BHMA A156 3-2014 EXIT DEVICES《安全门装置》.pdf

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1、 ANSI/BHMA A156.3-2014 Revision of ANSI/BHMA A156.3 2008 AMERICAN NATIONAL STANDARD FOR EXIT DEVICES SPONSOR BUILDERS HARDWARE MANUFACTURERS ASSOCIATION AMERICAN NATIONAL STANDARDS INSTITUTE Approved June 9, 2014 2 - AMERICAN NATIONAL STANDARD An American National Standard implies a consensus of tho

2、se substantially concerned with its scope and provisions. An American National Standard is intended as a guide to aid the manufacturer, the consumer and the general public. The existence of an American National Standard does not in any respect preclude anyone, whether they have approved the Standard

3、 or not, from manufacturing, marketing, purchasing, or using products, processed, or procedures not conforming to the Standard. American National Standards are subject to periodic review and users are cautioned to obtain the latest editions. CAUTION NOTICE: This American National Standard is permitt

4、ed to be revised or withdrawn at any time. The procedures of the American National Standards Institute require that action be taken to reaffirm, revise, or withdraw this standard no later than five years from the date of publication. Purchasers of American National Standards receive current informat

5、ion on all standards by calling or writing The American National Standards Institute. Published by BUILDERS HARDWARE MANUFACTURERS ASSOCIATION, INC. 355 Lexington Avenue, New York, New York, 10017 Copyright 2014 by the Builders Hardware Manufacturers Association, Inc. Not to be reproduced without s

6、pecific authorization from BHMA Printed in the USA This Standard was developed by the Builders Hardware Manufacturers Association, Inc. It was approved by ANSI under the Canvass Method. BHMA was accredited on 21 March 1983 as a sponsor using the Canvass Method. 3 FOREWORD (This Foreword is not a par

7、t of ANSI/BHMA A156.3) The general classification of builders hardware includes a wide variety of items which are divided into several categories. To recognize this diversity, a sectional classification system has been established. Exit devices is one such section and this Standard is the result of

8、the collective efforts of members of the Builders Hardware Manufacturers Association, Inc. who manufacture these products. The total Product Standards effort is therefore, a collection of sections, each covering a specific category of items. The BHMA recognized that errors will be found, items will

9、become obsolete, and new products, methods and materials will be developed. With this in mind, the Association plans to update, correct and revise these Standards on a regular basis. In most cases, products have been described in grade levels related to performance with Grade 1 being the highest rat

10、ing. Some products described are suitable for use according to conditions and are not graded. Grade classifications indicate levels only within their own product category. Choice of grade and specific product should be made on the basis of utility, aesthetics, security objectives and end use desired

11、. The BHMA numbers which indicate types and functions of hardware do not identify size, finish, material or design and are not intended to be used without necessary supplementary information. Users of this Standard are cautioned over the selection of exit devices to be installed on fire doors. Only

12、devices investigated for both fire and panic protection may be used. Labels employed by laboratories listing such devices bear the designation, “Fire Exit Hardware.“ Other devices, although suitable for many doors within a means of egress, may not be used with fire door assemblies. The fire door mus

13、t also bear a label containing the phrase, “Fire Door to be equipped with Fire Exit Hardware”. 4 TABLE OF CONTENTS 1. SCOPE 5 2. GENERAL 5 3. DEFINITIONS . 6 4. TYPES . 7 5. FUNCTIONS 7 6. AUXILIARY ITEMS . 8 7. TEST METHODS 9 8. INSIDE OPERATIONAL TESTS 10 9. OUTSIDE OPERATIONAL TESTS . 13 10. STRE

14、NGTH TESTS 14 11. MATERIAL EVALUATION TESTS 16 12. COORDINATOR AND CARRY-OPEN BAR TESTS 17 13. AUTOMATIC FLUSH BOLT TESTS 18 14. FINISH TESTS 18 APPENDIX A (NOT A PART OF ANSI/BHMA A156.3) . 20 APPENDIX B ILLUSTRATIONS OF EXIT DEVICE TYPES 21 APPENDIX C TEST FIXTURES 27 5 1. SCOPE 1.1 This standard

15、establishes requirements for exit devices and trim, automatic and self-latching flush bolts, removable mullions, coordinators, and carry-open bars. Performance criteria include cycle, operational, strength, material evaluation, and finish tests. Functions and types are described and numbered. 1.2 Te

16、sts described in this standard are performed under laboratory conditions. In actual usage, results vary because of installation, maintenance and environmental conditions. 2. GENERAL 2.1 All products certified to this standard shall be listed or labeled by a Nationally Recognized Testing Laboratory (

