HEWI Catalog Hardware Page 265
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EN 1906 | Technical information As far as the application of the above European standard is concerned, door lever handles and door knobs on backplates or roses are classified in accordance to the following 8-digit keys: e. g. HEWI H-technology | 8 mm square 111XAH01.130 4 7 - 0 1 5 0 A e. g. HEWI H-technology | 9 mm square 111XAH11.130 4 7 - B1 1 5 0 A e. g. HEWI R-technology | 9 mm square 111R11.230 4 7 - D1 1 5 0 U Specification for tender Key Possible class Class Meaning of the class Category of use 1 1 to 4 1 Medium frequency of use by persons with high incentive to exercise care, small chance of misuse (e.g. internal residential doors) 2 Medium frequency of use by persons with high incentive to exercise care, some chance of misuse (e.g. internal office doors) 3 High frequency of use by the public or others with little incentive to exercise care and high chance of misuse (e.g. public office doors) 4 High frequency of use on doors subject to frequent violent use or damage Durability 2 6 to 7 6 100.000 test cycles 7 200.000 test cycles Door weight 3 irrelevant – No classification specified Fire resistance 4 0, A, B, C or D 0 No performance defined Technical information (e.g. doors in sports stadiums, barracks or public buildings) A Suitable for installation in smoke control doors A1 do., with 200.000 test cycles tested on a test door B Suitable for installation in smoke control and fire doors B1 do., with 200.000 test cycles tested on a test door C Suitable for installation in smoke control and fire doors with backplate and rose requirements C1 do., with 200.000 test cycles tested on a test door D Suitable for installation in smoke control and fire doors with lever handle core requirements D1 do., with 200.000 test cycles tested on a test door Safety 5 0 or 1 0 For normal use 1 Safety requirements Corrosion resistance 6 0 to 5 0 No classification specified 1 Low corrosion resistance (24 h salt spray test) 2 Moderate corrosion resistance (48 h salt spray test) 3 High corrosion resistance (96 h salt spray test) 4 Extremely high corrosion resistance (240 h salt spray test) 5 Extraordinarily high corrosion resistance (480 h salt spray test) 0 Not burglary resistant 1 Low burglary resistance 2 Moderate burglary resistance 3 High theft protective Security (burglary protection) Design type 7 8 0 to 4 A, B or U 4 Extremely high theft protective A With spring assistance B With spring preload U Without spring assistance HEWI Hardware | 263
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