UL 1805-2002 UL Standard for Safety Laboratory Hoods and Cabinets (First Edition Reprint with Revisions Through and Including June 02 2006)《实验室防护罩和安全柜》.pdf

《UL 1805-2002 UL Standard for Safety Laboratory Hoods and Cabinets (First Edition Reprint with Revisions Through and Including June 02 2006)《实验室防护罩和安全柜》.pdf》由会员分享，可在线阅读，更多相关《UL 1805-2002 UL Standard for Safety Laboratory Hoods and Cabinets (First Edition Reprint with Revisions Through and Including June 02 2006)《实验室防护罩和安全柜》.pdf（28页珍藏版）》请在麦多课文档分享上搜索。

1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULUL 1805ISBN 0-7629-0775-4Laboratory Hoods andCabinetsUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULUL COPYRIGHTED MATERIAL NOT AUTHORIZE

2、D FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULUnderwriters Laboratories Inc. (UL)333 Pfingsten RoadNorthbrook, IL 60062-2096UL Standard for Safety for Laboratory Hoods and Cabinets, UL 1805First Edition, Dated June 7, 2002Revisions: This Standard contains revisions through and

3、including June 2, 2006.Summary of TopicsRevisions are being issued to replace the term light fixture with the term luminaire.UL Standards for Safety are developed and maintained in the Standard Generalized Markup Language(SGML). SGML - an international standard (ISO 8879-1986) - is a descriptive mar

4、kup language thatdescribes a documents structure and purpose, rather than its physical appearance on a page. Due toformatting differences resulting from the use of ULs new electronic publishing system, please note thatadditional pages (on which no requirements have been changed) may be included in r

5、evision pages dueto relocation of existing text and reformatting of the Standard.Text that has been changed in any manner is marked with a vertical line in the margin. Changes inrequirements are marked with a vertical line in the margin and are followed by an effective date noteindicating the date o

6、f publication or the date on which the changed requirement becomes effective.The revised requirements are substantially in accordance with ULs Bulletin(s) on this subject datedFebruary 10, 2006. The bulletin(s) is now obsolete and may be discarded.The UL Foreword is no longer located within the UL S

7、tandard. For information concerning the use andapplication of the requirements contained in this Standard, the current version of the UL Foreword islocated on ULStandardsInfoNet at: http:/ master for this Standard at ULs Northbrook Office is the official document insofar as it relates to aUL service

8、 and the compliance of a product with respect to the requirements for that product and service,or if there are questions regarding the accuracy of this Standard.ULs Standards for Safety are copyrighted by UL. Neither a printed copy of a Standard, nor the distributiondiskette for a Standard-on-Disket

9、te and the file for the Standard on the distribution diskette should bealtered in any way. All of ULs Standards and all copyrights, ownerships, and rights regarding thoseStandards shall remain the sole and exclusive property of UL.All rights reserved. No part of this publication may be reproduced, s

10、tored in a retrieval system, ortransmitted in any form by any means, electronic, mechanical photocopying, recording, or otherwisewithout prior permission of UL.Revisions of UL Standards for Safety are issued from time to time. A UL Standard for Safety is currentonly if it incorporates the most recen

11、tly adopted revisions.UL provides this Standard as is without warranty of any kind, either expressed or implied, including butnot limited to, the implied warranties of merchantability or fitness for any purpose.JUNE 2, 2006 UL 1805 tr1UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION O

12、RDISTRIBUTION WITHOUT PERMISSION FROM ULIn no event will UL be liable for any special, incidental, consequential, indirect or similar damages,including loss of profits, lost savings, loss of data, or any other damages arising out of the use of or theinability to use this Standard, even if UL or an a

13、uthorized UL representative has been advised of thepossibility of such damage. In no event shall ULs liability for any damage ever exceed the price paid forthis Standard, regardless of the form of the claim.UL will attempt to answer support requests concerning electronic versions of its Standards. H

14、owever, thissupport service is offered on a reasonable efforts basis only, and UL may not be able to resolve everysupport request. UL supports the electronic versions of its Standards only if they are used under theconditions and operating systems for which it is intended. ULs support policies may c

15、hange fromtime-to-time without notification.UL reserves the right to change the format, presentation, file types and formats, delivery methods andformats, and the like of both its printed and electronic Standards without prior notice.Purchasers of the electronic versions of ULs Standards for Safety

16、agree to defend, indemnify, and holdUL harmless from and against any loss, expense, liability, damage, claim, or judgement (includingreasonable attorneys fees) resulting from any error or deviation introduced while purchaser is storing anelectronic Standard on the purchasers computer system.If a sin

