欢迎来到麦多课文档分享! | 帮助中心 海量文档,免费浏览,给你所需,享你所想!
麦多课文档分享
全部分类
  • 标准规范>
  • 教学课件>
  • 考试资料>
  • 办公文档>
  • 学术论文>
  • 行业资料>
  • 易语言源码>
  • ImageVerifierCode 换一换
    首页 麦多课文档分享 > 资源分类 > PDF文档下载
    分享到微信 分享到微博 分享到QQ空间

    GMW GMW5038-2012 Refrigerant 1 1 1 2-Tetrafluoroethane HFC-134a Issue 2 English《制冷剂1 1 1 2-四氟乙烷 HFC-134a 第2次出版(英文版本)》.pdf

    • 资源ID:758040       资源大小:34.46KB        全文页数:4页
    • 资源格式: PDF        下载积分:10000积分
    快捷下载 游客一键下载
    账号登录下载
    微信登录下载
    二维码
    微信扫一扫登录
    下载资源需要10000积分(如需开发票,请勿充值!)
    邮箱/手机:
    温馨提示:
    如需开发票,请勿充值!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)。
    如需开发票,请勿充值!如填写123,账号就是123,密码也是123。
    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,交流精品资源
     
    账号:
    密码:
    验证码:   换一换
      忘记密码?
        
    友情提示
    2、PDF文件下载后,可能会被浏览器默认打开,此种情况可以点击浏览器菜单,保存网页到桌面,就可以正常下载了。
    3、本站不支持迅雷下载,请使用电脑自带的IE浏览器,或者360浏览器、谷歌浏览器下载即可。
    4、本站资源下载后的文档和图纸-无水印,预览文档经过压缩,下载后原文更清晰。
    5、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。

    GMW GMW5038-2012 Refrigerant 1 1 1 2-Tetrafluoroethane HFC-134a Issue 2 English《制冷剂1 1 1 2-四氟乙烷 HFC-134a 第2次出版(英文版本)》.pdf

    1、 WORLDWIDE ENGINEERING STANDARDS Material Specification GMW5038 Refrigerant 1,1,1,2-Tetrafluoroethane, HFC-134a Copyright 2012 General Motors Company All Rights Reserved March 2012 Originating Department: North American Engineering Standards Page 1 of 4 1 Scope 1.1 Material Description. This specifi

    2、cation covers the overall requirements for 1,1,1,2-tetrafluoroethane refrigerant (also known as HFC 134a or R134a) used in General Motors (GM) mobile air conditioning systems. 1.2 Symbols. Not applicable. 1.3 Typical Applications. As a refrigerant in automotive air conditioners. 2 References Note: O

    3、nly the latest approved standards are applicable unless otherwise specified. 2.1 External Standards/Specifications. ANSI/ASHRAE 34 ASTM D2109 ASTM D2879 SAE J2776 ANSI/ASHRAE 97 ASTM D2111 ASTM E1064 2.2 GM Standards/Specifications. GMW3059 2.3 Additional References. TMC003 Material Safety Data Shee

    4、t guidance documents (available at ). 3 Requirements 3.1 Requirements on Delivery. 3.1.1 Chemical Requirements. Refrigerants approved and supplied to this specification shall have the chemical property values conforming to the established limits shown in Tables 1 and 2. No sample for testing and app

    5、roval to this specification shall be taken until the contents of the container have been mixed to ensure uniformity of the liquid phase and equilibrium with the gas phase. 3.1.2 Mechanical Requirements. Not applicable. 3.1.3 Physical Requirements. Refrigerants approved and supplied to this specifica

    6、tion shall have no flash point and shall meet the physical performance requirements shown in Table 3. Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-GM WORLDWIDE ENGINEERING

    7、STANDARDS GMW5038 Copyright 2012 General Motors Company All Rights Reserved March 2012 Page 2 of 4 Table 1: Liquid Phase Contaminants (Maximum Limits) Contaminants Test Method Units Value Water Content ASTM E1064 ppm Note 1 10 maximum. Acidity Neutralization Note 2 ppm Note 1 1 maximum Halides Speci

    8、fic ion electrode or potentiometric titration Note 2 ppm Note 1 0.1 Other Refrigerants Gas Chromatography Note 3 ppm Note 1 1960 Total Unsaturates Gas Chromatography Note 3 ppm Note 1 40 Non-volatile residue Gas Chromatography Note 3 ppm Note 1 v/v 100 Note 1: Parts per million (ppm) shall mean part

    9、s per million by mass (e.g., microgram per gram) Note 2: Alternate analytical procedure for acidity and halides. Acidity and halides may be determined together via Aqueous Conductivity as Hydrochloric acid, ppm. Note 3: These organic impurities must be identified and must not be harmful to mobile ai

    10、r-conditioning systems as judged by ANSI/ASHRAE 97 Sealed Tube Testing in the presence of iron, copper, aluminum and GM approved HFC-134a lubricant. Table 2: Vapor Phase Contaminants (Maximum Limit) Properties Test Method Units Value Non-condensable Gases Gas Chromatography Volume % 1.5 Table 3: Phy

    11、sical Performance Requirements Properties Test Method Units Value Appearance Visual Clear, colorless, liquefied gas Purity: as HFC-134a as HFC-134a + HFC-134 Gas Chromatography % by wt. 99.7 (minimum) 99.8 (minimum) Boiling Point (at 760 mm Hg) Reference only ASTM D2879 C -26.2 High boiling residues

