管道消声器和风道末端单元检测

GB/T 25516-2010 声学 管道消声器和风道末端单元的实验室测量方法 插入损失、气流噪声和全压损失

本标准规定了下列测试方法: 有气流和气流状态下，管道消声器的频带插入损失; 消声器再生气流噪声的频带声功率级; 有气流通过时，管道消声器的全压损失; 风道末端单元的频带传声损失。 本标准规定的是环境温度下实验室的测量方法。而消声器的现场测量方法在GB/T 19512中作了详细描述

Acoustics.Laboratory measurement produres for ducted silencers and air.Terminal units loss,flow noise and total pressure loss

GB/T 21229-2007 声学 风道末端装置、末端单元、风道闸门和阀噪声声功率级的混响室测定

本标准旨在建立按GB/T 14367规定进行声学测试通用准则，适用于ISO 3258所规定的空气配给与空气扩散系统所采用的风道末端装置、末端单元、风道闸门和阀噪声的声功率级测定

Acoustics.Determination of sound power levels of noise from air-terminal devices,air-terminal units,dampers and valves by measurement in a reverberation room

GOST 32112-2013 声学. 风道末端装置的噪声性能测定. 消声室精密法

Acoustics. Determination of noise performance for air-terminal devices. Precision methods for anechoic rooms

GB/T 17697-2014 声学 风机和其它通风设备辐射入管道的声功率测定 管道法

概述本标准规定了一种测定连接管道的风机和其他通风设备进、出口端辐射入具有消声末端的管道内声功率的方法。本方法适用于空气温度为-50 ℃~+70 ℃和辐射稳态宽、窄带和离散频率噪声的风机。测试管道直径范围为0.15 m~2 m。附录H和附录I分别描述了直径d<0.15 m和d>2 m的测试管道内测定

Acoustics.Determination of sound power radiated into a duct by fans and other air-moving devices.In-duct method

EN ISO 7235:1995 声学.风道消音装置和风道末端装置的实验室测量程序.插入损失,流动噪声和总压力损失

Acoustics - Measurement Procedures for Ducted Silencers - Insertion Loss, Flow Noise and Total Pressure Loss (ISO 7235 : 1991)

BS EN ISO 7235:2010 声学 风道消音装置和风道末端装置的实验室测量程序 插入损失、流动噪声和总压力损失

Acoustics. Laboratory measurement procedures for ducted silencers and air-terminal units. Insertion loss, flow noise and total pressure loss

EN ISO 7235:2009 声学.风道消音装置和风道末端装置的实验室测量程序.插入损失,流动噪声和总压力损失

This International Standard specifies methods for determining

Acoustics - Laboratory measurement procedures for ducted silencers and air-terminal units - Insertion loss, flow noise and total pressure loss

BS EN ISO 7235:2009 声学.风道消音装置和风道末端装置的实验室测量程序.插入损失、流动噪声和总压力损失

This International Standard specifies methods for determining ? the insertion loss, in frequency bands, of ducted silencers with and without airflow

Acoustics - Laboratory measurement procedures for ducted silencers and air-terminal units - Insertion loss, flow noise and total pressure loss

GB/T 41318-2022 通风消声器

本文件规定了通风消声器的分类与标记、一般要求、要求、试验方法、检验规则、标志、包装、运输和贮存。 本文件适用于通风与空调系统工程中配套使用的各类阻性和抗性消声器的生产和检验,不适用于消声弯头、消声静压箱和排气放空消声器

Ventilation silencer

BS EN ISO 5135:2020 声学 通过在混响测试室中测量来确定风机末端装置、风机末端单元、阻尼器和阀门的噪声声功率级

What is ISO 5135 about?    ISO 5135 discusses acoustics from a perspective of noise levels for air terminal devices. ISO 5135 defines

Acoustics. Determination of sound power levels of noise from air-terminal devices, air-terminal units, dampers and valves by measurement in a reverberation test room

AWWA C219-2006 管道末端螺钉连接器

This standard describes bolted, sleeve-type couplings, reducing or transition couplings, and flanged coupling adapters (couplings) used to join

Bolted, Sleeve-Type Couplings for Plain-End Pipe

KS I ISO 7235:2020 声学 - 管道消声器和空气端子单元的实验室测量程序 - 插入损耗 流量噪声和总压力损失

Acoustics — Laboratory measurement procedures for ducted silencers and air-terminal units — Insertion loss,flow noise and total pressure loss

KS I ISO 7235-2020 声学 - 管道消声器和空气端子单元的实验室测量程序 - 插入损耗 流量噪声和总压力损失

Acoustics — Laboratory measurement procedures for ducted silencers and air-terminal units — Insertion loss,flow noise and total pressure loss

19/30381871 DC BS EN ISO 5135 声学 通过在混响测试室中测量来确定风机末端装置、风机末端单元、阻尼器和阀门的噪声声功率级

BS EN ISO 5135. Acoustics. Determination of sound power levels of noise from air-terminal devices, air-terminal units, dampers and valves by measurement in a reverberation test room

