ImageVerifierCode 换一换
格式:PDF , 页数:7 ,大小:173.14KB ,
资源ID:190762      下载积分:10 积分
快捷下载
登录下载
邮箱/手机:
温馨提示:
快捷下载时,用户名和密码都是您填写的邮箱或者手机号,方便查询和重复下载(系统自动生成)。 如填写123,账号就是123,密码也是123。
特别说明:
请自助下载,系统不会自动发送文件的哦; 如果您已付费,想二次下载,请登录后访问:我的下载记录
支付方式: 支付宝扫码支付 微信扫码支付   
验证码:   换一换

加入VIP,免费下载
 

温馨提示:由于个人手机设置不同,如果发现不能下载,请复制以下地址【https://www.wnwk.com/docdown/190762.html】到电脑端继续下载(重复下载不扣费)。

已注册用户请登录:
账号:
密码:
验证码:   换一换
  忘记密码?
三方登录: QQ登录  

下载须知

1: 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。
2: 试题试卷类文档,如果标题没有明确说明有答案则都视为没有答案,请知晓。
3: 文件的所有权益归上传用户所有。
4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
5. 本站仅提供交流平台,并不能对任何下载内容负责。
6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。

版权提示 | 免责声明

本文(ASTM_F_2826_-_14.pdf)为本站会员(益****师)主动上传,蜗牛文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知蜗牛文库(发送邮件至admin@wnwk.com或直接QQ联系客服),我们立即给予删除!

ASTM_F_2826_-_14.pdf

1、Designation:F282614An American National StandardStandard Test Method forEvaluating the Sustained Air Performance and ExhaustEmission Efficiencies of Central Vacuum Cleaning Units1This standard is issued under the fixed designation F2826;the number immediately following the designation indicates the

2、year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This test method is a laboratory test for determining thesu

3、stained air performance and Exhaust Emissions of a centralvacuum cleaner when tested under laboratory conditions.1.2 This test method is applicable to all central vacuumcleaners with or without any type of internal filter.This testmethod is intended to help indicate how performance may beaffected af

4、ter multiple times of vacuuming over an extendedperiod of time.1.3 The inch-pound system of units is used in this standardexcept for weight measurements,which are measured in grams.The values stated in parentheses are given for information only.1.4 This standard does not purport to address all of th

5、esafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2E1 Specification for ASTM Liqui

6、d-in-Glass ThermometersE177 Practice for Use of the Terms Precision and Bias inASTM Test MethodsE691 Practice for Conducting an Interlaboratory Study toDetermine the Precision of a Test MethodF820 Test Method for Measuring Air Performance Charac-teristics of Central Vacuum Cleaning Systems2.2 ISO St

7、andard:3ISO 5011 Inlet Air Cleaning Equipment for Internal Com-bustion Engines and CompressorsPerformance Testing3.Terminology3.1 Definitions:3.1.1 exhaust emissionsmeasure of the efficiency of a unitto capture the loading media.Exhaust Emissions is(1 (theweight of the media exhausted into the exhau

8、st emissions bag,divided by the weight of the media introduced)100).3.1.2 input power,W,nthe rate at which electrical energyis absorbed by a vacuum cleaner motor/fan system.3.1.3 model,nthe designation of a group of vacuumcleaner systems having the same mechanical and electricalconstruction.3.1.4 po

9、pulation,nthe total of all units of a particularmodel vacuum cleaner system being tested.3.1.5 sample,na group of vacuum cleaner systems takenfrom a large collection of vacuum cleaner systems of oneparticular model,which serves to provide information that maybe used as a basis for making a decision

10、concerning the largercollection.3.1.6 seal vacuuma water lift reading for a power unitwhen the inlet is entirely closed or sealed.3.1.7 standard air density,std,lb/ft3,natmospheric airdensity of 0.075 lb/ft3(1.2014 Kg/m3).3.1.7.1 DiscussionThis value of air density corresponds toatmospheric air at a

11、 temperature of 68F(20C),14.696 psi(101.325 kPa),and approximately 30%relative humidity.3.1.8 suction,inches of water,nin a vacuum cleanersystem,the absolute difference between ambient and sub-atmospheric pressure.3.1.9 sustained air performance,nthe ability of a vacuumcleaner to maintain air perfor

12、mance with a known quantity ofmedia aspirated into unit throughout a number of feedingcycles.3.1.10 test run,nthe definitive procedure that producesthe singular result.3.1.11 test station pressure,Bt,inches of mercury,nfor avacuum cleaner system,the absolute barometric pressure at thetest location(e

13、levation),and test time.3.1.11.1 DiscussionIt is not the equivalent mean sea levelvalue of barometric pressure typically reported by the airportand weather bureaus.It is sometimes referred to as the1This test method is under the jurisdiction ofASTM Committee F11 on VacuumCleaners and is the direct r

14、esponsibility of Subcommittee F11.22 on Air Perfor-mance.Current edition approved Jan.15,2014.Published January 2014.DOI:10.1520/F2826-142For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume infor

15、mation,refer to the standards Document Summary page onthe ASTM website.3Available from International Organization for Standardization(ISO),1,ch.dela Voie-Creuse,CP 56,CH-1211 Geneva 20,Switzerland,http:/www.iso.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 1

16、9428-2959.United States1 uncorrected barometric pressure(that is,not corrected to themean sea level equivalent value).3.1.12 unit,na single vacuum cleaner system of the modelbeing tested.3.1.13 working vacuuma water lift reading value at anorifice causing a vacuum equivalent to a standard cleaning toolapplied to the floor or rug.4.Significance and Use4.1 The test results allow comparison of sustained airperformance of central vacuum cleaners that employ variousmethods of separating the dirt from

copyright@ 2008-2023 wnwk.com网站版权所有

经营许可证编号:浙ICP备2024059924号-2