Certified
ISO 9001:2009
Address
Okhla Industrial Estate Phase 1
Timing
24 x 7
EN 16989 Fire behaviour test for a complete seat EN 16989, EN 45545-2
EN 16989 Fire behaviour test for a complete seat EN 16989, EN 45545-2
EN 16989 Fire behaviour test for a complete seat
Compliance
EN 16989, EN 45545-2
Calorimetry System for Complete Railway Seats
As per EN 16989 and EN 45545-2
Scope
The system provides a means of determining the burning behaviour of a complete railway seat design under standardized conditions. It also evaluates the seat’s potential for vandalization, in compliance with EN 16989.
Test seats are exposed to a 15 kW propane-fueled ignition source under a well-ventilated exhaust hood.
Measurements include:
- Heat Release Rate (HRR)
- Maximum Average Heat Release (MARHE)
- Total Smoke Production (TSP)
- Flame Height
System Components
1. Calorimetry Measurement System
- Test room, collection hood, ducts, and instrumented duct.
- Mass flow controllers for both test burner and calibration burner.
- Data acquisition & Windows-based software.
- Gas concentration analysis system.
2. Instrumented Duct Assembly
- Pressure Probe: ISO 9705 bi-directional probe, stainless steel, connected via Teflon tubing.
- Pressure Transmitter: Range 0–250 Pa, accuracy ±2.5 Pa, T90 < 1s.
- Thermocouples: 3 × K-type, 0.5 mm, EN 60584 compliant, armoured insulated.
- Sampling Probe: Stainless steel, quick-disassembly, easy cleaning.
3. Optical Smoke Measurement (Light Attenuation System)
- Light Source: Incandescent lamp, colour temperature (2900 ± 100)K, DC power supply with ±0.5% stability.
- Lens System: Produces ≥20 mm parallel beam; aperture ratio d/f < 0.04.
- Detector: Imported silicon photodiode, CIE V(λ) response, linear stability 0.1%, accuracy ±5%.
- Response Time: T90 ≤ 3s.
4. Ignition & Burner Control
- Test Burner: Propane, mass flow controller range 0–450 mg/s, accuracy ±2%, response 0.1s.
- Stability: Controlled via software, 324 ± 5 mg/s.
- Ignition: Integrated device with automatic timing & extinguishing.
- Calibration Burner:
- ISO 9705 flame calibration burner.
- Alicat MFC, range 0–7 g/s, accuracy ±2%, response 0.1s.
- Output up to 300 kW, step calibration function.
- Pilot flame ignition, remote controlled, safe and reliable.
5. Gas Concentration Analysis
- Filtration System:
- Glass fibre cotton coarse filter
- Parker filter, precision 2 μm
- PTFE membrane, precision 0.5 μm
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- All filters quick-replaceable.
- Cold Trap: Compressor type, cooling capacity 320 kJ/h, dew point stability ±0.1°C, self-starting, auto water discharge.
- Sampling Pump: Vacuum type, 16 L/min, continuous +50 kPa, low noise, low vibration.
- Flowmeter: Range 0–1 L/min, ensures stable gas flow to analyzer.
- Analyzers:
- O? (Paramagnetic), 0–25%, accuracy ±0.01%
- CO? (NDIR), 0–10%, accuracy ±0.01%
6. Data Acquisition & Control Software
- DAQ System (Advantech module):
- O?, CO? accuracy: 100 × 10?? (0.01%)
- Temperature accuracy: ±0.5°C
- Other instruments: ±0.1% FS
- Time accuracy: ±0.1s
- Software Features:
- Sensor calibration
- System step calibration
- Standardized test sequences
- Real-time data recording and visualization
- Automatic reporting & export
Compliance
- EN 16989: Railway seat calorimetry fire test method
- EN 45545-2: Railway fire safety standard
- ISO 9705: Full-scale room fire test reference for calibration
EN 60584: K-type thermocouple compliance
