17.140.20;23.060.40;25.040.40 标准查询与下载

GB/T 17213.14-2018 工业过程控制阀 第8-2部分：噪声的考虑 实验室内测量液动流流经控制阀产生的噪声

GB/T 17213的本部分规定了液动流流经控制阀产生的噪声声压级的测量方法和确定由于空化作用造成噪声增大的特性的方法。本部分还规定了为确定这些特性而在实验室内测量空气传播噪声所需的设备、方法和程序。 这两种方法主要用于测试控制阀产生噪声的特性。 第一种方法是测量控制阀和相关试验管道[包括试验流体(水)流经的固定节流装置]产生的辐射噪声的统一方法(见注1)。噪声的标准通过确定被试控制阀的声压级来表示。 第二种方法是测量固定工作条件下控制阀上游和下游管道系统内声压级的方法。由于消除了管道传输的不准确度，应优先采用此方法来评估控制阀的声学特征。 噪声特性可用于下列目的： a)　确定控制阀和阀门组件的声学特征和控制阀的特性压差比系数x； b)　预测给定过程条件下控制阀的噪声； c)　比较不同控制阀的性能和各种测量结果； d)　制定延长工作寿命，降低噪声的措施； e)　确定可能对超声波流量计测量的不利影响； f)　确定吸声装置的尺寸。

Industrial-process control valves—Part 8-2: Noise considerations—Laboratory measurement of noise generated by hydrodynamic flow through control valves

GB/T 17213.15-2017 工业过程控制阀 第8-3部分：噪声的考虑 空气动力流流经控制阀产生的噪声预测方法

Industrial-process control valves—Part 8-3: Noise considerations—Control valve aerodynamic noise prediction method

BS EN 60534-8-4:2015 工业过程控制阀 噪音考虑 流体动力流产生的噪声的预测

Industrial-process control valves. Noise considerations. Prediction of noise generated by hydrodynamic flow

IEC 60534-8-4:2015 工业过程控制阀.第8-4部分:噪声问题.预测液体动力流产生的噪声

This part of IEC 60534 establishes a method to predict the noise generated in a control valve by liquid flow and the resulting noise level measured downstream of the valve and outside of the pipe. The noise may be generated both by normal turbulence and by liquid cavitation in the valve. Parts of the method are based on fundamental principles of acoustics, fluid mechanics, and mechanics. The method is validated by test data.

Industrial-process control valves - Part 8-4: Noise considerations - Prediction of noise generated by hydrodynamic flow

DS/EN 60534-8-2:2012 工业过程控制阀 第 8-2 部分：噪声注意事项 通过控制阀的流体动力流动产生的噪声的实验室测量

This part of IEC 60534-8 includes the method for measuring the sound pressure level due to liquid flow through a control valve and the method for determining the characteristic increase of noise due to the onset of cavitation. It also defines the equipment, methods and procedures for the laboratory measurement of the airborne sound needed to determine these characteristics.Two methods are provided for testing the noise generating characteristics of control valves.The first is a uniform method of measuring the radiated noise from the valve and the associated test piping including fixed flow restrictions through which the test fluid (water) is passing (see No

Industrial-process control valves - Part 8-2: Noise considerations - Laboratory measurement of noise generated by hydrodynamic flow through control valves

IEC 60534-8-2:2011 工业生产过程控制阀.第8-2部分:对流过控制阀的水流产生的噪音进行的实验室测量

This part of IEC 60534-8 includes the method for measuring the sound pressure level due to liquid flow through a control valve and the method for determining the characteristic increase of noise due to the onset of cavitation. It also defines the equipment@ methods and procedures for the laboratory measurement of the airborne sound needed to determine these characteristics. Two methods are provided for testing the noise generating characteristics of control valves. The first is a uniform method of measuring the radiated noise from the valve and the associated test piping including fixed flow restrictions through which the test fluid (water) is passing (see Note 1). The noise criteria are expressed by determining the sound pressure level of the valve under consideration. The second 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 shall be preferred for evaluation of the acoustical characteristic of valves. The noise characteristics to be determined are useful: a) to determine acoustical characteristics of valves and valve assemblies and the characteristic pressure ratio factor xFz of a control valve; b) to predict valve noise for given process conditions; c) to compare the performance of different valves and various measuring results; d) to plan measures for increasing service life and noise abatement; e) to determine possible adverse effects on ultra-sonic flow meter measurements; f) to enable proper sizing of sound absorbers. NOTE 1 Test fluids other than water or valves without downstream piping are not within the scope of this section of IEC 60534-8. NOTE 2 The factor xFz is used in a noise prediction method which is covered in IEC 60534-8-4.

