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GB/T 17213.8-2015 (GB/T17213.8-2015)

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GB/T 17213.8-2015: PDF in English (GBT 17213.8-2015)

GB/T 17213.8-2015
GB
ICS 23.060.40; 25.040.40
N 16
NATIONAL STANDARD OF THE
PEOPLE'S REPUBLIC OF CHINA
GB/T 17213.8-2015 / IEC 60534-8-1.2005
Replacing GB/T 17213.8-1998
Industrial-process control valves -
Part 8-1. Noise considerations - Laboratory
measurement of noise generated by aerodynamic flow
through control valves
(IEC 60534-8-1.2005, IDT)
ISSUED ON. DECEMBER 10, 2015
IMPLEMENTED ON. JULY 1, 2016
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 ... 7 
2 Normative references ... 7 
3 Terms and definitions ... 8 
4 Symbols ... 9 
5 Method A (external sound pressure measurement) ... 10 
6 Method B (internal sound pressure measurement) ... 16 
Foreword 
GB/T 17213 consists of the following parts, under the general title Industrial-process
control valves.
- Part 1. Control valve terminology and general considerations (GB/T 17213.1);
- Part 2-1. Flow capacity - Sizing equations for fluid flow under installed conditions
(GB/T 17213.2);
- Part 2-3. Flow capacity - Test procedures (GB/T 17213.9);
- Part 2-4. Flow capacity - Section Four. Inherent flow characteristics and
rangeability (GB/T 17213.10);
- Part 2-5. Flow capacity - Sizing equations for fluid flow through multistage control
valves with interstage recovery (GB/T 17213.17);
- Part 3-1. Dimensions - Face-to-face dimensions for flanged, two-way, globe-type,
straight pattern and centre-to-face dimensions for flanged, two-way, globe-type,
angle pattern control valves (GB/T 17213.3);
- Part 3-2. Dimensions - Face-to-face dimensions for rotary control valves except
butterfly valves (GB/T 17213.11);
- Part 3-3. Dimensions - End-to-end dimensions for buttweld, two-way, globe-type,
straight pattern control valves (GB/T 17213.12);
- Part 4. Inspection and routine testing (GB/T 17213.4);
- Part 5. Marking (GB/T 17213.5);
- Part 6-1. Mounting details for attachment of positioners to control valves - Section
1. Positioner mounting on linear actuators (GB/T 17213.6);
- Part 6-2. Mounting details for attachment of positioners to control valves -
Positioner mounting on rotary actuators (GB/T 17213.13);
- Part 7. Control valve data sheet (GB/T 17213.7);
- Part 8-1. Noise considerations - Laboratory measurement of noise generated by
aerodynamic flow through control valves (GB/T 17213.8);
- Part 8-2. Noise considerations - Laboratory measurement of noise generated by
hydrodynamic flow through control valves (GB/T 17213.14);
- Part 8-3. Noise considerations - Control valve aerodynamic noise prediction
which is in accordance with the original layout, in order to facilitate the corresponding
access. [see 5.1, 5.2.5, 6.1, 6.2.7, Figure 2 a) and Figure 2 b)].
This Part uses translation method to identically adopt IEC 60534-8-1.2005 “Industrial-
process control valves - Part 8-1. Noise considerations - Laboratory measurement of
noise generated by aerodynamic flow through control valves”.
Corresponding Chinese documents of the international document in the normative
reference of this Standard are as follows.
- GB/T 3241-2010 Electroacoustics - Octave-band and fractional-octave-band
filters (IEC 61260.1995, MOD);
- GB/T 17213 (all parts) Industrial-process control valves [IEC 60534 (all parts)];
- GB/T 17213.1-2015 Industrial-process control valves - Part 1. Control valve
terminology and general considerations (IEC 60534-1.2005, IDT);
- GB/T 17213.9-2005 Industrial-process control valves - Part 2-3. Flow capacity -
Test procedures (IEC 60534-2-3.1997, IDT);
- GB/T 17213.15-2005 Industrial-process control valves - Part 8-3. Noise
considerations - Control valve aerodynamic noise prediction method (IEC
60534-8-3.2000, IDT).
This Part was proposed by China Machinery Industry Federation.
This Part shall be under the jurisdiction of National Technical Committee on Industrial
Process Measurement, Control and Automation (SAC/TC 124).
Responsible drafting organization of this Part. Shanghai Institute of Process
Automation Instrumentation.
Participating drafting organizations of this Part (in alphabetical order). Emerson
Process Management (Tianjin) Valve Co., Ltd., Chongqing Chuanyi Control Valve Co.,
Ltd., Chongqing Shizhuang Instrumentation Co., Ltd., Nanyang Nanfa Valve Co., Ltd.,
Hangzhou Lianggong Valve Co., Ltd., Shanghai Floauto Control Valve Co., Ltd., No. 7
Factory of Shanghai Automation Instrument Co., Ltd., Tianjin Jingtong Control
Instrumentation Technology Co., Ltd., Wuxi Smart Automation Engineering Co., Ltd.,
Wuzhong Instrument Co., Ltd., Zhejiang Aoxiang Auto-control Technology Co., Ltd.,
Zhejiang Pari World Automation Meter Co., Ltd., Zhejiang Sanfang Control Valve Co.,
Ltd., Zhejiang Yongsheng Meter Co., Ltd., Zhejiang Zhongde Automatic Control Valve
Co,. Ltd.
Main drafters of this Part. Wang Jiong, Li Minghua, Liao Jianmin, Shen Jianbiao, Zhang
Shishu, Shen Wei, Gao Qiang, Lin Feng, Zhang Dexian, Fan Ping, Cai Jiachao, Yang
Industrial-process control valves - Part 8-1. Noise
considerations - Laboratory measurement of noise
generated by aerodynamic flow through control
valves
1 Scope 
This Part of GB/T 17213 defines equipment, methods, and procedures for obtaining
laboratory measurements of sound pressure levels radiated by control valves and/or
associated piping configurations, including fixed restrictions, through which
compressible fluids are passing.
Control valves discharging to atmosphere are excluded from this Part.
Method A is a uniform method of measuring the radiated noise from the valve and
associated test piping and allows a comparison of various measuring results which is
beneficial for both user and manufacturer. The noise criteria are expressed by
determining the sound pressure level of the valve under consideration.
Method B is a procedure for measuring the sound pressure levels within pipe systems
upstream and downstream of the valve under fixed operating conditions. Since
inaccuracies due to the pipe transmission are eliminated, this method is preferred for
evaluation of the acoustical characteristic of valves.
The noise characteristics to be determined are useful for the following reasons.
a) to compare the performance of different valves;
b) to plan measures for noise abatement;
c) to determine acoustical characteristics of valves and valve assemblies;
d) to enable proper sizing of sound absorbers;
e) to determine possible adverse effects on ultra-sonic flow meter measurements.
2 Normative references 
The following referenced documents are indispensable for the application of this
15) Piping geometry factor, Fp 1
16) Any deviation from this standard
NOTE. Volumetric flow rates in m3/h refer to normal conditions, which are 0 °C and 101.325
kPa (1.01325 bar), or standard conditions, which are 15.6 °C and 101.325 kPa (1.01325 bar).
6.2.8 Accuracy
The overall accuracy of this method is limited to ± 3 dB.
6.3 Data evaluation
The data shall be evaluated in accordance with IEC 60534-8-3.
......
 
Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.