JIS-Z-4808-2002-R2007-ENG.pdf
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1、J IS JAPANESE I N DUSTR IAL STANDARD Translated and Published by Japanese Standards Association Glove box for handling of radioactive substance ICs 13.280; 27.120.30 Reference number : JIS 2 4808 : 2002 (E) PROTECTED BY COPYRIGHT 9s Copyright Japanese Standards Association Provided by IHS under lice
2、nse with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/14/2007 22:39:53 MDTNo reproduction or networking permitted without license from IHS -,-,- Z 4808 : 2002 Foreword This translation has been made based on the original Japanese Industrial Standard revised by the Minis
3、ter of Economy, Trade and Industry through deliberations at the Japanese Industrial Standards Committee in accordance with the Industrial Standardization Law. Consequently, JIS Z 4808 : 1975 is replaced with JIS Z 4808 : 2002. Date of Establishment: 1960-05-01 Date of Revision: 2002-04-20 Date of Pu
4、blic Notice in Official Gazette: 2002-04-22 Investigated by: Japanese Industrial Standards Committee Standards Board Technical Committee on Protective Equipment for Occupational Safety TIS Z 4808 : 2002, First English edition published in 2003-08 Translated and published by: Japanese Standards Assoc
5、iation 4-1-24, Akasaka, Minato-ku, Tokyo, 107-8440 JAPAN In the event of any doubts arising as to the contents, the original JIS is to be the final authority. O JSA 2003 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any m
6、eans, electronic or mechanical, including photocopying and microfilm, without permission in writing from the publisher. Printed in Japan PROTECTED BY COPYRIGHT Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for
7、Resale, 03/14/2007 22:39:53 MDTNo reproduction or networking permitted without license from IHS -,-,- 2 4808 : 2002 Contents Page Introduction . 1 2 3 4 5 5.1 5.2 5.3 6 6.1 6.2 6.3 6.4 6.5 7 7.1 7.2 7.3 7.4 7.5 7.6 7.7 7.8 7.9 Scope Normative references Definitions Type and class . Performance Air l
8、eakage Exhaust capacity Electrical insulating resistance . Material . Main body Window plate Gasket Glove Glove port Structure in general Main body . Air supply and exhaust opening . High performance air filter . Window plate Glove port Glove Frame . Carrying out and taking in opening Exhaust system
9、 1 1 1 1 2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 3 3 4 4 4 4 PROTECTED BY COPWIGHT Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/14/2007 22:39:53 MDTNo reproduction or networking permitted without license
10、from IHS -,-,- Z 4808 : 2002 7.10 7.11 7.12 7.13 7.14 7.15 7.16 8 8.1 8.2 8.3 8.4 8.5 9 10 11 12 Connector Utility pipe arrangement . Lighting system . Plug receptacle and switch Indicator Shielding body Quenching devices . Tests . Test items . Structure test . Air leakage test Exhaust capacity test
11、 . Electrical insulating resistance test Inspection Designation of products Marking . Instructions for use . Related standards . Annex 1 (informative) Comparison table between JIS and corresponding International Standard . 4 4 4 4 4 4 4 6 6 6 6 6 6 6 6 7 7 8 9 (ii) PROTECTED BY COPYRIGHT Copyright J
12、apanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/14/2007 22:39:53 MDTNo reproduction or networking permitted without license from IHS -,-,- JAPANESE INDUSTRIAL STANDARD JIS 2 4808 : 2002 Glove box for handling
13、 of radioactive substance Introduction This Japanese Industrial Standard has been prepared based on IS0 10648-2 Containment enclosures-Part 2 : Classification according to leak tightness and associated checking methods issued in 1994 with modifying some part of the technical contents. Portions sidel
14、ined or underlined with dots are the matters which the original In- ternational Standard is modified. A list of modification is given in Annex with ex- planations. 1 Scope This Standard specifies the glove box used for confining the radioactive substance for the protection of operators and working e
15、nvironment in a business place wherein the radioactive substances are treated. Remarks : The International Standard corresponding to this Standard is as fol- lows. In addition, symbols which denote the degree of correspondence in the contents between the relevant International Standard and JIS are I
16、DT (identical), MOD (modified), and NEQ (not equivalent) ac- cording to ISODEC Guide 21. IS0 10648-2 : 1994 Containment enclosures-Part 2 : Classification ac- cording to leak tightness and associated check- ing methods (MOD) 2 Normative references The following standards contain provisions which, th
17、rough reference in this Standard, constitute provisions of this Standard. The most recent edition of the standards (including amendments) indicated below shall be applied. JIS Z 4001 Glossary of terms used in nuclear energy JIS Z 4812 JIS Z 4820 HEPA filters for radioactive aerosols Test method for
18、leakage of glove boxes 3 Definitions 4001 and the following apply. a) For the main terms used in this Standard, the definitions in JIS Z glove box for handling of radioactive substance A box-type apparatus to which a window, a glove and others are fitted so that radioactive substance can be treated
19、in an isolated state to prevent radioactive contamination and radia- tion exposure. radioactive substance Radioactive isotope and nuclear fuel material and those contaminated therewith. b) c leak rate It express the airtightness of a glove box quantitatively, which means the rate wherein air in the
20、glove box leaks per time. PROTECTED BY COPYRIGHT Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/14/2007 22:39:53 MDTNo reproduction or networking permitted without license from IHS -,-,- 2 Z 4808
21、: 2002 Form I Type I d) negative pressure lower than the ambient pressure. exhaust capacity A pressure state wherein a pressure in the glove box is e) Capacity for exhausting the inside of a glove box. Remarks 4 Type and class The types and classes of glove boxes are shown in Table 1 and Table 2. Ty
22、pe 1 Exhaust system packaged type An exhaust system is affixed to the glove box main body . Type 2 Exhaust system separated type Those except type 1 . I Table 2 Class of glove box Class 1 Class 2 Class 3 1 Class I Leak rate 1 Remarks I -i 0.25 vol %/h s 1.0 vol %/h I 10 vol %/h A glove box treating
23、a great amount of radioactive substance A glove box treating a medium amount of radioactive substance A glove box treating a small amount of radioactive substance 5 Performance A glove box shall have the following performances. 5 . 1 satisfied according to the class. Air leakage When tested by 8.3,
24、the leakage rate given in Table 2 shall be 5 . 2 shall satisfy the following requirements. a) Exhaust capacity When tested by 8.4, the exhaust capacity of a glove box A gas volume necessary for keeping 20.5 m/s of passing wind velocity at an opening part when one glove port is opened. A gas volume n
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