Place of Origin:
China
Brand Name:
YUYANG
Certification:
ISO
Model Number:
YYF012
Used to assess the propagation of flame beyond the area exposed to the ignition source. Applicable to vinyl-coated fabric blackout linings and fabrics including multilayered fabrics, films and plastic blinds, with or without reinforcement or backing, with area density greater than 700g/m².
NFPA 701-2004 Methods 2
| No. | Item | Specification |
|---|---|---|
| 1 | Laboratory | In accordance with 12.2 of NFPA 701‑2004 |
| 1.1 | Furnace dimensions | Length, width (305 ± 5) mm, height (2130 ± 10) mm |
| 1.2 | Structure | 1.5mm thick 304# stainless steel, equipped with transparent observation window at front |
| 1.3 | Top Sample Rod | |
| 1.3.1 | Installation position | 1190 ± 10 mm from bottom of furnace body edge; 4 mm horizontal alignment for both sides of hole |
| 1.3.2 | Top sample rod parameter | Steel rod, diameter (1.5 ± 0.1) mm or (3.0 ± 0.1) mm, length (330 ± 10) mm; one end sharp‑pointed |
| 1.4 | Bottom sample rod | Steel rod, diameter (1.5 ± 0.1) mm, length (255 ± 10) mm; one end sharp‑pointed |
| 1.5 | Vertical guide line | |
| 1.5.1 | Guide wire position | A pair of soft‑steel vertical guide wires at furnace center; offset (100 ± 5) mm on left & right sides; distance between paired wires (200 ± 5) mm |
| 1.5.2 | Line‑to‑line distance in box | (25 ± 2) mm (front‑to‑back) |
| 1.5.3 | Mounting rod for guide wire | Rod diameter (6 ± 0.05) mm |
| 1.6 | Glass fiber cloth baffle (upper test chamber) | Size (1000 ±10) mm × (125 ±5) mm; sewn by glass‑fiber thread; each end (40 ±3) mm × (3 ±0.2) mm × (330 ±5) mm; pass through top‑middle hole (4 ±0.5) mm × (25 ±1) mm; rounded ends |
| 2 | Burner | |
| 2.1 | Installation | Mounted on fixed seat, 20° tilt angle |
| 2.2 | Burner heat | 800BTU/ft³ ~ 1000BTU/ft³ |
| 2.3 | Nozzle distance from test bottom | 100 mm |
| 2.4 | Flow meter | Rotor flow meter, max.range 150 L/hr or 300 L/hr |
| 2.5 | Needle Valve | For flame height adjustment |
| 2.6 | Pressure gauge | 0 ~ 1 MPa, accuracy 0.5 |
| 2.7 | Flame measurement scale | Measure burner flame height & sample dimension, accuracy 1 mm |
| 3 | Control section | |
| 3.1 | Igniter | High‑voltage automatic ignition |
| 3.2 | Timers | |
| 3.2.1 | Combustion timing | 0‑99.99 s adjustable; resolution 0.01 s; accuracy 0.1 s |
| 3.2.2 | Continued combustion time | 0‑99.99 s adjustable; resolution 0.01 s; accuracy 0.1 s |
| 3.3 | Automatic control | Ignition, combustion timing, continued combustion time auto‑control |
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