17、gle-user version electronic Standard was purchased, one copy of this Standard may be stored onthe hard disk of a single personal computer, or on a single LAN file-server or the permanent storagedevice of a multiple-user computer in such a manner that this Standard may only be accessed by one userat

18、a time and for which there is no possibility of multiple concurrent access.If a multiple-user version electronic Standard was purchased, one copy of the Standard may be stored ona single LAN file-server, or on the permanent storage device of a multiple-user computer, or on an Intranetserver. The num

19、ber of concurrent users shall not exceed the number of users authorized.Electronic Standards are intended for on-line use, such as for viewing the requirements of a Standard,conducting a word search, and the like. Only one copy of the Standard may be printed from eachsingle-user version of an electr

20、onic Standard. Only one copy of the Standard may be printed for eachauthorized user of a multiple-user version of an electronic Standard. Because of differences in thecomputer/software/printer setup used by UL and those of electronic Standards purchasers, the printedcopy obtained by a purchaser may

21、not look exactly like the on-line screen view or the printed Standard.An employee of an organization purchasing a UL Standard can make a copy of the page or pages beingviewed for their own fair and/or practical internal use.The requirements in this Standard are now in effect, except for those paragr

22、aphs, sections, tables, figures,and/or other elements of the Standard having future effective dates as indicated in the note following theaffected item. The prior text for requirements that have been revised and that have a future effective dateare located after the Standard, and are preceded by a S

23、UPERSEDED REQUIREMENTS notice.New product submittals made prior to a specified future effective date will be judged under all of therequirements in this Standard including those requirements with a specified future effective date, unlessthe applicant specifically requests that the product be judged

24、under the current requirements. However, ifthe applicant elects this option, it should be noted that compliance with all the requirements in thisStandard will be required as a condition of continued Listing, Classification and Follow-Up Services afterthe effective date, and understanding of this sho

25、uld be signified in writing.Copyright 2006 Underwriters Laboratories Inc.JUNE 2, 2006 UL 1805tr2UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULThis Standard consists of pages dated as shown in the following checklist:Page Date1-3 June 2, 2006

26、4-5 June 7, 20026June 2, 20067-11 .June 7, 200212-12B.June 2, 200613-20 June 7, 2002JUNE 2, 2006 UL 1805 tr3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULJUNE 2, 2006 UL 1805tr4No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR F

27、URTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULJUNE 7, 2002(Title Page Reprinted: June 2, 2006)1UL 1805Standard for Laboratory Hoods and CabinetsFirst EditionJune 7, 2002An effective date included as a note immediately following certain requirementsis one established by Underwriters La

28、boratories Inc.Revisions of this Standard will be made by issuing revised or additional pagesbearing their date of issue. A UL Standard is current only if it incorporates themost recently adopted revisions, all of which are itemized on the transmittal noticethat accompanies the latest set of revised

29、 requirements.ISBN 0-7629-0775-4COPYRIGHT 2002, 2006 UNDERWRITERS LABORATORIES INC.UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULJUNE 2, 2006LABORATORY HOODS AND CABINETS - UL 18052No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED F

30、OR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULCONTENTSINTRODUCTION1 Scope .72 Glossary .73 General 93.1 Units of measurement .93.2 Components .93.3 References 94 Installation and Operating Instructions 10CONSTRUCTION5 General .105.1 Flammability 105.2 Corrosion protection .115.3 C

31、hemical resistance .116 Sash .117 Bypass .118 Work Surface 119 Baffles 1210 Hood Exhaust 1211 Hood Blower .1212 Electrical Devices .1213 Utilities 1213.1 Service fixture controls and outlets .12PERFORMANCE14 Small Flame Impingement Test .1314.1 General .1314.2 Apparatus .1314.3 Test method .1415 Che

32、mical Resistance Test .1415.1 General .1415.2 Test specimens 1415.3 Specimen conditioning 1515.4 Specimen testing .1516 Resistance to Impact 1516.1 Sash glazing material .1516.2 Sash frame and track .1616.3 Bypass grille and interior walls .1616.4 Work surface 1617 Air Flow Tests 1717.1 Test samples

33、 1717.2 Test conditions .1717.3 Apparatus .1717.4 Face velocity profile 1817.5 Downflow velocity profile 18JUNE 2, 2006 LABORATORY HOODS AND CABINETS - UL 1805 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL17.6 Baffle restriction 1917.7 Air

