1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL 437 Key LocksUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM ULUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DIST
2、RIBUTION WITHOUT PERMISSION FROM UL UL Standard for Safety for Key Locks, UL 437 Eighth Edition, Dated May 15, 2013 Summary of Topics This new edition of ANSI/UL 437 includes Lock Bumping Test requirements added in 3.2, 3.3, 3.4, 3.5, 3.6, 3.7, 3.8, 11.2.5, 11.6.2, 11.7, 11.7.1, 11.7.2, 11.8.2, and
3、Table 11.1. The new and revised requirements are substantially in accordance with Proposal(s) on this subject dated May 11, 2012 and August 3, 2012. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form by any means, electronic,
4、mechanical photocopying, recording, or otherwise without prior permission of UL. UL provides this Standard as is without warranty of any kind, either expressed or implied, including but not limited to, the implied warranties of merchantability or tness for any purpose. In no event will UL be liable
5、for any special, incidental, consequential, indirect or similar damages, including loss of prots, lost savings, loss of data, or any other damages arising out of the use of or the inability to use this Standard, even if UL or an authorized UL representative has been advised of the possibility of suc
6、h damage. In no event shall ULs liability for any damage ever exceed the price paid for this Standard, regardless of the form of the claim. Users of the electronic versions of ULs Standards for Safety agree to defend, indemnify, and hold UL harmless from and against any loss, expense, liability, dam
7、age, claim, or judgment (including reasonable attorneys fees) resulting from any error or deviation introduced while purchaser is storing an electronic Standard on the purchasers computer system. The requirements in this Standard are now in effect, except for those paragraphs, sections, tables, gure
8、s, and/or other elements of the Standard having future effective dates as indicated in the note following the affected item. The prior text for requirements that have been revised and that have a future effective date are located after the Standard, and are preceded by a SUPERSEDED REQUIREMENTS noti
9、ce. The following table lists the future effective dates with the corresponding reference. MAY 15, 2013 UL 437 tr1UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Future Effective Dates References November 16, 2015 Paragraphs 3.2, 3.3, 3.4, 3
10、.5, 3.6, 3.7, 3.8, 11.2.5, 11.6.2, 11.7, 11.7.1, 11.7.2, 11.8.2, Table 11.1 MAY 15, 2013 UL 437 tr2UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL May 15, 2013 1 UL 437 Standard for Key Locks First Edition December, 1953 Second Edition May,
11、1973 Third Edition January, 1975 Fourth Edition September, 1979 Fifth Edition February, 1986 Sixth Edition November, 1994 Seventh Edition August, 2000 Eighth Edition May 15, 2013 This ANSI/UL Standard for Safety consists of the Eighth Edition. The most recent designation of ANSI/UL 437 as an America
12、n National Standard (ANSI) occurred on May 15, 2013. ANSI approval for a standard does not include the Cover Page, Transmittal Pages, Title Page, or effective date information. Comments or proposals for revisions on any part of the Standard may be submitted to UL at any time. Proposals should be sub
13、mitted via a Proposal Request in ULs On-Line Collaborative Standards Development System (CSDS) at http:/. ULs Standards for Safety are copyrighted by UL. Neither a printed nor electronic copy of a Standard should be altered in any way. All of ULs Standards and all copyrights, ownerships, and rights
14、regarding those Standards shall remain the sole and exclusive property of UL. COPYRIGHT 2013 UNDERWRITERS LABORATORIES INC. ANSI/UL 437-2013UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL MAY 15, 2013 KEY LOCKS - UL 437 2 No Text on This Pag
15、eUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL CONTENTS INTRODUCTION 1 Scope .4 2 General 4 2.1 Components .4 2.2 Units of measurement .5 2.3 Undated references .5 2.4 Terminology .5 3 Glossary .5 4 Installation and Operating Instructions
16、.6 CONSTRUCTION 5 General 6 6 Nonmetallic Parts .6 7 Corrosion Protection .7 8 Key Changes .7 9 Security Container Key Locks Type 1 and Type 2 .7 PERFORMANCE 10 Endurance Test 8 11 Attack Resistance Tests 8 11.1 General 8 11.2 Tools 8 11.3 Test samples .9 11.4 Test installation .9 11.5 Test applicab
17、ility and time 9 11.6 Picking test 10 11.7 Lock bumping test 11.7 effective November 16, 2015 . 1 0 11.8 Impression test 10 11.9 Forcing test 10 11.10 Drilling test .11 11.11 Sawing test .11 11.12 Prying test .11 11.13 Pulling test .11 11.14 Driving test .11 12 Salt Spray Corrosion Test .11 13 Polym
