Scope of application: Suitable for fire resistance testing of building components and the fire resistance performance of load-bearing vertical partition components.
Working voltage: AC 380V ± 10% 50NZ.
Furnace body: The experimental furnace passage is composed of bricks, steel structure, and fire insulation materials.
Sample size: 300mm wide × 300mm high (customizable).
The dimensions inside the furnace are approximately:
Vertical furnace: L3.2m×W2.2m×H4.0m
Horizontal furnace: L3.2m×W3.2m×H1.5m.
Gas flow rate: 0-100L/min, with a measurement accuracy of 2.5 levels.
Air flow rate: 0-50m3/min, measurement accuracy≤±0.5m³/min.
Gas tank capacity: ≥ 50kg×6.
Load measurement equipment:±2.5% of the load value should be added (required for loading type tests).
Test piece gap measurement probe: with a diameter of 6mm±0.1mm and a diameter of 25mm±0.2mm.
Combustion system: gas distribution system (within 10 meters), nozzle (not less than 20), and regulating valve.
Combustion gas sources: propane, liquefied gas.
Furnace temperature control system: maximum sampling point of 10 points.
Ventilation system and control air valves, etc.
The measurement range of radiation heat on the back fire surface of the specimen is 0~10W/cm2.
Furnace pressure measurement range: 0-100pa
Measurement accuracy:≤±3pa.
Test temperature: The furnace temperature control meets the requirement of T-T0=3451g (8t+1), and its temperature control deviation
When 0min<t≤10min, d≤15%.
When 10min<t≤30min,d≤10%.
When T>30min, d≤5%.
Furnace temperature:±15℃.
Internal temperature of the specimen:±10℃.
Test piece back fire temperature:±4℃.
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