JIS-B-9913-1972-R1984-ENG.pdf
《JIS-B-9913-1972-R1984-ENG.pdf》由会员分享,可在线阅读,更多相关《JIS-B-9913-1972-R1984-ENG.pdf(24页珍藏版)》请在三一文库上搜索。
1、 . . . . . . - . . . . . . . : : . - . . , _. . . . . . . . ., . . . . - . . . - - J I S B * L 3 72 4933b08 0025527 2 E UDC 621 A43.415: 614.843.3 JAPANESE I NDUSTRIAL STANDARD Classif cation and Dimensions JE B 99 I 3-1972 of Connections for Fire Department Nozzle-Tips Printed in Japan 13 S Transla
2、ted and Published by Japanese Standards Association Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/15/2007 20:53:33 MDTNo reproduction or networking permitted without license from IHS -,-,- . .: .
3、 ._ . . . . . . . c . -.i. . -. . . . .-. . . . . . -. . . . .: , ? . . . . . . . . , . . . . . . . r . : . . . . . : . - . . . . . . :. . . . . I . . . . . ._ . . . .- . . . . . . . . . . . - - J I S B*K9l13 72 W 4933b08 0025528 4 W Translation without guarantee standard in Japanese is to be eviden
4、ce in the event of any doubt arising, the original Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/15/2007 20:53:33 MDTNo reproduction or networking permitted without license from IHS -,-,- JIS B*L
5、3 72 m 4933608 O025529 6 m UDC 621.643.415: 614.843.3 JAPANESE INDUSTRIAL STANDARD J I S Classification and Dimensions of Connections B 9913-1972 for Fire Department Nozzle-Tips (Reaffirmed: 1984) 1. Scope of connections for fire department nozzle-tips, hereinafter referred to as the “connections“ .
6、 This Japanese Industrial Standard specifies the classification and dimensions 2. Names of Respective Parts The names of respective parts of the connections shall be as given in the f ollowin g Figure. Figure Gasket Nozzle-body 3. Classification The connections shall be classified into four sizes of
7、 40, 50, 65 and 75 according to their nominal sizes. 4. Dimensions The dimension of parts of the connections shall be as given i n the following: Reference Stan dards : JIS B 0202-Parallel Pipe Threads JIS B 0261-Measuring Method for Parallel Screw Gauges JIS B 0951-Knurling JIS B 3102-Gauge Blanks
8、for Screw Thread Limit Gauges JIS G 4404-Alloy Tool Steels Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/15/2007 20:53:33 MDTNo reproduction or networking permitted without license from IHS -,-,-
9、 2 B 9913-1972 40 50 65 75 Nozzle-tip W 36 32.5 4 4 43 44 26 32.5 16 2 10 1 . 5 16 12 1 3 45 41.5 54 53 54 33 41.5 18 2 12 1.5 18 14 1 3 55 51 65 64 65 42 51 . 20 2 14 1 . 5 20 16 1 3 68 64 79 78 79 54 64 24 2 18 1 . 5 24 20 1 3 Fine Nozzle- body Gasket Knurling Unit: mm - - - Remarks 1. 2. The scre
10、w threads shall be as given in Attached Tables 1 and 2. The knurling shall generally be the crossed-cut of m O. 3 specified in JIS B 0951. The dimensions on which their deviations are not specified are recommended dimensions. 3. Copyright Japanese Standards Association Provided by IHS under license
11、with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/15/2007 20:53:33 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S 889733 72 = 4933608 13025533 4 3 B 9913-1972 External thread Attached Table 1. Basic Profiles and Basic Dimensions of Nozzl
12、e Threads In -6 I (The thick continuous line indicates the basic profile of thread.) Nominal size of connec- tion H = O. 960491 P II = O. 640327 P r = O . 137329P p =c4 n Nominal Number Height desk- Of of ex- nation threads Pitch temal of screw (per 25.4 thread thread mm),I P 11 40 I i i i I 2.1167
13、.I 50 2.1167 65 2.5400 1.626 75 I 68 I 10 I 2.5400 I 1.626 Root r O. 291 o. 291 o. 349 o. 349 P 9 7 8 a“ I d , = d - h D = d di = d - 211 D I = di Di =di Unit: mrn hlajor Pitch hlinor hfajor diameter diameter diameter diameter d 1 dl 1 d, 1 D 36.000 I 34645 I 33.290 I %:I 45.000 43.645 42.290 I I l
14、55.000 1 53.374 I 51.748 1 55.000 I I I I I 68.000 I 66.374 I 64.748 I 68.000 mal thread 66.374 1 64.748 Remark: The basic profiles of threads are in accordance with JIS B 0202. However the basic dimensions and threads per inch are those of exclusive use for connections for fire department nozzle-ti
15、ps. Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/15/2007 20:53:33 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S B*13 72 m 4933b08 0025532 b m 4 B 9913-1972 F i
16、Q) P- Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/15/2007 20:53:33 MDTNo reproduction or networking permitted without license from IHS -,-,- aaunaalot 8 0 : InInW W E E ! rl O O O + .A g O a ,
17、O OD m 4 -3 O 2 O 43 O W O 2 O 2 O W _. 8 -3 ln N - 4 h I n v) n rl W a c, O z O v) v) W 1 . Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/15/2007 20:53:33 MDTNo reproduction or networking permit
18、ted without license from IHS -,-,- J I S B*9913 72 m 4933608 0025534 T m internai thread 6 B 9913-1972 dia- Nearly meter simple pitch diameter Appendix Plain plug gauge for working Plain plug gauge for inspection Limit Gauges for Threads of Connection of Fire Department Nozzle-Tips WM IM Table 10 1.
19、 This Appendix specifies the limit gauges to be used for the dimensional inspection (l) of threads of connections for the fire department nozzle-tips and gauges to be used for their checking. In the case where inspections for the flank of thread, shapes of crest and root, circularity of pitch diamet
20、er, surface roughness and other inspections are required, other measuring instruments shall be used. Note (l) 2. Types, Symbols, Shapes, Dimensions, Dimensional Deviations and Tolerances of Limit Gaupes for Screw Threads The types and symbols of the limit gauges for screw threads are given in Table
21、1, and the shapes, dimensions, dimensional deviations, hereinafter referred to as the “deviations“ and tolerances for the limit gauges are given in Tables 3 to 10, Table 1. Types and Symbols of Limit Gauges for Screw Threads Screw thread Items to be inspected inspected Virtual diameter 1 I pitch Nea
22、rly pitch diameter Pitch dia- External IA Virtual pitch Pitch Minor diameter I Type of limit gauge for screw thread No. of I 1 Table I GR 1 Table 3 GO screw ring gauge (common use for working and inspection) NOT GO screw ring gauge.for working I WR 1. Table 4 I I I IR I Table 5 NOT GO screw ring gau
23、ge for inspection IRound type I 1 1 ; 1 Plain caper gauge for working Flat type I l Table 6 1 Round type I 1:; 1 Plain calliper gauge for inspec tion Flat type I I I 1 GP I Table 7 GO screw plug gauge (common use for working and inspection) NOT GO screw plug gauge for working I . WP 1 Table 8 1 IP I
- 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:
- JIS 9913 1972 R1984 ENG
链接地址:https://www.31doc.com/p-3784065.html