Main parameters of curtain burning tester
The curtain burning tester is used to test the flame retardancy of single-layer or multi-layer curtains, curtains and other suspended fabrics, but it cannot be used for fabrics with a gram of more than 700g/m2 (21oz/yd2).
Applicable standards:
National Fire Protection Association (NFPA) NFPA 701: 2004&2009 Edition Test Method 1
The main parameters:
Combustion box:
1. Specifications: 675mm wide, 500mm deep, 700mm high.
2. Structure: 12mm thick Marinite mineral board (calcium silicate board), externally wrapped with 1.2 thick 304# stainless steel, the front is an open test box, and the inner surface of the test box must be painted with a layer of smooth black paint.
3. Meet (NFPA) NFPA 701:2004 Chapter 5 requirements.
burner:
Meker burner (Meker Burner) hammer-shaped laboratory burner, can provide heat 10,500 BUT/Hour. Meet (NFPA) NFPA 701: 2004 5.3.3 requirements;
Needle strip for sample installation:
uses a 9mm stainless steel bar, 190mm long, with a steel needle with a diameter of 0.7mm and a length of 11mm
Wire brush:
Bronze manufacturing meets (NFPA) NFPA 701:2004 5.9 requirements
Sample rack:
1. Equipped with 5 stainless steel sample holders
2. Equipped with 1 roll of standard combustion line
Control section:
1. Meet (NFPA) NFPA 701: 2004 5.6 requirements;
2. Fully automatic methods: such as trigger timing, automatic opening and cutting off the air source, etc.;
3. Touch method: using a proximity switch, which triggers the start of timing;
4. Air supply system: equipped with pressure reducing valve, using solenoid valve to automatically open and cut off the air source, in line with (NFPA) NFPA 701: 2004 5.4 requirements;
5. Timer: 0~99.99 seconds can be set arbitrarily, resolution: 0.01 second, precision: 0.1 second;
6. Flowmeter: It is a rotameter. Adjusting it can adjust the intensity of the flame.
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https://www.qinsun-lab.com/index.html
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2021-05-20 15:56