ImageVerifierCode 换一换
格式:PDF , 页数:2 ,大小:52.86KB ,
资源ID:181416      下载积分:9 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/181416.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_D_4285_-_83_2018.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_D_4285_-_83_2018.pdf

1、Designation:D428583(Reapproved 2018)Standard Test Method forIndicating Oil or Water in Compressed Air1This standard is issued under the fixed designation D4285;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision

2、.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 used to determine the presence of oilor water in compressed air used for abrasive blast cleaning,airblast cleaning,a

3、nd coating application operations.1.2 The values stated in inch-pound units are to be regardedas standard.No other units of measurement are included in thisstandard.1.3 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the u

4、ser of this standard to establish appro-priate safety,health,and environmental practices and deter-mine the applicability of regulatory limitations prior to use.For specific hazard statements,see Section 4.1.4 This international standard was developed in accor-dance with internationally recognized p

5、rinciples on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Significance and Use2.1 Clean compressed air is required to prevent cont

6、amina-tion of coating materials and surfaces being prepared forcoating.This test method is a visual examination technique fordetermining oil or water in compressed air.Other types ofcontamination may require additional analytical techniques fordetection.3.Apparatus and Materials3.1 Absorbent Collect

7、or,such as white absorbent paper orcloth and rigid backing for mounting absorbent collector,or3.2 Nonabsorbent Collector,such as rigid transparentplastic,approximately14in.thick.4.Cautions4.1 To avoid false indications prior to testing:4.1.1 Allow compressed air system to reach operatingconditions,a

8、nd4.1.2 Allow air to discharge at operating conditions toremove accumulated condensation in the system.4.2 Fasten the collector material to the rigid backing.Precaution:Avoid personal contact with the air stream.5.Sampling5.1 Conduct the test on discharging air as close to the usepoint as possible a

9、nd after the inline oil and water separators.6.Procedure6.1 Use either the absorbent or nonabsorbent collector.6.2 Position the collector within 24 in.of the air-dischargepoint,centered in the air stream.6.3 Adjust air discharge so that the collector remains intactduring the test.Allow air to discha

10、rge onto the collector for aminimum of 1 min.6.4 Visually examine the collector for the presence orabsence of oil or water,or both.7.Interpretation of Results7.1 Any indication of oil discoloration on the collector shallbe cause for rejection of the compressed air for use in abrasiveblast cleaning,a

11、ir blast cleaning,and coating applicationoperations.7.2 Any indications of water contamination on the collectorshall be cause for rejection of the compressed air for use inthose applications where water is detrimental,such as abrasiveblast cleaning,air blast cleaning,and coating applicationoperation

12、s.8.Precision and Bias8.1 No precision or bias statement has been established forthis test method.9.Keywords9.1 compressed air;oil and water in compressed air1This test method is under the jurisdiction of ASTM Committee D33 onProtective Coating and Lining Work for Power Generation Facilities and is

13、the directresponsibility of Subcommittee D33.05 on Application and Surface Preparation.Current edition approved Aug.1,2018.Published August 2018.Originallyapproved in 1983.Last previous edition approved in 2012 as D4285 83(2012).DOI:10.1520/D4285-83R18.Copyright ASTM International,100 Barr Harbor Dr

14、ive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued

15、 by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard.Users of this standard are expressly advised that determination of the validit

16、y of any such patent rights,and the riskof infringement of such rights,are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised,either reapproved or withdrawn.Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters.Your comments will receive careful consideration at a meeting of th

copyright@ 2008-2023 wnwk.com网站版权所有

经营许可证编号:浙ICP备2024059924号-2