications for plumbing Fans designed or individually designed for air circulation, e.g. ceiling fans and table fans.

The test procedures described in this document are for laboratory conditions and do not include field performance tests.

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Document preview — GB/T 19843-2022

National Standard of the People's Republic of China

ICS: 23.120
Classification: J 72
Replacing: GB/T 19843-2005

Issued by: State Administration for Market Regulation, China National Standardization Administration

Preface
1 Scope
2 Normative references
3 Terms and Definitions
4 Symbols and Units
5 Measured characteristic parameters
5.1 Overview
5.2 Thrust
5.3 Input power
5.4 Sound level
5.5 Vibration speed
5.6 Volume flow
6 Instruments and Measurements
6.1 Dimensions and area
6.2 Speed
6.3 Thrust
6.4 Input power
6.5 Sound level
6.6 Vibration speed
6.7 Volume flow
7 Determination of thrust
7.1 Overview
7.2 Suspended arrangement
7.3 Supported arrangements
7.4 Test procedure
7.5 Test space
8 Determination of sound level
8.1 Overview
8.2 Test arrangement
8.3 Suitability of the test space
8.4 Measurement procedure
9 Determination of Vibration Velocity
9.1 Overview
9.2 Test arrangement
9.3 Test procedure
9.4 Permissible vibration speed
10 Determination of flow
10.1 General
10.2 Upstream plenum method
10.3 Upstream Pitot Traverse Method
10.4 Direct connection to flow measurement device
11 Representation of results
11.1 Product Description
11.2 Product performance
12 Tolerances and Conversion Rules
12.1 Tolerance
12.2 Conversion Rules
Appendix A (Informative) Illustration and Description of Standard Sound Sources
Appendix B (Informative) Correction of Sound Pressure Level
Appendix C (Informative) Dimensionless Parameters
Appendix D (normative) Efficiency based on thrust measurements

1 Scope

This document describes the testing of all technical performance and characteristics of jet fans as defined in ISO 13349.This document does not cover applications for plumbing

Fans designed or individually designed for air circulation, e.g. ceiling fans and table fans.

The test procedures described in this document are for laboratory conditions and do not include field performance tests.

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document.

GB/T 1236-2017 Standardized air duct performance test for industrial fans (ISO 5801.2007, IDT)

ISO 3744 Acoustic sound pressure method - Engineering method for the determination of sound power levels and sound energy levels from noise sources in approximate free fields above reflecting surfaces

Note. GB/T 3767-2016 Acoustic sound pressure method to measure noise source sound power level and sound energy level Engineering method for approximate free field above the reflecting surface (ISO 3744.2010, IDT)

ISO 13347 (all parts) Determination of fan sound power levels under standard laboratory conditions for industrial fans (Industrialfans-De-

Note. GB/T 34877.3-2017 Determination of fan sound power level under standard laboratory conditions for industrial fans - Part 3.Envelope surface method (ISO 13347-3.

2004, IDT)

Note. GB/T 19075-2003 Industrial Fan Vocabulary and Definition of Types (ISO 13349.1999, IDT) vibration)

Note. GB/T 9239.1-2006 Mechanical vibration constant state (rigid) rotor balance quality requirements - Part 1.Specification and balance tolerance inspection (ISO 1940-1.2003, IDT)

IEC 60034-2-1 Rotating electrical machines Part 2-1.Standard test method for determining losses and efficiency (excluding locomotive traction motors)

Note. GB/T 1032-2012 Test method for three-phase asynchronous motors (IEC 60034-2-1.2007, NEQ)

1) The file number of the latest version of ISO 1940-1 has been changed to ISO 21940-11.

GB/T 13277.1 | GB/T 4976 | GB/T 33625 | GB/T 17774 | GB/T 10893 | […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 51 pages — is available in the English PDF.

Referenced standards

Normative references

ISO 5801.2007 · ISO 3744 · ISO 13347 · ISO 13349.1999 · ISO 1940 · IEC 60034 · ISO 21940

Cited by

GB 7956.17-2019Fire fighting vehicles - Part 17: Smoke exhauster fire fighting vehicle

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