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Videos – Dust Explosions in Filters (collection)

Real-World Demonstrations of Dust Collector Explosions and Explosion Protection   LEVCentral Expert Commentary There is no better way to appreciate the destructive force of a combustible dust explosion than by seeing one occur. This collection of four short videos brings …

HSE What is Local Exhaust Ventilation – Video

A Simple Introduction to How LEV Systems Protect Workers’ Health   LEVCentral Expert Commentary This short HSE video is one of the best introductory resources available for anyone who is new to Local Exhaust Ventilation (LEV). Produced by HSE, it …

HSE Wood Dust Exposure Video (Sweeping!)

LEVCentral Expert Commentary Some of the most effective health and safety training resources are also the simplest. HSE’s Wood Dust Exposure (Sweeping!) video—also known as “Clean Your Act Up”—is an excellent example. Using a dust lamp (Tyndall lighting), the video …

Interview with Phil the Welder

HSE Video: Dr David Fishwick interviews Phil Hydes, asthma sufferer Click here to be redirected to the HSE website and watch the video. A Powerful Reminder of Why Welding Fume Control Matters   LEVCentral Expert Commentary Technical guidance, exposure limits …

Video: How to Use a Pitot Tube

Practical Guidance on Taking Accurate Duct Velocity Measurements LEVCentral Expert Commentary The Pitot Tube remains one of the most important instruments used by LEV engineers, commissioning engineers and occupational hygienists. When used correctly, it provides a reliable method of measuring …

Video – “Captor Hoods – Basic Principles and Design Theory/Equations”

Understanding How Captor Hoods Actually Work Captor hoods are one of the most commonly used forms of Local Exhaust Ventilation (LEV) hood found throughout industry. However, despite their widespread use, captor hoods are often misunderstood. Many LEV systems fail to …

LVHV ‘On Tool’ Extraction for Dust

Low Volume High Velocity (LVHV) extraction systems have become increasingly important in controlling dust generated by portable power tools and hand-held processes. By capturing contaminants directly at the point of generation, LVHV systems can significantly reduce worker exposure to hazardous …

Fume Cupboards and the Screaming Jelly Baby Experiment

When a Demonstration Overwhelms a Fume Cupboard The “Screaming Jelly Baby” experiment is one of the most well-known chemistry demonstrations performed in schools and colleges throughout the UK. The demonstration involves dropping a jelly baby into molten potassium chlorate, resulting …

Video – “How to Measure Captor Hood Control Distance?”

Measuring the Real Control Effectiveness of Captor Hoods This OXYL8 training video explores one of the most frequently misunderstood aspects of captor hood performance: determining the effective control distance (or control zone) of a captor hood. Captor hoods are widely …

Video – “What Happens When a Centrifugal Fan Runs in Reverse”?

One of the most common faults discovered during LEV commissioning and Thorough Examination and Test (TExT) is a centrifugal fan that has been wired incorrectly and is rotating in the wrong direction. Surprisingly, when a centrifugal fan runs in reverse, …