UNI CEI 11170-3: Fire Test to Railway Components
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Ä UNI CEI 11170-3 Fire Test to railway components – Italian Standard
ü UNI CEI 11170-3 : Guidelines for railway vehicle protection for tramways and with guided rail. Part 3: Assessment of fire behaviour of materials, acceptance limits
Ä UNI CEI 11170-3 Fire Test to railway components – Italian Standard Brief
UNI CEI 11170-3, UNI CEI 11170-3, This part of the standard defines the test methods for evaluating the materials fire behaviour on a laboratory scale, as well as their evaluation criteria referred to the specific conditions of use and the vehicle’s particular operating class and type.
The characteristics of a fire are quite different depending on the ignition source for the material concerned aswell as the surrounding materials, the ambient characteristics and fire dynamics, the ambient conditions andlayout, the ventilation conditions, etc.
The evaluation and classification of materials in accordance with the procedures defined in this part of the standard do therefore not aim at establishing the absolute levels for the risks of fires caused by the materials installed: they aim at providing instructions capable of reducing the fire hazard on the vehicles and protect both the passengers and the crew as best as possible
Ä UNI CEI 11170-3 Fire Test to railway components - Scope：
UNI CEI 11170-3, The test methods specified in this standard shall be applied to all the materials and components (both structural and non-structural) used both to make new vehicles and to renovate the vehicles currently being operated, as well as to the materials/components used to manufacture the ordinary spare parts.
Ä UNI CEI 11170-3 Fire Test to railway components - Classification：
There are 4 classification in the standard:
ü LR1, LR2, LR3, LR4
Ä UNI CEI 11170-3 Fire Test to railway components - Specific Materials
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- Sound proofing materials
- Walls & wall coverings
- Curtain fabrics
- Floors
- Bed & sleeper items
- Rigid seats
- Interior components placed horizontally
- Interior components placed vertically
- Gaskets
- Air filters
- Intumescing paints
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- Floor coverings
- Ceilings & ceiling coverings
- Heat proofing materials
- Padded seat coverings
- Deadening and anti-vibration materials
- Full-cover polyurethane components
- Manoeuvring banks
- Ceiling light fixtures
- Ducts and pipes made of flexible materials
- wire and cables
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Ä UNI CEI 11170-3 Fire Test to railway components - Reference Standard
ü UNI 5114: Woven and unwoven items – Determining the linear density and the mass per length unit.
ü UNI 8456: Combustible materials liable to be hit by the flames on both sides – Fire reaction through contact with a small flame.
ü UNI 8457: Combustible materials liable to be hit by the flames on one side only –Fire reaction through contact with a small flame.
ü UNI 9174: Fire reaction on the materials exposed to the action of an igniting flame in the presence of radiating heat.
ü UNI 9175: Fire reaction on padded furniture exposed to the action of a small flame.
ü UNI 9177: Fire reaction classification for combustible materials.
ü UNI EN ISO 1716: Fire reaction tests on construction materials – Determining the calorific value.
ü UNI EN ISO 11925-2: Fire reaction tests – Ignitability of construction products exposed to direct attack from a flame – Part 2: Test performed by using one single flame.
ü UNI EN ISO 1182: Fire reaction tests on construction products. Non-combustibility test.
ü UNI CEI 11170-1: Railway and tramway vehicles – Guidelines for fire protection of railway, tramway and guided path vehicles – Part 1: General principles.
ü UNI CEI 11170-2: Railway and tramway vehicles – Guidelines for fire protection of railway, tramway and guided path vehicles – Part 2: Design criteria – Measures for fire restraining – Signalling, control and evacuation systems.
ü ISO 5660-1: Fire reaction tests – Heat release, smoke production and mass loss rate – Part 1: Heat > release rate (cone calorimeter method).
ü CEI 20-37/7: Tests performed on the gas emitted during the combustion of electric cables and cable materials. Part 7: Determining the degree of toxicity of the gas released from the cables.
ü CEI EN 50265-1: Common test methods for cables being set on fire – Testing the nonvertical flame propagation on one single insulated cable or conductor – Part 1: Test equipment.
ü CEI EN 50265-2-1: Common test methods for cables being set on fire – Testing the nonvertical flame propagation on one single insulated cable or conductor –Part 2-1: Test procedures – Pre-mixed 1 kW flame.
ü CEI EN 50265-2-2: Common test methods for cables being set on fire – Testing the nonvertical flame propagation on one single insulated cable or conductor –Part 2-2: Test procedures – Diffuse flame.
ü CEI EN 50266: Common test methods for cables being set on fire – Testing the vertical flame propagation on wire or cable harnesses fitted in vertical position.
ü CEI EN 50267-2-1: Common test methods for cables being set on fire – Tests performed on the gas emitted during the combustion of materials collected from the cables – Part 2-1: Test procedures – Determining the amount of gaseous halogen acid.
ü CEI EN 50267-2-2: Common test methods for cables being set on fire – Tests performed on the gas emitted during the combustion of materials collected from the cables – Part 2-2: Test procedures – Determining the degree of acidity (corrosiveness) of the gas released from the materials by measuring the pH and the conductivity.
ü CEI EN 50305: Railway, tramway, trolleybus and underground applications – Cables featuring special requirements under fire conditions – Test methods.
ü CEI EN 50306-1: Railway, tramway, trolleybus and underground applications – Rolling stock cables featuring special fire behaviour characteristics – Small thickness – Part 1: General prescriptions.
ü CEI EN 50306-2: Railway, tramway, trolleybus and underground applications – Rolling stock cables featuring special fire behaviour characteristics – Small thickness – Part 2: Single-pole cables.
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