DX8373 Door Roller Shutter Fire Resistance Testing Machine (door and Roller Shutter Fire Resistance Testing Furnace)

1. Scope of Application

Suitable for fire resistance performance tests of building doors (including single and double-leaf doors) and rolling shutters, to determine their fire resistance rating through testing.

2. Compliance Standards

Complies with GB/T 7633 Fire Resistance Test Methods for Doors and Shutters and ISO 3008 Fire Resistance Tests for Full-Size Doors and Shutters.

3. Technical Specifications

  1. Working power supply: AC 380V ±10%, 50Hz; power consumption: 3kW
  2. Furnace pressure measurement range: 0–100Pa, measurement accuracy: ≤ ±3Pa
  3. Air flow range: 0–50m³/min, measurement accuracy: ≤ ±0.5m³/min
  4. Combustion gas source: propane, liquefied petroleum gas
  5. Gas flow range: 0–100L/min, measurement accuracy: Class 2.5
  6. Gas cylinder capacity: 50kg × 6 cylinders
  7. Specimen back surface radiant heat flux measurement range: 0–10W/cm²
  8. Furnace pressure measurement range: indoor pressure ±150mPa
  9. Test temperature curve: programmed heating, 15min from ambient to 718℃; 30min from ambient to 821℃; 60min from ambient to 925℃; 90min  from ambient to 986℃; 120min from ambient to 1029℃

- All terms follow international fire testing equipment conventions (e.g., "fire resistance rating", "programmed heating profile").

- Units (Pa, m³/min, L/min, W/cm², °C) are standardized for technical documentation.

- The test temperature sequence is kept in the original format to align with the GB/T and ISO standard requirements.