Author: Site Editor Publish Time: 2023-08-28 Origin: Site
BS EN 1154:1997 -The European standard for the efficiency of controlled door shutting devices.
Introduce carefully the product type, usage category, test period, test period, door quality, corrosion resistance, along with item definition, item performance requirements, test tools, test techniques and also product markings.
BS EN 1154:1997 classifies door closers by utilizing a 6 digit coding system.
1. Group of use
Two classifications are specified.
Grade 3: For closing doors from a minimum of 105 ° open.
Grade 4: For closing doors from 180 ° open.
2. Variety of test cycles
only one groups are is identified.
Grade 8: 500,000 cycles
3. Test Door Mass/ dimension
Where a door closer offers a range of power dimensions both the minimum and maximum shall be identified. Door size/mass in accordance with BS EN 1154:1997.
4. Fire Behavior
2 groups are defined
Quality 0: Not suitable for usage on fire/smoke door assemblies.
Grade 1: Ideal for use on fire/smoke door assemblies, subject to satisfying screening and assessment (See BS EN 1634 Part1: 2000).
5. Safety and security
All door closers should fulfill the standard demands for secure usage. Just grade 1 is determined.
6. Corrosion resistance
5 classifications are specified.
Grade 0: No defiined resistance.
Grade 1: light resistance.
Grade 2: moderate resistance.
Grade 3: high resistace.
Grade 4: very high resistance.
BS EN 1155:1997 -The European Standard for the performance of electrically powered hold open gadgets for swing doors.
This criterion again supplies comprehensive details on item types, usage classifications, test cycles, door top quality, rust resistance, as well as meanings, item efficiency needs, test devices, test methods and item markings.
BS EN 1155:1997 categorizes items using the exact same 6 figure coding system as described in BS EN 1154:1997. The only distinction being box 3 where BS EN 1154 describes durability, BS EN 1155 describes hold open power size.
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