ASTM F1098-1987(2015) Standard Specification for Envelope Dimensions for Butterfly ValvesNPS 2 to 24《蝶阀NPS 2至24包封尺寸的标准规格》.pdf
《ASTM F1098-1987(2015) Standard Specification for Envelope Dimensions for Butterfly ValvesNPS 2 to 24《蝶阀NPS 2至24包封尺寸的标准规格》.pdf》由会员分享,可在线阅读,更多相关《ASTM F1098-1987(2015) Standard Specification for Envelope Dimensions for Butterfly ValvesNPS 2 to 24《蝶阀NPS 2至24包封尺寸的标准规格》.pdf(3页珍藏版)》请在麦多课文档分享上搜索。
1、Designation: F1098 87 (Reapproved 2015) An American National StandardStandard Specification forEnvelope Dimensions for Butterfly ValvesNPS 2 to 241This standard is issued under the fixed designation F1098; the number immediately following the designation indicates the year oforiginal adoption or, in
2、 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 specification provides standard dimensions formanual (lever and gear actuator)
3、 butterfly valves installed inshipboard piping systems in NPS 2 to NPS 24, inclusive.1.2 This specification covers conventional and ANSIB16.34 class butterfly valves of both lug and wafer types.1.3 The values stated in inch-pound units are to be regardedas standard. The values given in parentheses a
4、re mathematicalconversions to SI units that are provided for information onlyand are not considered standard.2. Referenced Documents2.1 ANSI Standard:2B 16.34 Small Butt Welding End Valves3. Dimensions3.1 Face-to-Face Dimensions:3.1.1 Valve body face-to-face dimensions are provided inTable 1.3.1.2 T
5、he face-to-face dimensions are the metal-to-metaldimensions between the valve body flange faces that requireseparate gaskets or the compressed or installed condition forvalves using liners that extend from the body contact faces andact as flange gaskets.3.2 Actuator Dimensions:3.2.1 The maximum perm
6、issible dimensions for lever- andgear-type actuators are provided in Fig. 1.3.2.2 The handwheel and handle may be on either side ofthe valve.3.2.3 All handwheels and handles rotate clockwise to closethe valve.4. Tolerances4.1 Face-to-Face DimensionsAplus or minus tolerance of116 in. (1.6 mm) for all
7、 sizes shall be allowed (see Table 1).5. Keywords5.1 envelope dimensions; gear actuator butterfly valves;lever butterfly valves; manual butterfly valves1This specification is under the jurisdiction of ASTM Committee F25 on Shipsand Marine Technology and is the direct responsibility of Subcommittee F
8、25.11 onMachinery and Piping Systems.Current edition approved May 1, 2015. Published June 2015. Originallyapproved in 1987. Last previous edition approved in 2010 as F1098 87 (2010).DOI: 10.1520/F1098-87R15.2Available from American National Standards Institute (ANSI), 25 W. 43rd St.,4th Floor, New Y
- 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:
- ASTMF109819872015STANDARDSPECIFICATIONFORENVELOPEDIMENSIONSFORBUTTERFLYVALVESNPS2TO24 蝶阀 NPS2 24 尺寸 标准

链接地址:http://www.mydoc123.com/p-534176.html