18、eric Materials Tests 12 13.1 Strength .12 13.2 Aging-stress distortion 12 13.3 Moisture absorption .13 MARKINGS 14 General 13 MAY 15, 2013 KEY LOCKS - UL 437 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL INTRODUCTION 1 Scope 1.1 These req
19、uirements cover key locks categorized as follows and dened in Glossary, Section 3: a) Cabinet locking cylinders, b) Door locks, c) Locking cylinders, d) Security container key locks, Type 1 and Type 2, and e) Two-key locks. 1.2 A product that contains features, characteristics, components, materials
20、, or systems new or different from those covered by the requirements in this standard, and that involves a risk of re or of electric shock or injury to persons shall be evaluated using appropriate additional component and end-product requirements to maintain the level of safety as originally anticip
21、ated by the intent of this standard. A product whose features, characteristics, components, materials, or systems conict with specic requirements or provisions of this standard does not comply with this standard. Revision of requirements shall be proposed and adopted in conformance with the methods
22、employed for development, revision, and implementation of this standard. 2 General 2.1 Components 2.1.1 Except as indicated in 2.1.2, a component of a product covered by this standard shall comply with the requirements for that component. 2.1.2 A component is not required to comply with a specic req
23、uirement that: a) Involves a feature or characteristic not required in the application of the component in the product covered by this standard, or b) Is superseded by a requirement in this standard. 2.1.3 A component shall be used in accordance with its rating established for the intended condition
24、s of use. 2.1.4 Specic components are incomplete in construction features or restricted in performance capabilities. Such components are intended for use only under limited conditions, such as certain temperatures not exceeding specied limits, and shall be used only under those specic conditions. MA
25、Y 15, 2013 KEY LOCKS - UL 437 4UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 2.2 Units of measurement 2.2.1 Values stated without parentheses are the requirement. Values in parentheses are explanatory or approximate information. 2.3 Undate
26、d references 2.3.1 Any undated reference to a code or standard appearing in the requirements of this standard shall be interpreted as referring to the latest edition of that code or standard. 2.4 Terminology 2.4.1 The term product refers to any type of lock or lock component covered by this standard
27、. 3 Glossary 3.1 For the purpose of this standard, the following denitions apply. 3.2 BUMP KEY A lock picking key often with uniform steeples between cuts, or a key often cut to the manufacturers deepest depth of cut for each detainer (pin, disk, wafer, etc.) position, that is forced further into th
28、e lock cylinder via intentional impact. The transmission of energy from the bump key causes vertical movement of the detainers to cause a momentary break at the locks shear line. 3.2 effective November 16, 2015 3.3 CABINET LOCKING CYLINDER A key cylinder for use in cabinets, drawers, and the like to
29、 resist unauthorized opening by picking methods, impression techniques, forcing methods, pulling, lock bumping, or drilling the cylinder. 3.3 effective November 16, 2015 3.4 DOOR LOCK A locking assembly of the rim or mortise type for use on doors of stores, buildings, residences, and the like to res
30、ist unauthorized opening by jimmying the door, picking, impression techniques, lock bumping, or drilling the locking cylinder or assembly, sawing or drilling the lock bolt, pulling the lock cylinder, or other method involving the use of small hand tools. 3.4 effective November 16, 2015 3.5 LOCK BUMP
31、ING A picking technique that utilizes a congured key forcefully impacted into the keyway. 3.5 effective November 16, 2015 3.6 LOCKING CYLINDER A key cylinder for use in door locks, alarm control switches, alarm shunt switches, utility locks, and the like to resist unauthorized opening by picking met
32、hods, impression techniques, lock bumping, forcing methods, pulling, or drilling the cylinder. 3.6 effective November 16, 2015 3.7 SECURITY CONTAINER KEY LOCK A lock constructed for use on collection safes, key locked safes, and similar containers to resist unauthorized opening by picking, impressio
33、n techniques, drilling, pulling, punching , lock bumping, or forcing methods. 3.7 effective November 16, 2015 MAY 15, 2013 KEY LOCKS - UL 437 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 3.8 TWO-KEY LOCK A two-key, plate tumbler type loc