GMKOREA EDS-T-7141-2010 消声器和管道疲劳试验

Muffler and duct fatigue testing

GB/T 25516-2010 声学 管道消声器和风道末端单元的实验室测量方法 插入损失、气流噪声和全压损失

本标准规定了下列测试方法: 有气流和气流状态下，管道消声器的频带插入损失; 消声器再生气流噪声的频带声功率级; 有气流通过时，管道消声器的全压损失; 风道末端单元的频带传声损失。 本标准规定的是环境温度下实验室的测量方法。而消声器的现场测量方法在GB/T 19512中作了详细描述

Acoustics.Laboratory measurement produres for ducted silencers and air.Terminal units loss,flow noise and total pressure loss

GB/T 21229-2007 声学 风道末端装置、末端单元、风道闸门和阀噪声声功率级的混响室测定

本标准旨在建立按GB/T 14367规定进行声学测试通用准则，适用于ISO 3258所规定的空气配给与空气扩散系统所采用的风道末端装置、末端单元、风道闸门和阀噪声的声功率级测定

Acoustics.Determination of sound power levels of noise from air-terminal devices,air-terminal units,dampers and valves by measurement in a reverberation room

GOST 32112-2013 声学. 风道末端装置的噪声性能测定. 消声室精密法

Acoustics. Determination of noise performance for air-terminal devices. Precision methods for anechoic rooms

GB/T 17697-2014 声学 风机和其它通风设备辐射入管道的声功率测定 管道法

概述本标准规定了一种测定连接管道的风机和其他通风设备进、出口端辐射入具有消声末端的管道内声功率的方法。本方法适用于空气温度为-50 ℃~+70 ℃和辐射稳态宽、窄带和离散频率噪声的风机。测试管道直径范围为0.15 m~2 m。附录H和附录I分别描述了直径d<0.15 m和d>2 m的测试管道内测定

Acoustics.Determination of sound power radiated into a duct by fans and other air-moving devices.In-duct method

EN ISO 7235:1995 声学.风道消音装置和风道末端装置的实验室测量程序.插入损失,流动噪声和总压力损失

Acoustics - Measurement Procedures for Ducted Silencers - Insertion Loss, Flow Noise and Total Pressure Loss (ISO 7235 : 1991)

BS EN ISO 7235:2010 声学 风道消音装置和风道末端装置的实验室测量程序 插入损失、流动噪声和总压力损失

Acoustics. Laboratory measurement procedures for ducted silencers and air-terminal units. Insertion loss, flow noise and total pressure loss

EN ISO 7235:2009 声学.风道消音装置和风道末端装置的实验室测量程序.插入损失,流动噪声和总压力损失

This International Standard specifies methods for determining

Acoustics - Laboratory measurement procedures for ducted silencers and air-terminal units - Insertion loss, flow noise and total pressure loss

BS EN ISO 7235:2009 声学.风道消音装置和风道末端装置的实验室测量程序.插入损失、流动噪声和总压力损失

This International Standard specifies methods for determining ? the insertion loss, in frequency bands, of ducted silencers with and without airflow

Acoustics - Laboratory measurement procedures for ducted silencers and air-terminal units - Insertion loss, flow noise and total pressure loss

GB/T 41318-2022 通风消声器

本文件规定了通风消声器的分类与标记、一般要求、要求、试验方法、检验规则、标志、包装、运输和贮存。 本文件适用于通风与空调系统工程中配套使用的各类阻性和抗性消声器的生产和检验,不适用于消声弯头、消声静压箱和排气放空消声器

Ventilation silencer

BS EN ISO 5135:2020 声学 通过在混响测试室中测量来确定风机末端装置、风机末端单元、阻尼器和阀门的噪声声功率级

What is ISO 5135 about?    ISO 5135 discusses acoustics from a perspective of noise levels for air terminal devices. ISO 5135 defines

Acoustics. Determination of sound power levels of noise from air-terminal devices, air-terminal units, dampers and valves by measurement in a reverberation test room

AWWA C219-2006 管道末端螺钉连接器

This standard describes bolted, sleeve-type couplings, reducing or transition couplings, and flanged coupling adapters (couplings) used to join

Bolted, Sleeve-Type Couplings for Plain-End Pipe

KS I ISO 7235:2020 声学 - 管道消声器和空气端子单元的实验室测量程序 - 插入损耗 流量噪声和总压力损失

Acoustics — Laboratory measurement procedures for ducted silencers and air-terminal units — Insertion loss,flow noise and total pressure loss

KS I ISO 7235-2020 声学 - 管道消声器和空气端子单元的实验室测量程序 - 插入损耗 流量噪声和总压力损失

Acoustics — Laboratory measurement procedures for ducted silencers and air-terminal units — Insertion loss,flow noise and total pressure loss

19/30381871 DC BS EN ISO 5135 声学 通过在混响测试室中测量来确定风机末端装置、风机末端单元、阻尼器和阀门的噪声声功率级

BS EN ISO 5135. Acoustics. Determination of sound power levels of noise from air-terminal devices, air-terminal units, dampers and valves by measurement in a reverberation test room

GMKOREA EDS-T-7141-2010 消声器和管道疲劳试验

Muffler and duct fatigue testing