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BS EN 12209: 2003/AC:2005 Locks and latches grades

Views:0     Author:D&D Hardware     Publish Time: 2021-08-12      Origin:D&D Hardware

BS EN 12209: 2003/AC:2005 Locks and latches grades

BS EN 12209 classifies mechanically operated locks, latches and locking plates using an 11 digit coding system. This has proved necessary in order to provide a proper assessment of all the varied features of products for specific markets within Europe. It should be noted that to avoid a greater proliferation of boxes, certain features have been “doubled up”: e.g. durability and durability with side load; door mass and closing force; corrosion resistance and temperature resistance. The system is comprehensive but it has led to the use of letters (rather than numbers) in certain boxes, since there can only be one digit in each classification box. A similar classification system applies to all building hardware product standards (at least for the first 7 boxes) to aid meaningful comparisons with related products.

 

fire doorDigit 1 Category of use
Three categories of use are identified:
- grade 1: low frequency of use by people with a high incentive to exercise care and a small chance of misuse, e.g. internal residential doors
- grade 2: medium frequency of use by people with some incentive to exercise care but where there is some chance of misuse, e.g. internal office doors
- grade 3: high frequency of use by public or others with little incentive to exercise care and with a high chance of misuse, e.g. public doors


timeDigit 2 Durability
Twelve grades are identified with minimum figures for deadbolt and snib operation, and latch bolt operation with and without side load, as shown. The side load is applied to the latch bolt when it is being withdrawn

durability for lock 


kgDigit 3 Door mass and closing force
Nine grades are identified with maximum figures for closing force at various door masses as shown.
Note: closing force is from a standing start: i.e. fully extended latch bolt in contact with striking plate at start of test

Door mass and closing force for lock 

 


fireDigit 4 Fire resistance
Two grades are identified: -
– grade 0: not approved for use on fire/smoke door assemblies
- grade 1: suitable for use on fire/smoke door assemblies tested to EN 1634-1 etc.
Note 1. A grade 1 classification means only that the lock has been designed for use on fire/smoke control doors; the actual fire performance achieved (e.g. fire integrity of 30 minutes on a partially glazed timber door etc.) will be contained in a separate fire test report.
Note 2. Where a product is intended for fire/smoke door use (i.e. a “1” in box 4), it must be possible to
demonstrate compliance with the Essential Requirements of the Construction Products (Amendments) Regulations. It is recommended that the product should bear the CE mark (see section on CE marking).

 

health careDigit 5 Safety
No requirement, but note: a lock or latch conforming to this standard can, at the same time, also be part of an exit device conforming to EN 179 or EN 1125.


corrosionDigit 6 Corrosion resistance
Eight grades are identified with neutral salt-spray (NSS) corrosion resistance grades from EN 1670:1998, with and without temperature resistance as shown: -

Corrosion resistance for lock


lockDigit 7 Security and drill resistance
Seven grades are identified with minimum figures for requirements relating to physical attack, with or without drilling of the lock-case, as shown: -

Security and drill resistance for lock 

 

 


Field of door applicationDigit 8 Field of door application
Fifteen grades are identified for differing applications – hinged or sliding doors with rim or mortice locks with either key-less egress from inside or key locking from both sides. The grading determines which application is appropriate. In addition, there is a requirement that lock/latch should not be removable from outside or, for grades K to R, from inside using “standard” tools.
Grades H and P require support for the lock-case when installed.

 

Type of key operation and lockingDigit 9 Type of key operation and locking
Nine grades are identified for differing types of key operation. The grading determines how the lock is
assessed for deadlocking requirement as shown. In addition, there is a maximum key torque operating
requirement of 1.5 Nm and a minimum key strength requirement of 2.5 Nm:-
- grade 0: not applicable;
- grade A: cylinder lock or latch; manually locking;
- grade B: cylinder lock or latch; automatically locking;
- grade C: cylinder lock or latch; manually locking with intermediate locking;
- grade D: lever lock or latch; manually locking;
- grade E: lever lock or latch; automatically locking;
- grade F: lever lock or latch; manually locking with intermediate locking;
- grade G: lock or latch without key operation; manually locking;
- grade H: lock without key operation; automatically locking.


Type of spindle operationDigit 10 Type of spindle operation
Five grades are identified:-
- grade 0: lock without follower
- grade 1: lock with sprung lever or knob
- grade 2: lock with light unsprung lever
- grade 3: lock with heavy unsprung lever
- grade 4: lock with manufacturer’s own specification furniture


Key identificationDigit 11 Key identification
Nine grades are identified relating to the number of differs and levers. Grade 0 relates to a latch with no locking action: -

Key identification for lock
Note: This applies only to lever locks: cylinders are assessed to BS EN 1303:1998

 

Example

CE door lock

This indicates a mechanically operated lock and locking plate intended for use in situations where there is an incentive to exercise care; that will withstand a durability of 200,000 cycles with a 10N side load on the latch bolt on a door of up to 200 kg in mass; that will close with a maximum force of 25N; that is suitable for use on a fire/smoke resisting door; that has no safety requirement; that has moderate corrosion resistance over a temperature range of -20°C to +80°C; that has high security and drill resistance; that is a lever mortise lock with manual locking; that is suitable for unsprung furniture; and that has five detaining elements with a minimum of 10,000 differs.

 

MARKING
The la-belling, packaging or accompanying literature shall show the following: -
a) Manufacturer’s name, trademark or other means of positive identification
b) Clear product identification
c) Classification according to the 11-box classification coding
d) Number and year of this European standard (i.e. BS EN 12209:2003)

锁体编号解释 

 CE EN12209 Lock

 

 CE Mortise Door Lock DDML009

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