20L Spherical Explosion Tester

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The 20L Spherical Explosion Tester is a state-of-the-art laboratory instrument designed for the precise evaluation of the explosion characteristics of combustible dusts, gases, and vapors in a controlled environment.

This critical safety testing equipment utilizes a standardized 20-liter spherical vessel, which provides an ideal geometry for studying flame propagation and pressure development during an explosion. Inside the sphere, a carefully prepared mixture of the test substance (dust cloud or gas/vapor mixture) and air is ignited by a high-energy source.

High-speed pressure transducers measure the rapid pressure increase within the vessel, and sophisticated data acquisition systems record the entire event. This allows for the determination of key explosion parameters, such as:

Pmax: The maximum explosion pressure reached.

dP/dt max (or Kst for dusts): The maximum rate of pressure rise.

These parameters are fundamental for assessing the explosion hazard of materials, designing appropriate safety measures (like explosion venting, suppression, or containment), and ensuring compliance with international safety standards.

Used extensively in safety laboratories, chemical processing industries, and research institutions, the 20L Spherical Explosion Tester is an indispensable tool for new product development, hazard assessment of materials, and verification of safety data. Its precise control and accurate measurement capabilities provide essential information to prevent catastrophic dust and gas explosions.

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