Limited Flame Spread Tester ISO 15025
The testing principle of ISO 15025 is to simulate the ability of clothing materials to resist the spread of flame when exposed to a specified small-scale flame under specific orientation and conditions.
Simulated Exposure Scenarios: The test simulates two common ignition source contact methods:
- Surface Ignition (Method A): The flame is applied to the surface of the sample. This simulates scenarios such as welding sparks falling onto the sample or flames licking clothing from the side.
- Bottom Edge Ignition (Method B): The flame is applied to the bottom edge of the vertically suspended sample. This simulates scenarios where the hem of clothing accidentally comes into contact with an ignition source (such as passing by an open flame). Method B is generally considered more stringent.
- ample Angle: The sample is placed at a specific angle (45° for Method A, vertical for Method B) in a combustion chamber with a backplate. The backplate restricts airflow, making the test conditions more stable.
The Limited Flame Spread Tester is designed and manufactured according to the ISO 15025 standard for protective clothing combustion testing. It can test the flame spread of protective clothing under the impact of a small flame. It is a professional instrument mainly used to simulate and evaluate the flame spread performance of protective clothing when it is on fire, and is used to determine the fire hazard of flammable materials such as fabrics or other similar functional materials.
Standard: BS EN ISO 15025:2016 Protective clothing-Protection against heat and flame-Method of test for limited flame spread.
Technical Specifications:
1. The combustion chamber is made of stainless steel, aesthetically pleasing and corrosion-resistant. Dimensions: 1200mm x 600mm x 1200mm;
2. All sample holders are made of stainless steel, aesthetically pleasing, and corrosion-resistant.
3. Sample clamp dimensions: 1: 160*200mm, 2: 80mm*200mm.
4. Imported standard burner. Flame height: horizontal 25mm±2mm; vertical: 40mm±2mm; nozzle orifice: 0.19mm.
5. Automatic time recording and storage; timer accuracy 0.1s.
6. PLC combined with a touch screen control system, enabling more intelligent testing, automatic recording, and storage of test data.
7. Imported brand pressure gauges and regulating valves ensure more stable gas pressure.
8. Imported needle valve for precise flame height control and a more stable flame.
9. High degree of intelligence, simple and easy to operate. 9. Equipped with two sample holders, one for surface burning and one for bottom burning; both are made of stainless steel.
10. Automatic ignition and self-extinguishing system.
11. Equipped with a flame height gauge.
12. Burner angle is adjustable horizontally and vertically by 30°.
13. Programmable controller with a 7" touchscreen for control, detection, calculation, and data display.
14. Pulsed high-voltage electronic automatic ignition.
15. No need for a handheld stopwatch or manual timing; the system automatically records the test time and generates a test report.
16. Test time and ignition time can be set on the touchscreen, meeting various test standard requirements.
17. Surface burning and bottom burning test programs can be switched on the touchscreen.
Our Company:
Chongqing Gold Mechanical & Electrical Equipment Co., Ltd.
Since 2008, Gold has been at the forefront of innovation in fire testing technology, designing and manufacturing over 70 types of advanced testing instruments. Our solutions serve a wide range of global industries, including building materials, aviation, rail transport, marine (IMO), wire and cable, and safety protection.
Driven by a commitment to excellence, our mission is to deliver reliable, high-performance products that meet the rigorous demands of testing, research and development, and quality control. We are dedicated to bridging the gap between locally produced and imported equipment, setting new standards for precision and durability in specialized markets.
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