34、 flow direction .19MARKING18 General 19JUNE 7, 2002LABORATORY HOODS AND CABINETS - UL 18054UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULJUNE 7, 2002 LABORATORY HOODS AND CABINETS - UL 1805 5No Text on This PageUL COPYRIGHTED MATERIAL NOT AU

35、THORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULThis page intentionally left blank.JUNE 2, 2006LABORATORY HOODS AND CABINETS - UL 18056UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULINTRODUCTION1 Scope1.1 These requ

36、irements apply to laboratory hoods and cabinets intended to provide an enclosedcountertop work area with exhaust for containment and removal of vapors, mists, gases, and particulatematter from the work area.1.2 These requirements do not cover ductless hoods (i.e., hoods that recirculate air back to

37、roomenvironment after filtering) or gloveboxes.1.3 These products are investigated for fire, electrical and mechanical risk of injuries only. A limitednumber of tests are conducted for minimal air flow capability. It remains for the user to determine that thehood performance, as confirmed by the req

38、uirements in this standard, meets the needs of the user. Theseneeds depend on several factors, including installation with proper exhaust equipment, location within theroom, the type of material being handled and the method in which the material is being handled. Also,suitability for use with perchl

39、oric acid or radiological materials is not investigated.1.4 Requirements for the installation of laboratory hoods are included in the Standard for Fire Protectionfor Laboratories Using Chemicals, NFPA 45 and in the Method of Testing Performance of LaboratoryFume Hoods, ASHRAE 110.1.5 Requirements fo

40、r the installation of piped gas systems are contained in the following standards:a) National Fuel Gas Code, NFPA 54,b) Liquefied Petroleum Gas Code, NFPA 58,c) Gaseous Hydrogen Systems at Consumer Sites, NFPA 50A,d) Design and Installation of Oxygen-Fuel Gas Systems for Welding, Cutting, and AlliedP

41、rocesses, NFPA 51.2 Glossary2.1 For the purpose of this Standard, the following definitions apply:2.2 AUXILIARY AIR Supplemental air delivered to a laboratory hood to reduce room air consumption.2.3 AUXILIARY AIR HOOD A laboratory hood with an external air plenum at the top of the laboratoryhood. Th

42、e auxiliary air plenum provides a makeup air stream compromised of unconditioned or onlyminimally conditioned outside air to substantially reduce the amount of conditioned room air exhaustedby the lab hood.2.4 BAFFLE A panel or panels located at the rear of the hood interior which aid in distributin

43、g theflow pattern of air moving into and through the hood.2.5 BIOLOGICAL SAFETY CABINET An enclosed countertop work area for handling andcontainment of biological materials. A cabinet also intended to serve as a laboratory hood shall meetthe requirements for laboratory hoods.2.6 BYPASS An airflow-co

44、mpensating opening that maintains a relatively constant volume exhaustthrough a laboratory hood regardless of sash position.JUNE 7, 2002 LABORATORY HOODS AND CABINETS - UL 1805 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL2.7 CAPTURE VELOC

45、ITY The air velocity, at a point in space of sufficient magnitude to overcomeroom air current and draw the air and any contaminants at that point into the hood.2.8 CFM Cubic foot per minute.2.9 COMBINATION SASH A sash that has a protective shield that moves vertically, containing two ormore transpar

46、ent panels, which slide horizontally.2.10 DUCTLESS HOOD A lab hood that is not connected to an exhaust system which discharges thelab hoods exhaust outdoors. Rather, a ductless lab hood incorporates an exhaust fan and air as anintegral part of the lab hood and discharges the exhaust directly into th

47、e room.2.11 EXHAUST AIR The air that is removed from an enclosed space and discharged to theatmosphere.2.12 FACE (OF HOOD) The hood opening or the plane of the inside surface of the sash.2.13 FACE VELOCITY The air velocity at the plane of and perpendicular to the opening of anexhaust hood.2.14 FPM F

48、eet per minute.2.15 GLOVEBOX A controlled environment work enclosure providing a primary barrier from the workarea. The operations are performed through sealed gloved openings, to protect the user, theenvironment and/or the product.2.16 HORIZONTAL SASH A moveable panel or panels set in the hood entr

49、ance used to form aprotective shield that is only able to be moved from side to side.2.17 HOOD INTERIOR Includes the walls, ceiling, baffles, sash, and work surface.2.18 LABORATORY HOOD An enclosed countertop work area with a sash or sashes that movevertically and/or horizontally to close the opening. Laboratory hoods need to be provided with anexhaust to remove vapors, mists, gases, and particulate matter from the work area. Adjustable or fixedinternal baffles may be p