YuYang YY518 BS 476 부속 20&22 건축재료 불 검사자와 구조 내화성 시험 로

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

Datasheet