Fire resistance test furnace for building materials
Technical parameters:
Gas used: methane flow rate （35 ± 0.5）L/min, its purity is greater than 95%, air flow rate （17±0.2）L/min
Specimen size: Each test takes 4 specimens as a group
Thermocouple: nickel-chromium-nickel-silicon thermocouple with a wire diameter of 0.5mm and an outer diameter not greater than 3mm
Furnace wall temperature: Room temperature ——100°C ——1 °C
Intake temperature: 0——50±0.5°C
Pressure difference: 0——30Pa±1Pa
Pressure difference measurement range: 0-100pa, accuracy :0.2%
Temperature recorder and thermostat: multi-channel continuous temperature recording and curve display
Constant temperature: （23±2）°C
Constant current: （10+1）m3/min
Ambient temperature: 19——30°C
Power supply: 380VAC 50HZ
Dimensions of combustion shaft furnace: 1020mmx1020mmx3930mm
Internal size of combustion shaft furnace: 800mmx800mmx2000mm
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