17、NRTL) and be subject to periodic examination service. 2.2 Exit devices are available in Grades 1, 2, and 3 with grade 1 being the highest grade. All are suitable for all classes of buildings and are based on the performance tests listed. A Grade 1 exit device shall be furnished with all Grade 1 trim

18、 and cylinders, when supplied, in order to retain an overall Grade 1 rating. A Grade 2 exit device shall be furnished with grade 2, or higher, trim and cylinder in order to retain an overall Grade 2 rating; and similarly for Grade 3 rating. 2.3 Door coordinators Type 21A are available in Grade 1 and

19、 2. Door coordinators Type 21B are available in Grade 2. Both Grades are suitable for all classes of buildings and are based on performance tests listed. 2.4 Carry-open bars are available in Grades 1 and 2. Both are suitable for all classes of buildings and are based on the performance test listed.

20、When coordinators are installed with carry-open bars, the Grade of the combination is the lower Grade of either component. 2.5 All exit devices shall meet the requirements and performance tests found in Underwriters Laboratories, Inc. Standard UL305 Panic Hardware 2012. 2.6 The cycling requirements

21、listed shall not be considered as being in addition to those required by UL305 but comprise the total required. 2.7 Values Required values in this Standard are given in US units. The SI (metric) equivalents are approximate. All values which do not carry specific tolerances or are not marked maximum

22、or minimum shall have the following tolerances: Linear dimensions shall be 1/16 in (1.6 mm). Pounds or pound force shall be 5%. Angular measurements shall be 4 degrees. Voltage measurements shall be 5 percent. Temperature measurements shall be 4 degrees F (2 degrees C). 2.8 For testing, other mechan

23、isms are permitted to be used in lieu of cylinders providing the test performance is equivalent to that of a cylinder. 2.9 Reference to ANSI Standards ANSI Standards are available from the American National Standards Institute, 11 W. 42nd Street, New York, NY 10036 or . 6 3. DEFINITIONS 3.1 Actuatin

24、g Bar The activating mechanism of an exit device is located on the egress side of a door and extends at least half the width of the door. The active surface of the actuating bar shall be visually and physically distinct from the rest of the device. Refer to local codes for location and length. Also

25、called cross bar or push pad. 3.2 Automatic Extension Flush Bolt A flush mounted locking device for the inactive leaf of a pair of doors. When the active leaf is opened, the inactive leaf is capable of being pushed open and when it closes, the bolt latches automatically by the closing of the active

26、leaf and is held latched by the closed active leaf. 3.3 Automatic Latching Two Point Bolts A surface or concealed mounted top and bottom locking device for the inactive leaf of a pair of doors. It is manually unlocked to open, but when the leaf is closed, the bolts latch automatically. 3.4 Auxiliary

27、 Dead Latch A lock component which, when actuated, automatically locks a projected latch against return by end pressure. 3.5 Coordinator holds open the active leaf of a pair of doors until the inactive leaf has preceded it in the closing cycle. 3.6 Carry-open bar pushes the active door beyond the co

28、ordinator hold-open position. 3.7 Dead Bolt A lock component which projects from and is withdrawn into, the lock case by action of the lock mechanism. When the door is closed and the dead bolt thrown, it extends into the strike, locks the door, and does not release with end pressure. 3.8 Dogging A f

29、eature used to retain the latch(s) in the released position, and holds the actuating bar in the depressed position. Activation is usually accomplished by hex key or cylinder. Mechanical dogging is not available on Fire Exit Hardware. 3.11 Exit Device 3.11.1 Panic Hardware A door latching assembly in

30、corporating an actuating member usually called an actuating bar which releases the latching or locking mechanisms upon the application of force in the direction of exit travel. 3.11.2 Fire Exit Hardware Panic Hardware which additionally provides fire protection when used as part of a fire door assem

31、bly. 3.12 Latch A device used to hold a door closed and requiring movement of an element before the door is released for opening. 3.13 Lock Front A plate fastened to the edge of a door through which the bolt(s) pass. 3.14 Mortise Exit Device An exit device with the lock mechanism installed into a mo

32、rtise provided in the edge of a door. Can be either Panic or Fire Exit Hardware. 3.15 Multi-point Exit Device An exit device, with a minimum of two latching or locking points. A multi-point exit device shall contain any combination of vertical or horizontal latching points or exit device types. Shal

33、l be either Panic or Fire Exit Hardware. 3.16 Outside Trim Trim is composed of both operating and non-operating decorative elements. 3.17 Removable Mullion A vertical member in an opening for a pair of doors permitting each door to latch independently. The removable mullion is not prohibited from be

34、ing removed to temporarily gain a larger clear opening width and replaced to restore the original door hardware operation. 3.18 Rim Exit Device An exit device with the latching mechanism applied to the face of a door. Shall be 7 either Panic or Fire Exit Hardware. 3.19 Strike A mortised or surface m