Industrial-process control valves - Part 8-2: Noise considerations - Laboratory measurement of noise generated by hydrodynamic flow through control valves

BS EN 60534-8-3:2011 工业过程控制阀.噪声问题.控制阀的气动噪声预测法

This part of IEC 60534 establishes a theoretical method to predict the external soundpressure level generated in a control valve and within adjacent pipe expanders by the flow of compressible fluids. This method considers only single-phase dry gases and vapours and is based on the perfect gas laws. This standard addresses only the noise generated by aerodynamic processes in valves and in the connected piping. It does not consider any noise generated by reflections from external surfaces or internally by pipe fittings, mechanical vibrations, unstable flow patterns and other unpredictable behaviour. It is assumed that the downstream piping is straight for a length of at least 2 m from the point where the noise measurement is made. This method is valid only for steel and steel alloy pipes (see Equations (21) and (23) in 5.5). The method is applicable to the following single-stage valves: globe (straight pattern and angle pattern), butterfly, rotary plug (eccentric, spherical), ball, and valves with cage trims. Specifically excluded are the full bore ball valves where the product FpC exceeds 50 % of the rated flow coefficient. For limitations on special low noise trims not covered by this standard, see Clause 8. When the Mach number in the valve outlet exceeds 0,3 for standard trim or 0,2 for low noise trim, the procedure in Clause 7 is used The Mach number limits in this standard are as follows:

Industrial-process control valves. Noise considerations. Control valve aerodynamic noise prediction method

DS/EN 60534-8-3:2011 工业过程控制用控制阀 第 8-3 部分：噪声比 控制阀气动噪声的预测方法

IEC 60534-8-3:2010 establishes a theoretical method to predict the external sound-pressure level generated in a control valve and within adjacent pipe expanders by the flow of compressible fluids. This method considers only single-phase dry gases and vapours and is based on the perfect gas laws. It is assumed that the downstream piping is straight for a length of at least 2 m from the point where the noise measurement is made. The method is applicable to the following single-stage valves: - globe (straight pattern and angle pattern), - butterfly, - rotary plug (eccentric, spherical), - ball, and - valves with cage trims. Specifically excluded are the full b

Industrial-process control valves – Part 8-3: Noise considerations – Control valve aerodynamic noise prediction method

IEC 60534-8-3:2010 工业过程控制阀.第8-3部分:噪声考虑.控制阀的气动噪声预测法

This part of IEC 60534 establishes a theoretical method to predict the external soundpressure level generated in a control valve and within adjacent pipe expanders by the flow of compressible fluids. This method considers only single-phase dry gases and vapours and is based on the perfect gas laws. This standard addresses only the noise generated by aerodynamic processes in valves and in the connected piping. It does not consider any noise generated by reflections from external surfaces or internally by pipe fittings, mechanical vibrations, unstable flow patterns and other unpredictable behaviour. It is assumed that the downstream piping is straight for a length of at least 2 m from the point where the noise measurement is made. This method is valid only for steel and steel alloy pipes (see Equations (21) and (23) in 5.5). The method is applicable to the following single-stage valves: globe (straight pattern and angle pattern), butterfly, rotary plug (eccentric, spherical), ball, and valves with cage trims. Specifically excluded are the full bore ball valves where the product FpC exceeds 50 % of the rated flow coefficient. For limitations on special low noise trims not covered by this standard, see Clause 8. When the Mach number in the valve outlet exceeds 0,3 for standard trim or 0,2 for low noise trim, the procedure in Clause 7 is used The Mach number limits in this standard are as follows:

Industrial-process control valves - Part 8-3: Noise considerations - Control valve aerodynamic noise prediction method

JIS B 2005-8-3:2008 工业过程控制阀.第8-3部分:噪声问题.控制阀的气动噪声预报法

この規格は，圧縮性流体の流れによって，調節弁及び隣接した配管エキスパンダ内に発生する外部音圧レべルを予測する理論的手法について規定する。

Industrial-process control valves -- Part 8-3: Noise considerations -- Control valve aerodynamic noise prediction method

JIS B 2005-8-2:2008 工业过程控制阀.第8部分:噪声问题.第2节:流动液流经控制阀产生的噪声的实验室测量

この規格は，調節弁を流れる液体による音圧レべルの測定方法.及びキャビテーションの 発生による騒音の特徴的な増加の決定方法について規定する。また，これらの特性を求めるために必要な実験室の空気中を伝ばく（播）する音響を測定する装置，測定の方法及び手順についても規定する。空気音響には，調節弁及び試験用流体（水）が通過する固定絞りを含む接続配管から発生する騒音が含まれる(備考1.参照)。

Industrial-process control valves -- Part 8: Noise considerations -- Section 2: Laboratory measurement of noise generated by hydrodynamic flow through control valves

JIS B 2005-8-4:2008 工业过程控制阀.第8-4部分:噪声问题.液动流产生的噪声预测

この規格は，エ業プロセスプラントの設計者及び運転者が，調節弁を通る液体流動によって生じる騒音を，決められた位置で予測することを可能にする。バルプ及び配管系から空気中を伝ぼしてくる騒音と同様に，配管内に放出される音響バワーを，バルプの固有特性を決める係数及び統一された計算方法を用いて予測方法について規定する。

