LFY-639 Flexible Tube Alcohol Flame Lamp Burning Instrument

Scope of Application
This standard is applicable to the flame retardancy tests of hoses used in hydraulic supports, as well as hoses and hose assemblies for transporting petroleum-based and water-based fluids in coal mines. 
Technical indicators 
1. Ignition time: 0 - 99.99 seconds 
2. Burning time: 0 - 99.99 seconds 
3. Sample size: The length of the hose is 300mm. 
5. Distance between the outer edge of the hose and the alcohol burner: (50 ± 2) mm 
5. The angle between the base of the alcohol burner and the horizontal plane: 45° 
6. The height of the flame can be adjusted, and a flame temperature measuring device is also equipped. 
7. Flame temperature: 960℃ ± 60℃ 
Applicable Standards 
MT/T 98-2006 Inspection Specifications for Hydraulic Support Flexible Pipes and Flexible Pipe Assemblies