1. Product Name and Purpose

2. Product Features

• Spacious and Durable Combustion Chamber
  • The large combustion chamber is constructed from high-grade refractory materials and robust steel frames. It offers a generous interior space that can accommodate long lengths and large diameters of wire and cable samples. The chamber walls are engineered to withstand extremely high temperatures and thermal stresses, ensuring a stable and consistent testing environment. The interior surface is smooth and non-combustible, minimizing any potential interference with the combustion process of the samples.
  • The chamber is equipped with a precisely calibrated ventilation system. This allows for the control of air flow rates and oxygen supply, simulating different real-world fire scenarios. The adjustable vents enable operators to regulate the intensity of the combustion and study the impact of varying oxygen levels on the flammability of the wires and cables.
• Precision Ignition and Measurement Systems
  • The equipment features a highly reliable ignition source. It can be a gas burner with adjustable flame characteristics or an electric ignition device. The ignition system is calibrated to provide a consistent and reproducible flame, with precise control over flame height, temperature, and heat flux. For example, the flame height can be set within a specific range, typically from a few centimeters to over a dozen centimeters, depending on the test requirements.
  • The measurement suite includes advanced sensors and data acquisition systems. It can accurately measure the flame spread rate along the wire or cable, which is calculated based on the time it takes for the flame to travel a defined distance. Smoke production is monitored using optical density sensors, providing quantitative data on the amount of smoke generated during combustion. The combustion time, from ignition to self-extinction or a predetermined end point, is precisely recorded. These measurements are continuously logged and can be analyzed in real-time or post-test to generate detailed reports and graphs.
• Safety and Environmental Protection Mechanisms
  • The Large Combustion Chamber is equipped with multiple safety features to protect operators and the surrounding environment. It has a fail-safe gas shut-off valve that immediately stops the gas supply in case of any abnormal combustion or system malfunction. The chamber is enclosed with a heat-resistant and explosion-proof casing, preventing the escape of flames, hot gases, or debris.
  • The equipment also incorporates measures to minimize environmental impact. It is designed to capture and treat any harmful by-products of combustion, such as toxic gases and particulate matter. This ensures that the testing process complies with environmental regulations and reduces the emission of pollutants into the atmosphere.

3. Specific Parameters

• Test chamber volume	4.32 m³
  Color - Outside	Square steel frame structure, thickened 1.5mm steel plate with static baking white paint
  Color - Inside	Electrostatic baking black paint
  Observation window	Tempered glass, surrounded by SUS304 stainless steel, size: 500 * 400 mm
  Operation window	2 windows, total peripheral size Ф160 mm, outer 3.0 mm stainless steel edging, sealed with long-arm leather gloves (length: 600 mm) (length: 600 mm)
  Exhaust system - Fan	Using a centrifugal fan to strongly exhaust the wind
  Exhaust system - Sealed push-pull plate	2.0 mm stainless steel
  Exhaust system - Sliding grooves	With sliding grooves on both sides
  Air inlet	4 inlets, size: 200 * 100 mm, sealed push-pull plates are 2.0 mm stainless steel plates, with sliding grooves on both sides
  Bottom fixing frame	Size: 2.1(L) * 1.16(W) * 0.6(H)m, using 40 * 40 mm square pass, static baking white paint, with 4 3-inch casters (2 with brakes and 2 without brakes)
  Lighting equipment	Use of anti-fog and smoke incandescent lamps
  Flame time	0 - 99.99 seconds arbitrarily set
  Flameout time	0 - 99.99 seconds arbitrarily set
  Flame times	0 - 999999 times arbitrary setting
  Automation	Automatic ignition, automatic timing, counting function, high test accuracy
  Dimensions	L2100 * W1630 * H2800 mm
  Working power	AC220V, 50HZ

4. Product Functions

• Accurate Flammability Assessment
  • The primary function of the Large Combustion Chamber / Wire and Cable Flammability Testing Equipment is to provide a detailed and accurate evaluation of the flammability of wires and cables. By precisely measuring parameters like flame spread rate, smoke generation, and combustion time, it determines the level of fire hazard associated with a particular wire or cable product. This information is crucial for manufacturers to identify areas for improvement in their designs and materials. For example, if a wire has a high flame spread rate, the manufacturer can explore different insulation materials or conductor coatings to enhance its fire resistance.
  • The measurement of smoke production is also of great significance. Excessive smoke can impede visibility and evacuation in the event of a fire, and can also contain toxic substances. By quantifying smoke generation, manufacturers can develop wires and cables that produce less smoke or have improved smoke suppression properties.
• Compliance with Safety Standards and Regulations
  • The wire and cable industry is subject to a multitude of safety standards and regulations. This testing equipment is a reliable means for ensuring compliance. It enables manufacturers to conduct tests in accordance with international and national standards such as IEC (International Electrotechnical Commission) and UL (Underwriters Laboratories) standards. By using this equipment and obtaining accurate test results, manufacturers can prove that their products meet the required safety levels, facilitating market access and enhancing consumer confidence.
  • Regulatory bodies rely on the test data generated by this equipment to enforce safety regulations. Inspectors can use the results to determine whether a particular wire or cable product is suitable for use in different applications. For example, in high-rise buildings or in areas with a high fire risk, only wires and cables that pass strict flammability tests are permitted to be installed.
• Research and Development Support
  • In the field of wire and cable research and development, the Large Combustion Chamber is an invaluable asset. It allows engineers and scientists to study the effects of different materials, designs, and manufacturing processes on the flammability of wires and cables. For instance, they can test the performance of new flame-retardant additives in insulation materials or evaluate the impact of cable construction techniques on fire resistance.
  • The detailed data obtained from the testing equipment serves as a roadmap for innovation. It helps researchers to optimize wire and cable designs, select more suitable materials, and develop new fire-resistant technologies. This, in turn, leads to the production of safer and more reliable wires and cables for a wide range of applications.

5. Production and Quality Assurance

• Stringent Manufacturing Process
  • The Large Combustion Chamber / Wire and Cable Flammability Testing Equipment is manufactured under strict quality control procedures. Each component is carefully sourced and inspected for quality and performance. The assembly process is carried out by highly trained technicians in a clean and controlled environment, ensuring the proper alignment and functionality of all parts.
  • The calibration of the ignition system, sensors, and measurement systems is a critical and regular part of the manufacturing process. It is performed using traceable reference standards to guarantee the accuracy and reproducibility of the test results. Rigorous quality audits and inspections are conducted at various stages of production to maintain the highest level of product quality.
• Quality Certification and Validation
  Our testing equipment has obtained relevant quality certifications and has been validated by independent testing laboratories. It has been proven to provide accurate and reliable test results, conforming to the relevant international and national safety and performance standards. We also continuously update and improve our product based on the latest technological advancements and customer feedback to ensure its long-term performance and compliance.

6. Application Areas and Success Stories

• Wire and Cable Manufacturing
  • A leading wire and cable manufacturer used the Large Combustion Chamber to develop a new line of low-smoke and fire-resistant cables. The test results showed that the new cables had a significantly reduced smoke generation and flame spread rate compared to their previous models. This enabled them to market the cables as a premium fire-safe option, meeting the increasing demand for such products in the construction and transportation industries. The company experienced an increase in sales and enhanced its reputation in the market.
  • A manufacturer of specialty cables for the aerospace industry utilized the equipment to optimize the fire performance of their products. By testing different combinations of conductors and insulation materials under extreme conditions, they were able to develop cables that could withstand the high temperatures and fire hazards associated with aerospace applications, ensuring the safety and reliability of aircraft electrical systems.
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