34、k constructed for use on safe deposit boxes, collection safes, and the like to resist unauthorized opening by picking, impressioning, lock bumping, or forcing methods. 3.8 effective November 16, 2015 4 Installation and Operating Instructions 4.1 A copy or draft of the installation and operating inst
35、ructions intended to accompany each product or component, or equivalent information, is to be provided and used as a guide in the examination and test of the product or component. 4.2 The instructions shall include such directions and information as deemed by the manufacturer to be necessary for ins
36、tallation, operation, maintenance, and use of the product. CONSTRUCTION 5 General 5.1 The product shall be constructed so that it will operate when the intended key or keys are used. 5.2 The product shall be constructed for installation in a position or location that does not reduce the burglary res
37、istant qualities. 5.3 The various parts shall be manufactured and assembled to maintain uniformity, particularly with regard to key bittings and tolerances. 5.4 Complete drawings of the construction of the product and specications of material are to be provided for product investigation. 6 Nonmetall
38、ic Parts 6.1 Factors to be taken into consideration when evaluating the acceptability of nonmetallic parts are resistance to mechanical damage, resistance to impact, moisture absorption, and distortion at the temperature to which the material may be subjected under conditions of normal or abnormal u
39、se. See Polymeric Materials Tests, Section 13. MAY 15, 2013 KEY LOCKS - UL 437 6UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 7 Corrosion Protection 7.1 All working parts of a lock mechanism shall be constructed of brass, bronze, stainless
40、 steel, or corrosion-resistant materials that have been determined to be equivalent, or shall have a protective nish complying with the Salt Spray Corrosion Test, Section 12. 8 Key Changes 8.1 For door locks and locking cylinders, there shall be at least 1000 key changes for a design. For security c
41、ontainer key locks, there shall be at least one million key changes for a design. For two-key locks, there shall be at least 64 guard key changes, and at least 15,000 customer key changes for a design. 8.2 Data supporting a manufacturers specication of the number of key changes, as well as a key cha
42、rt showing the range of key cuts or bittings used in production, is to be furnished. 8.3 Table 8.1 shows the number of key changes related to key cuts and tumblers, wheels, levers, or pins. Table 8.1 Key changes Number of key cuts per tumbler, wheel, lever, or pin Number of tumblers, wheels, levers,
43、 or pins 12345678 111111111 2 2 4 8 16 32 64 128 256 3 3 9 27 81 243 729 2,187 6,561 4 4 16 64 256 1,024 4,096 16,384 65,536 5 5 25 125 625 3,125 15,625 78,125 390,625 6 6 36 216 1296 7,776 46,656 279,936 1,679,616 7 7 49 343 2401 16,807 117,649 823,543 5,764,801 8 8 64 512 4096 32,768 262,144 2,097
44、,152 16,777,216 9 Security Container Key Locks Type 1 and Type 2 9.1 The key of a security container key lock shall be eld changeable. 9.2 The bolt lever shall t snugly on its post and shall be secured tightly. The fence face shall be perpendicular to the plane of the tumblers. 9.3 In a tumbler whee
45、l design lock the clearance between the fence face and the tumbler wheels shall not be less than 0.025 inch (0.64 mm) when the bolt lever is raised by means of a driver cam, and not less than 0.015 inch (0.38 mm) when the bolt lever is raised by means other than a driver cam. 9.4 The wheels, tumbler
46、s, levers, or pins shall run true, and be at right angles to their mounting post. MAY 15, 2013 KEY LOCKS - UL 437 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 9.5 The lock shall be provided with means that immobilizes the lock bolt if th
47、e lock is punched or pulled. 9.6 The lock shall not open by using a key that is more than one key cut depth on either side of the design key cut depth for one of the tumblers, wheels, levers, or pins. PERFORMANCE 10 Endurance Test 10.1 A product shall operate as intended during 10,000 complete cycle
48、s of operation at a rate not exceeding 50 cycles per minute. 10.2 A product having a changeable core or eld-changeable key design shall operate as intended after each of 50 changes of the core or key. 11 Attack Resistance Tests 11.1 General 11.1.1 A product shall not open or be compromised as a resu
49、lt of application of the tools and methods described in this section. 11.1.2 The methods used to test the product can be a combination of methods and need not be limited to one technique or method. 11.1.3 Other test methods may be used if the construction and the security features of a product are not specically covered by other test requirements. 11.2 Tools 11.2.1 Tools used for these tests are to include any common hand tools, hand or portable electric tools, drills, saw blades, pu