    12、 ASTM D2109 % by volume 0.01 maximum Density at 25 C ASTM D2111 kg/dm3 1.19 to 1.21 3.1.4 Additional Requirements. 3.1.4.1 Label Requirements. Containers of material supplied to this specification shall, for ready identification of contents, prominently display the refrigerant number 134a (ANSI/ASHR

    13、AE 34) and other labeling requirements as outlined in SAE J2776. 3.2 Processing Requirements. Not applicable. 3.3 Performance Requirements. GM reserves the right to require any additional tests that may be deemed necessary to ensure satisfactory vehicle component performance with candidate refrigera

    14、nts submitted for approval. 3.4 Requirements on Other Stages During Life Cycle. Not applicable. 4 Manufacturing Process Not applicable. Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or networking permitted without license from

    15、 IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW5038 Copyright 2012 General Motors Company All Rights Reserved March 2012 Page 3 of 4 5 Rules and Regulations 5.1 Legal Regulations. All materials must satisfy applicable laws, rules, regulations and recommendations valid in the country of usage. 5.2 La

    16、nguage. In the event of conflict between the English and domestic language, the English language shall take precedence. 5.3 Inspection and Rejection. Samples of components or materials released to a GM material specification shall be tested for conformity with the requirements of this material speci

    17、fication and approved by the responsible Engineering department prior to commencement of delivery of bulk supplies. A new approval must be received for any changes, e.g., properties, manufacturing process, location of manufacture, etc. If not otherwise agreed, all testing and documentation normally

    18、required for initial release must be completed. It is the responsibility of the supplier to inform the customer in a timely manner, without solicitation, and to include documentation of all modifications of materials and/or processes and to apply for a new release. If not otherwise agreed, all relea

    19、se tests shall be repeated and documented by the supplier prior to commencement of delivery of non-conforming bulk supplies. In individual cases, a shorter test can be agreed to between the responsible Engineering department and the supplier. 5.4 Initial Source Approval. No shipments shall be made b

    20、y any supplier until representative initial production samples have been approved by the appropriate Materials Engineering department(s) as meeting the requirements of this specification. 5.5 Material Safety Data Sheets/Safety Data Sheets (MSDS/SDS). For new product submissions, or when a change in

    21、chemical composition of an existing product has occurred, a complete copy of the Material Safety Data Sheet/Safety Data Sheet must be submitted in compliance with the Globally Harmonized System of Classification and Labeling of Chemicals (GHS) requirements or other country-specific MSDS/SDS requirem

    22、ents. In addition, product MSDS/SDS submissions must be in compliance with specific country General Motors TMC003 Material Safety Data Sheet/Safety Data Sheet guidance documents where available. 5.6 All materials supplied to this standard must comply with the requirements of GMW3059, Restricted and

    23、Reportable Substances for Parts. 5.7 Safety. This standard may involve hazardous materials, operations, and equipment. This standard does not propose to address all of the safety problems associated with its use. It is the responsibility of the user of this standard to establish appropriate safety a

    24、nd health practices and to determine the applicability of regulatory limitations prior to use. 6 Approved Sources Engineering qualifications of an approved source are required for this standard. Only sources listed in the GM Materials File (GM Supply Power) under this standard number have been quali

    25、fied by Engineering as meeting the requirements of this standard. For other GM locations, the responsible Engineering group should be contacted to obtain the approved source in that individual country. The approval of suppliers to this specification will be executed for GM South America by GM Brazil

    26、 Materials Engineering, for GM Europe by GME ITDC Chassis, for GM Holden by GM Holden Materials Engineering. 7 Notes 7.1 Glossary. 7.2 Acronyms, Abbreviations, and Symbols. GHS Globally Harmonized System of Classification and Labeling of Chemicals GSSLT Global Subsystem Leadership Team MSDS Material

    27、 Safety Data Sheet ppm parts per million SDS Safety Data Sheet Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW5038 Copyright 2012 Genera

    28、l Motors Company All Rights Reserved March 2012 Page 4 of 4 8 Coding System This standard shall be referenced in other documents, drawings, etc., as follows: Material per GMW5038 9 Release and Revisions This standard was originated in October 2000. It was first approved by the Global Materials Manag

    29、ement Team in July 2007. It was first published in July 2007. Issue Publication Date Description (Organization) 1 JUL 2007 Initial publication. 2 MAR 2012 Update template, references. (Fuels, Fluids and Lubricants GSSLT) Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-


    注意事项

    本文(GMW GMW5038-2012 Refrigerant 1 1 1 2-Tetrafluoroethane HFC-134a Issue 2 English《制冷剂1 1 1 2-四氟乙烷 HFC-134a 第2次出版(英文版本)》.pdf)为本站会员(appealoxygen216)主动上传,麦多课文档分享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,请立即通知麦多课文档分享(点击联系客服),我们立即给予删除!




    关于我们 - 网站声明 - 网站地图 - 资源地图 - 友情链接 - 网站客服 - 联系我们

    copyright@ 2008-2019 麦多课文库(www.mydoc123.com)网站版权所有
    备案/许可证编号:苏ICP备17064731号-1 

    收起
    展开