ASTM F681-1982(2018) Standard Practice for Use of Branch Connections.pdf
《ASTM F681-1982(2018) Standard Practice for Use of Branch Connections.pdf》由会员分享,可在线阅读,更多相关《ASTM F681-1982(2018) Standard Practice for Use of Branch Connections.pdf(5页珍藏版)》请在麦多课文档分享上搜索。
1、Designation: F681 82 (Reapproved 2018) An American National StandardStandard Practice forUse of Branch Connections1This standard is issued under the fixed designation F681; the number immediately following the designation indicates the year of originaladoption or, in the case of revision, the year o
2、f last revision. A number in parentheses indicates the year of last reapproval. A superscriptepsilon () indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the U.S. Department of Defense.1. Scope1.1 This practice lists commonly u
3、sed types of branchconnections for carbon steel, chromium-molybdenum steelpipe and copper-nickel alloy tubing. Branch to run sizeapplications are given in Table 1, Table 2, and Table 3. Othertypes of branch connections (Fig. 1) may be used provided theycomply with the requirements of Title 46 CFR Su
4、bparts56.07-10(f) and 56.70-15(g) of the USCG Regulations.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 international standard was developed in accor-dance with internationally recognized principles on sta
5、ndard-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. Referenced Documents2.1 ASTM Standards:2F722 Specification for Welded Joints for Shi
6、pboard PipingSystems2.2 ASME Standard:3B31.1 Power Piping2.3 Other Document:4Title 46 Code of Federal Regulations (CFR) Shipping, Parts41 to 693. General Requirements3.1 Weld joint designs shall be in accordance with Specifi-cation F722 and the limitations therein.3.2 Fabricated branch connections s
7、hall meet the reinforce-ment requirements of Section 104.3 of ASME B31.1 asmodified by Title 46, CFR Subparts 56.07-10(f) and 56.70-15(g) of the USCG regulations.3.3 Threaded fittings shall be subject to the limitations ofTitle 46 CFR, Subpart 56.30-20 of the USCG Regulations.4. Keywords4.1 branch c
8、onnnections; carbon steel connections;chromium-molybdenum steel pipe; copper-nickel alloy tubing1This practice is under the jurisdiction of ASTM Committee F25 on Ships andMarine Technology and is the direct responsibility of Subcommittee F25.11 onMachinery and Piping Systems.Current edition approved
9、 Sept. 1, 2018. Published September 2018. Originallyapproved in 1980. Last previous edition approved in 2014 as F681 82 (2014).DOI: 10.1520/F0681-82R18.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMSta
- 1.请仔细阅读文档,确保文档完整性,对于不预览、不比对内容而直接下载带来的问题本站不予受理。
- 2.下载的文档,不会出现我们的网址水印。
- 3、该文档所得收入(下载+内容+预览)归上传者、原创作者;如果您是本文档原作者,请点此认领!既往收益都归您。
下载文档到电脑,查找使用更方便
5000 积分 0人已下载
下载 | 加入VIP,交流精品资源 |
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- ASTMF68119822018STANDARDPRACTICEFORUSEOFBRANCHCONNECTIONSPDF

链接地址:http://www.mydoc123.com/p-537089.html