ISO 9239-1 Construction Materials Testing Equipment / Flooring Radiant Heat Flux Fire Testing Equipment

ISO 9239-1 Flooring Radiant Heat Flux Fire Testing Equipment

Description:
DX8401 is a reaction to fire test apparatus for assessing the wind-opposed burning behaviour and spread of flame of horizontally mounted floorings exposed to a heat flux radiant gradient in a test chamber, when ignited with pilot flames.

Standard:
- GB/T11785-2005
- ISO 9239-1,2
- ASTM E970
- NFPA253
-GBT11785-2005

Test Chamber:
-calcium silicate boards of (13 ± 1) mm thickness and 650 kg/m3 to 750 kg/m3 nominal density.
-fire-resistant gIass with dimension of (110 ± 10 ) mm x (1100 ± 100) mm observation window.
-outside metal cIadding
-beIow access door for test specimen platform

Specimen Holder:
-heat-resistant L-profiIe stainIess steei of (2.0 ± 0.1) mm thickness
-overall size (1140 ±10) mm by(325 ±10) mm x (22 ±2) mm

Gas-Fired Radiant Panel:
-a panel of porous refractory material radiant heat source
-area (300± 10) mm x (450 ± 10) mm
-maximum working temperature up to 900 ºC

Pilot Burner:
-nominal internaI diameter 6 mm and of outer diameter 10 mm
-Fuel. Commerciai-grade propane having a calorific vaIue of approximateIy 83 MJ/m3

Exhaust system:
-capacity of 39 m3/min at (25 ºC , 1 bar) to 85 m3/min
-air velocity in the exhaust stack (2.5 ± 0.2) m/s ± 0.1 m/s

Radiation Pyrometer:
-range of 480 ºC to 530 ºC (bIack body temperature), accuracy of ± 50 ºC.
-viewing of a circuIar area 250 mm in diameter at a distance of about 1.4 m
-substantialiy constant between the waveIength 1um and 9 um

Heat Flux Meter:
-Schmidt-Boelter type without a window and with a diameter of 25 mm.
-range from 0 to 15 kW/m2 ± 0.2 kW/m2.
-accuracy of ± 3 % of the measured vaIue.

Technical parameters:

- steel scale
- pilot burner
- anemometer
- radiation pyrometer
- timing devices

About daxian company:
DAXIAN's testing equipment are widely used in various field: scientific institutions, colleges, inspection institutions, auto parts, electronics, electricals, LED, photoelectricity, mobile, plasticand rubber, telecommunication, chemical industry, aerospace, building material and product, wire and cable,textile and fabrix, etc. All DAXIAN testing equipment are designed according to international test standards, such as ISO, ASTM, DIN, EN, GB, BS, JIS, UL, TAPPI, AATCC, IEC, VDE, CSA,CEN and so on.