BS476-6 Construction Materials Flame Propagation Index Testing Equipment
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Introduction: BS 476-6 is a test method of measuring the flame propagation properties of materials, primarily for fire protection performance evaluation of the walls and ceilings, measurement results are expressed as an index of flame propagation. During the test, the specimen is exposed to the tubular torch, heat
release of the lamp is 530J / S. 2 minutes and 45 seconds later,
the two electric heater was adjusted to 1800 watts in total, 5
minutes after starting the test, reduced the power to 1500 watts,
keep the power not changed until finishing the experiment, the
total test time is 20 minutes.
Main features: 1.The flame propagation index testing equipment adopts stainless
steel support frame and Calcium silicate board combustion chamber. 2.Three kinds of sample holders for different thickness of the
specimens. 3.Low reflective black finished mild steel Chimney and Cowl
assembly complete with thermocouple mounting points. 4.Compliant stainless steel gas burner is supplied with flame
propagation index testing equipment. 5.Two K type mineral insulated thermocouples complete with ceramic
insulators. 6.Two pencil type heaters with 1000w installed in combustion
chamber. 7.Control gas instrumentation including electronic gas on/off
valve, flow regulating valve, flow meter and manometer. 8.Intelligent single phase power controller with feedback loop for
accurate control of electric heating elements 9.DAQ record automatically the mV output from the thermocouples of
the flue gases throughout the duration of the test. 10.According to the test time, The flame propagation index testing
equipment can automatically adjust the output power. Data acquisition system 1.Prompted software interface 2.Data recording and display of cowl temperature against time 3.Data recording and display of ambient temperature against time 4.Display of power value in kW 5.Calibration routine 6.Calculation of output rise and calibration value Installation Requirement 1.Electrical: 230 volts Nominal 10 Amps 2.Ambient Temperature: Operating 10°C to 35°C 3.Gas Supplies: The gas supply specified in the Standard is Standard test gas G112, as specified in BS 4947. 4.Flow: Gas flow for burner adjustable from 0 to 5 nl/min 5.Pressure: 1kPa |
Product Tags: Flame Propagation Index Testing Equipment BS476-6 Testing Equipment BS476-6 |
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