Building hardware - cylinders for locks
UNION products applicable: DTEC cylinders
GUIDE TO CLASSIFICATION
BS EN 1303 classifies cylinders using an 8 digit coding system.
Each digit refers to a particular feature of the product measured against the standard's performance requirements.
Digit 1 - Category of use- grade 1: for use by people with a high incentive to exercise care and with a small chance of misuse
Digit 2 - Durability- grade 4: 25 000 cycles.- grade 5: 50 000 cycles.- grade 6: 100 000 cycles.
Digit 3 - Door mass- grade 0: No requirement.
Digit 4 - Fire resistance- grade 0: not approved for use on fire/smoke resisting door assemblies- grade 1: suitable for use on fire/smoke resisting assemblies, subject to satisfactory assessment
Digit 5 - Safety- grade 0: no requirement.
Digit 6 - Corrosion resistance- grade 0: No requirement.- grade A: high corrosion resistance; no temperature requirement- grade B: no corrosion requirement; temperature requirement from -20°C to +80°C- grade C: high corrosion resistance; temperature requirement from -20°C to +80°C
Digit 7 - Key related security
Six grades of key related security in accordance with the table below:
Digit 8 - Attack resistance
Three grades are identified and the principal requirements are summarised in the table below:
The following marking denotes a cylinder meeting the required category of use Grade 1, durability Grade 6 (100 000 cycles), no requirement for door mass, no fire resistance or safety in use requirement, having Grade A corrosion resistance, Grade 4 key related security and Grade 1 attack resistance.
Published 25 Feb 2010
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