Industrial-process control valves -- Part 8-4: Noise considerations -- Prediction of noise generated by hydrodynamic flow

BS EN 60534-8-4:2007 工业过程控制阀 第8-4部分：噪声考虑 液体动力流产生噪声的预测

Industrial-process control valves - Noise considerations - Prediction of noise generated by hydrodynamic flow

BS EN 60534-8-4:2005 工业过程控制阀.第8-4部分:噪声考虑.液体动力流产生噪声的预测

This part of IEC 60534 establishes a method to predict the noise generated in a control valve by liquid flow and the resulting noise level measured downstream of the valve and outside of the pipe. The noise may be generated both by normal turbulence and by liquid cavitation in the valve. Parts of the method are based on fundamental principles of acoustics, fluid mechanics, and mechanics. The method is validated by test data. Noise generated by flashing flow is not considered in this standard. The transmission loss (TL) equations are based on analysis of the interaction between the sound waves inside the pipe and the coincidence frequencies in the wall of the pipe taking into account that commercial pipe tolerances allow a relatively wide variation in the thickness of the pipe wall. Ideal straight piping is assumed. The method can be used with all conventional control valve styles including globe, butterfly, cage-type, eccentric rotary, and modified ball valves. Tests so far have only been conducted with water. The applicability of this method for fluids other than water is not known at this time. This standard considers only noise generated by hydraulic turbulence and fluid cavitation. It does not consider any noise that might be generated by mechanical vibrations, unstable flow patterns, and unpredictable behaviour. In the typical installation, very little noise travels through the wall of the control valve body. The noise is measured at the standard measuring point of 1 m downstream of the valve and 1 m away from the outer surface of the pipe. This prediction method has been validated with test results based on water covering more than 90 % of all known valve types at inlet pressures of up to 15 bar. This method is considered accurate within

Industrial-process control valves — Part 8-4: Noise considerations — Prediction of noise generated by hydrodynamic flow

DS/EN 60534-8-4/Corr. 1:2007 工业过程控制阀 第 8-4 部分：噪声考虑 流体动力流动产生的噪声预测

This part of IEC 60534 established a method to predict the noise generated in a control valve by liquid flow and the resulting noise level measured downstream of the valve and outside of the pipe. The noise may be generated both by normal turbulence and by liquid cavitation in the valve. Parts of the method are based on fundamental principles of acoustics, fluid mechanics, and mechanics. The method is validated by test data. Noise generated by flashing flow is not considered in this standard.The transmission loss (TL) equations are based on analysis of the interaction between the sound waves inside the pipe and the coincidence frequencies in the wall of the

Industrial-process control valves - Part 8-4: Noise considerations - Prediction of noise generated by hydrodynamic flow

DS/EN 60534-8-4:2006 工业过程控制阀 第 8-4 部分：噪声考虑 流体动力流动产生的噪声预测

This part of IEC 60534 established a method to predict the noise generated in a control valve by liquid flow and the resulting noise level measured downstream of the valve and outside of the pipe. The noise may be generated both by normal turbulence and by liquid cavitation in the valve. Parts of the method are based on fundamental principles of acoustics, fluid mechanics, and mechanics. The method is validated by test data. Noise generated by flashing flow is not considered in this standard.The transmission loss (TL) equations are based on analysis of the interaction between the sound waves inside the pipe and the coincidence frequencies in the wall of the

Industrial-process control valves - Part 8-4: Noise considerations - Prediction of noise generated by hydrodynamic flow

NF C46-522:2006 工业过程控制阀.第8-4部分:噪声问题.预测液体动力流产生的噪声

Industrial-process control valves - Part 8-4 : noise considerations - Prediction of noise generated by hydrodynamic flow.

DS/EN 60534-8-1:2006 工业过程控制阀 第 8-1 部分：噪声考虑 空气动力流通过控制阀产生的噪声的实验室测量

This part of IEC 60534-8 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 standard.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 manufacter. The noise criteria are expressed by determining the sound pressure level of the valve under consideration.Meth

Industrial-process control valves - Part 8-1: Noise considerations - Laboratory measurement of noise generated by aerodynamic flow through control valves

JIS B 2005-8-1:2004 工业过程控制阀.第8部分:噪声的考虑.第1节:气动流流经控制阀产生的噪声的实验室测量

この規格は，圧縮性流体が調節弁及び関連する固定絞りを含む配管系を通過する流れによつて発生する空気伝ぱ音圧レべルを実験室において測定するための装置，方法及び手順について規定する。備考1.この規格は，大気に直接放出する調節弁には適用しない。

Industrial-process control valves -- Part 8: Noise considerations -- Section One: Laboratory measurement of noise generated by aerodynamic flow through control valves