YuYang YY518 BS 476 Part 20&22 Building Material Fire Tester and Structures Fire Resistance Test Furnace
Manufacturer: YuYang Model: YY518 Origin: China Guarantee: 12 Month - Request a Quotation
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1. Test Furnace:
⑴ Test Furnace structure and size:
Vertical furnace 3.1*3.1*1.2m(W*H*D), biggest sample size 3*2.8m(W*H)
Comply with EN1363-1
The test furnace is made of brick, steel structure and fireproof insulation material.
2. Voltage Supply:
AC 380V ±10%, 50Hz
3. Power:
The test furnace comply with ISO9705, output power is 300KW.
4. Burner system:
⑴Gas flow: 0-100 m³/h
⑵ Gas max pressure: 3000Pa
⑶ Air flow: 5000m³/h
⑷ Air max pressure: 4000Pa
5. Test temperature control:
⑴ furnace temperature control meets the require of T-T0=345lg(8t+1)
Temperature control deviation:
0min<t≤10min:d≤15%
10min<t≤30min:d≤10%
t>30min:d≤5%
⑵ testing device accuracy:
Furnace temperature: ±15℃
Sample inside temperature: ±10℃
Sample backfire temperature: ±4℃
⑶ Timing range: 0-300 minutes, accuracy: <±1s
6. Furnace pressure meets
(1) Test after 5 minutes, the furnace shall meet the following positive pressure conditions:
Components - in the furnace 3m heights, 100mm from the surface of the specimen, furnace pressure 15Pa ± 5Pa;
(2) Test after 10 minutes, the furnace shall meet the following positive pressure conditions:
Components - 3m in the furnace height, 100mm from the surface of the specimen, furnace pressure 17Pa ± 3Pa.
(3) The sample of the landing door can be kept at a constant pressure over the whole height by the fire surface, the pressure value at the ridge should be kept within 2 ± 2Pa, and the pressure gradient inside the furnace should be 8 Pa per meter;
(4) furnace pressure measurement range: 0-100Pa, measurement accuracy: ≤ ± 3Pa
7. Temperature sensor
The performance, quantity and location of the thermocouple in the heating furnace meet the requirements of EN16341-1;
a) Furnace temperature ± 15 ℃, adopts diameter 1mm thermocouple;
b) The specimen backfire surface temperature ± 4 ℃, diameter 0.5mm thermocouple. Copper plate with thermocouple: diameter 120mm, thickness 0.50mm;
c) Armored Platinum Rhodium Platinum S-value thermocouple accuracy class: II level
d) Armored nickel-chromium-nickel-silicon K thermocouple accuracy class: II level
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