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BS EN 1935

BS EN 1935 Single-axis hinges

This standard provides details on product types, classification by use, test cycles, door mass, corrosion resistance, as well as definitions, product performance requirements, test apparatus, test methods and marking of products. 



Classification

BS EN 1935 classifies door furniture by using an 8 digit coding system

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 1 below.

Table 1

Test door mass grade                                Door Mass 

0                                                                        10 kg

1                                                                        20 kg

2                                                                        40 kg

3                                                                        60 kg

4                                                                        80 kg

5                                                                       100 kg

6                                                                       120 kg

7                                                                       160 kg


Digit 4 Suitability for fire/smoke door use

- grade 0: not suitable for fire/smoke resistant door assemblies
- grade 1: suitable for fire/smoke resistant door assemblies s

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 EN 1670:

- 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 Grade          Usage                Test Cycles     Door Mass

1                          Window                   10 000              10 kg

2                          Window                   10 000              10 kg

3                      Window/Door           25 000              20 kg

4                             Door                     200 000             20 kg

5                          Window                   10 000              40 kg

6                      Window/Do               25 000              40 kg

7                             Door                     200 000             40 kg

8                          Window                    10 000             60 kg

9                      Window/Door            25 000             60 kg

10                            Door                    200 000            60 kg

11                            Door                    200 000            80 kg

10                            Door                    200 000           100 kg

10                            Door                    200 000           120 kg

10                            Door                    200 000           160 kg

BS EN 12051

BS EN 12051 Door and window bolts

This standard details performance requirements and test methods in relation to use (abuse), durability, fire resistance, safety in use, corrosion resistance, and security, with information on classification and marking.


Classification

BS EN 12051 classifies door and window bolts by using a 7-digit coding system.

Digit 1 - Category of use

Four grades are specified for category of use:

- grade 1: low frequency of use by those with a high incentive to exercise care.

- grade 2: medium frequency of use, primarily by those with some incentive to exercise care

- grade 3: high frequency of use by the public and others with little incentive to exercise care.

- grade 4: subject to frequent violent usage

Digit 2 - Durability (no. of test cycles)

Four grades are specified as follows:

- grade 1: 2 500 cycles 

- grade 2: 5 000 cycles

- grade 3: 10 000 cycles 

- grade 4: 50 000 cycles

Digit 3 - Door mass

No requirement

Digit 4 - Fire resistance

Two grades are identified:

- 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 in use

Two grades are identified:

- grade 0: no requirement
- grade 1: products shall be capable of operating with a

side load of 250 N on the bolt, and also after a side load of 1000 N has been applied.

Digit 6 - Corrosion resistance

Five grades of corrosion resistance are identified

according

- grade 0: - grade 1: - grade 2:

- grade 3: - grade 4:

to BS EN 1670.

no defined corrosion resistance
mild resistance (normally dry interiors) moderate resistance (interiors subject to condensation)
high resistance (damp interior/exterior) very high resistance (polluted exterior - industrial/coastal)

Digit 7 - Security

Five grades of security are identified with figures for end load on shoot, resulting projection, resistance to sawing, and sideload on shoot.

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 Grade          Usage                Test Cycles     Door Mass

1                          Window                   10 000              10 kg

2                          Window                   10 000              10 kg

3                      Window/Door           25 000              20 kg

4                             Door                     200 000             20 kg

5                          Window                   10 000              40 kg

6                      Window/Do               25 000              40 kg

7                             Door                     200 000             40 kg

8                          Window                    10 000             60 kg

9                      Window/Door            25 000             60 kg

10                            Door                    200 000            60 kg

11                            Door                    200 000            80 kg

10                            Door                    200 000           100 kg

10                            Door                    200 000           120 kg

10                            Door                    200 000           160 kg










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