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LabExpo Spread of Flame Apparatus: Precision Testing for Flame Spread

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Scarlett Labexpo
LabExpo Spread of Flame Apparatus: Precision Testing for Flame Spread

LabExpo Spread of Flame Apparatus is an essential tool for accurately measuring the flame spread characteristics of various materials, crucial for industries concerned with fire safety and compliance with international standards. Designed in accordance with the International Maritime Organization (IMO) marine specification, this apparatus includes an integrated collection hood specifically designed for heat release measurement, ensuring a comprehensive analysis of material flammability.

Key Features and Specifications

Construction and FrameworkThe apparatus consists of two primary components: the radiant panel framework and the specimen support framework, along with several supplementary items that enhance its functionality. The radiant panel is constructed from all-welded square tubular mild steel, ensuring durability and reliability. The overall dimensions of the radiant panel are approximately 480 mm by 280 mm, providing a substantial area for testing. The panel features porous refractory tiles housed in a robust stainless steel casing, optimizing heat distribution during experiments.

Gas and Air Supply RequirementsFor optimal operation, the radiant panel can utilize either propane or natural gas, with typical gas supply requirements of up to 0.8 liters/second at a pressure of 200 mm water gauge. Additionally, the apparatus necessitates an air supply of up to 10 liters/second at approximately 300 mm water gauge pressure. These specifications allow for a controlled and consistent gas-air mixture, critical for accurate flame spread measurements.

Adjustable Testing OrientationOne of the standout features of the apparatus is its ability to test specimens in various orientations. The radiant panel is mounted on a rotating steel ring, enabling users to position samples in different orientations as required. This versatility is essential for comprehensive testing across a range of materials and configurations.

Integrated Safety and Control SystemsSafety is paramount in any testing environment, and the LabExpo Spread of Flame Apparatus is equipped with multiple safety features. It includes pressure governors and control valves, alongside shut-off valves for both gas and air supplies, ensuring secure operation. The integrated control box contains indicator lamps and push-buttons linked to the gas safety system, providing clear feedback during testing.

Advanced Monitoring CapabilitiesTo enhance usability and accuracy, the apparatus features variable area flowmeters within the pipework, allowing for precise control and monitoring of gas and air flow to the radiant panel. This feature ensures that the gas mixture is maintained at optimal levels throughout the testing process.

Specimen Support FrameworkThe specimen support framework, also constructed from all-welded square tubular mild steel, is designed to securely hold test specimens in place. A steel guide on one side of the framework carries the stainless steel specimen holder, which is tailored to meet specific testing requirements. The specimen is positioned close to a test flame, which is supplied through a fixed stainless steel tube and mixed with the gas-air mixture from the radiant panel's main gas supplies.

Heat Release MeasurementA heat release stack is mounted directly above the specimen, channeling combustion products from vertically mounted samples into the stack for effective measurement. The inclusion of a calibration board made from calcium silicate-based material allows for precise positioning of the heat flux meter at prescribed calibration locations, ensuring accurate readings during tests.

The apparatus also features a spring-type loaded quick action clamp, facilitating easy loading and retention of test specimens. The output from the heat flux meter can be monitored on a recording device or through an optional data acquisition system, enabling detailed analysis and documentation of flame spread characteristics.

Conclusion

The LabExpo Spread of Flame Apparatus represents a comprehensive solution for evaluating the flame spread of materials, equipped with advanced safety features, precise control systems, and versatile testing capabilities. Whether used in laboratory settings or industrial applications, this apparatus ensures that materials are tested under rigorous conditions, contributing to enhanced fire safety standards across various sectors. By employing this advanced testing solution, industries can ensure compliance with necessary regulations while fostering safer environments for their products and processes.

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