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How are the AIT of substances and T-class of equipment related?

Auto Ignition Temperature and T-Class The Auto Ignition Temperature of substances and the Temperature Class of Equipment are related. The Auto Ignition Temperature of substances is the lowest temperature in which the substance spontaneously ignites in a normal atmosphere without an external source of ignition, such as a flame or spark. This temperature is required…
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Hazcalc - Explanation on hazardous area classification

What is Hazardous Area Classification?

Explanation on hazardous area classification Hazardous area classificatie is related to the prevention of explosion risks on a site, factory or installation. The first step in the systematic approach on reducing explosion hazards is to identify those area’s where such hazards are present: typically those locations where high concentrations of flammable substances (like gases, liquids…
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Hazcalc - Download / export assessments

Can i download/export assessments?

All assessments made with Hazcalc can be downloaded / exported directly to a Micrisoft Excel formatted xlsx file. The values of this file can be copy-paste to an Importmodule and an automated table can be extracted within a few clicks. This table can easily be modified. The Importmodule can be downloaded here: Importmodule.xlsx
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Vaper Cloud Explosion VCE

What means the Pmax of Substances?

The Pmax of a substance is the maximum pressure that is monitored during ignition of substances at different concentrations in a laboratory test facility. Tests are performed according to EN 13673-1 : “Determination of the maximum explosion pressure and maximum rate of pressure rise of gases and vapours – Part 1: Determination of the maximum…
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LEL and UEL in relation with the Minimum Ignition Energy

What means the LEL and UEL of substances?

LEL and UEL in relation with the Minimum Ignition Energy LEL: The Lower Explosive Limit (LEL) is the lowest concentration of a gas, vapor or dust that will burn in air.UEL: The Upper Explosion Limit (UEL) is the highest concentration of a gas, vapor or dust, that will burn in air. These values for gases and vapors…
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