BS EN 1935 – Hinges

European and British standardisation for single-axis hinges
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BS EN 1935:2002 – Single Axis Hinges

This European standard specifies requirements for single-axis hinges for windows and doors opening in one direction only, whose rotation axis is no more than 30 mm from the face of the sash or door. It covers both fixed pin and lift-off hinges, and contains additional requirements for hinges intended for use on fire doors.

BS EN 1935:2002 classifies door furniture by 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

Four categories of use are identified:
Grade 1: light duty
Grade 2: medium duty
Grade 3: heavy duty
Grade 4: severe duty

Digit 2 – Durability

Three grades are identified for single-axis hinges manufactured to this European standard:
Grade 3: 10,000 test cycles, for light duty hinges on windows only
Grade 4: 25,000 test cycles, for light duty hinges on windows and doors
Grade 7: 200,000 test cycles, for medium, heavy and severe duty hinges on doors only

Digit 3 – Test door mass

Eight door mass grades related to single-axis hinges are identified in this European standard as shown in table below.

Test door mass gradeDoor mass
010 kg
120 kg
240 kg
360 kg
480 kg
5100 kg
6120 kg
7160 kg

Digit 4 – Suitability for fire/smoke door use

Two grades of suitability are identified for single-axis hinges:
Grade 0: not suitable for fire/smoke resistant door assemblies
Grade 1: suitable for fire/smoke resistant door assemblies subject to satisfactory assessment of the contribution of the single axis hinge to the fire resistance of the specified fire/smoke door assemblies.

Digit 5 – Safety

Single-axis hinges are required to satisfy the essential requirements of safety in use. Therefore, only grade 1 is identified.

Digit 6 – Corrosion resistance

Five grades of corrosion resistance are identified in accordance with BS EN 1670:2007:
Grade 0: no defined corrosion resistance
Grade 1: mild resistance
Grade 2: moderate resistance
Grade 3: high resistance
Grade 4: very high resistance

Digit 7 – Security

Two grades of security are identified for single-axis hinges:
Grade 0: not suitable for use on burglar-resistant door assemblies
Grade 1: suitable for applications requiring a degree of security. Annex C of this European standard details the hinge grade to use for the level of security required.

Digit 8 – Hinge grade

Fourteen grades are identified in this European standard and are detailed in table 2 below. The full classification is shown in the standard.

Hinge GradeUsageTest CyclesDoor Mass
1Window10,00010 kg
2Window10,00020 kg
3Window/Door25,00020 kg
4Door200,00020 kg
5Window10,00040 kg
6Window/Door25,00040 kg
7Door200,00040 kg
8Window10,00060 kg
9Window/Door25,00060 kg
10Door10,00060 kg
11Door200,00080 kg
12Door200,000100 kg
13Door200,000120 kg
14Door200,000160 kg

Source: Door and Hardware Federation (DHF) Best Practice Guide – Single-axis hinges to BS EN 1935

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