Lock assemblies operated by key from the outside of the door and by handle or thumb turn from the inside of the door
Lock assemblies operated by key from the outside of the door and by handle or thumb turn from the inside of the door
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1 Scope This British Standard specifies performance requirements and test methods for a thief‑resistant mechanically operated single-point lock assembly (including locking plates, fixing screws, fitting instructions, cylinders and protective furniture where appropriate) that:
a) incorporates a lock conforming to BS EN 12209:2016 that can be unlocked from the inside without a key thereby only allowing keyless egress; and
b) is used in doors, window doors and entrance doors in buildings.
This standard does not cover thief-resistant lock assemblies that only allow egress using a removable key, or lock assemblies that provide a secure (no egress) mode in addition to keyless egress.
NOTE 1 Thief-resistant lock assemblies that only allow egress using a key or assemblies that provide a secure (no egress) mode in addition to keyless egress are specified in BS 3621 and BS 10621 (respectively), because they are sufficiently different in terms of what they offer for means of escape (from fire) and security.
NOTE 2 It is possible that lock assemblies conforming to this standard might not be suitable for use on doors constructed from certain types of material, e.g. pla...
Другие стандарты BS