35、ounted plate fastened to the door frame into which the bolts project. 3.20 Turn The component that projects or releases a bolt or latch by turning. Sometimes called a turnpiece. 3.21 Unlatch To unfasten, disengage or retract a latch by movement of an element to release the door for opening. 3.22 Ver

36、tical Rod Exit Device An exit device with top, bottom or both, latching mechanisms, applied to the face of the door or concealed inside the door connected by rods to the actuating mechanism. Shall be either Panic or Fire Exit Hardware. 4. TYPES Type 1: Rim Exit Device Type 2: Surface Vertical Rod Ex

37、it Device Type 3: Mortise Exit Device Type 4: Narrow Stile Rim Exit Device Type 5: Narrow Stile Surface Vertical Rod Exit Device Type 6: Narrow Stile Concealed Vertical Rod Exit Device Type 7: Wood Door Concealed Vertical Rod Exit Device Type 8: Metal Door Concealed Vertical Rod Exit Device Type 9:

38、Multi-point Combination Rim and Surface Vertical Rod Exit Device Type 10: Narrow Stile Mortise Exit Device Type 11: Multi-point Combination Mortise and Surface Vertical Rod Exit Device Type 12 Multi-point Combination Mortise and Concealed Vertical Rod Exit Devices Type 21A: Door Coordinator with Ove

39、rride Feature Type 21B: Door Coordinator without Override Feature Type 22: Removable Mullion Type 23: Concealed Automatic Latching Two Point Bolts Type 24: Surface Automatic Latching Two Point Bolts Type 25: Automatic Extension Flush Bolt Set Type 26: Rim Paddle Device Type 28: Rim Exit Device incor

40、porating a Dead Bolt Types 1 through 12 are not prohibited from including a deadbolt in addition to, or in place of a latch by specifying suffix “D”. Types 2, 5, 6, 7, 8, 9, 11, 12 are not prohibited from including designs which are furnished without the bottom rod, commonly referred to as “less bot

41、tom rod”, and specified by the suffix “LBR”. See Appendix for illustrations of exit device types. 5. FUNCTIONS 5.1 In all functions, latchbolts and deadbolts, or deadbolts or latchbolts alone are released by depressing the actuating bar. Labeled Fire Exit Hardware shall comply with applicable buildi

42、ng codes. All functions are not available in all types of exit devices. Some functions are available with electrical or pneumatic operations in addition to mechanical operation. The basic function shall remain the same as described. Consult manufacturers catalog. 5.2 Outside Trim Function Descriptio

43、ns 01: Exit only, no trim or blank escutcheon. 02: Entrance by trim when actuating bar is locked down. 03: Entrance by trim when latch is released by key. Key removable only when locked. 8 04: Entrance by trim when latch is released by key or set in a retracted position by key. 05: Entrance by thumb

44、 piece. Key locks or unlocks thumb piece. 06: Entrance by thumb piece only when released by key. Key removable only when locked. 07: Entrance by thumb piece. Inside or outside key locks or unlocks thumb piece. Outside key releases latch. 08: Entrance by knob or lever. Key locks or unlocks knob or le

45、ver. 09: Entrance by knob or lever only when released by key. Key removable only when locked. 10: Entrance by knob or lever. Inside or outside key locks or unlocks knob or lever. Outside key releases latch. 11: Entrance by control turnpiece. Key locks or unlocks control. 12: Entrance by control turn

46、piece only when released by turning key. Key removable only when locked. 13: Entrance by key or combination lock. 14: Entrance by trim when latch is released by knob, lever,. Always active, no cylinder. 15: Entrance by trim when latch is released by thumb piece. Thumb piece always active, no cylinde

47、r. 16: Entrance by trim when latch is released by control turnpiece. Turnpiece always active, no cylinder. 17: Entrance by control turnpiece. Inside or outside key locks or unlocks turnpiece. Outside key releases latch. 6. AUXILIARY ITEMS 6.1 Door Coordinator and Carry-open Bar 6.1.1 A door coordina

48、tor is used for pairs of doors opening in the same direction and having an overlapping astragal(s), rabetted meeting edges, or other devices where a prescribed sequence of closing is required. 6.1.2 Carry-open bars shall be provided except when automatic or self-latching flush bolts are used on the

49、inactive leaf of a pair of doors thereby preventing the inactive leaf from being opened first. 6.1.3 Type 21A coordinator mechanisms shall have an internal override device to protect the active leaf of a pair of doors and its hinges or pivots from damage as a result of an abrupt or forced closing. The load to override is shall be pre-set at the factory, or adjusted or set in the field to compensate for various installation conditions. After an override, the mechanism shall automatically reset to normal operation the next

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