LEV Central

The Knowledge Base for LEV

SHAPA ATEX Technical Paper (updated)

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SHAPA Practical Guidance for Suppliers and Operators of Solid Handling Equipment for Potentially Explosive Dusts. Taken from the foreword: It is the policy of the SHAPA technical committee to systematically review the technical papers & presentations listed in the “Technical Advise” section of its website. The following Practical Guidance for Suppliers and Operators of Solid…

HSE Guides “Woodworking”

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HSE have produced in 2017 a series of guides on controlling dust from woodworking processes.  These guides can be accessed and downloaded by following these links:- WD0 “Advice for Managers” WD1 “Bandsaws” WD2 “Circular Bench Saws” WD3 “Cross-Cut Saws” WD4 “Vertical Spindle Moulders” WD5 “Overhead & CNC Routers” WD7 “Sanding Machines (Hand Held)” WD10 “Wall…

Dust Removal Filters for Combustible Dusts

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Very useful guide, clearly set out and with simple but effective diagrams from the Filtration Group. This information sheet looks at ATEX compliant filters for removing dusts. Click on the URL link below to be able to download a pdf copy:-

Largest Problems Facing the Combustible Dust Community – Views of 27 Experts

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This US-based knowledge website is dedicated to the issues surrounding Combustible/Explosive Dusts. In the opening words of the website they offer the following excellent summary:- “One of the biggest issues in dust explosion and fire prevention is lack of information transfer in the community. This can lead to increased risk of industrial disasters worldwide, lack…

HSE Guide MR1 “Mixing 2 Pack Paint Containing Isocyanate”

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This HSE Guide/Information sheet will help employers, the self-employed and franchisees to comply with the Control of Substances Hazardous to Health Regulations 2002 (CoSHH), as amended, to control exposure to Isocyanates and protect workers’ health. This sheet describes good practice using General Ventilation. It covers the points you need to follow to reduce exposure to…

HSE Prevention of dust explosions in the food industry

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1. Introduction 1.1 Explosions and fires within the food industry from combustible materials are a known hazard and they can have devastating and irreversible effects. This information sheet concentrates solely on the fire and explosion hazards encountered in the food industries from dusty and powdered substances. 1.2 General guidance on the prevention of fires and…

Explosion Venting Data and Modeling Literature Review

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Taken from the documents summary: This report provides a literature review and an analysis of key aspects of dust explosion and gas explosion venting. The review includes test data, theoretical models, and vent area equations in the NFPA 68 and EN14491 explosion vent standards. Comparisons are made between the vent areas used in large-scale experiments…

Excel Spreadsheet for calculating Explosion Venting

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This is a spreadsheet which is free to use on the NFPA website.  It is the personal work of Samuel Rodgers, given freely without any implied warranty or guarantee. Use of this spreadsheet is solely the responsibility of the user and the user should verify that the methods and equations are consistent with the appropriate standard….

Dust Explosion Scenario Paper

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Abstract taken from the paper: Abstract The new CCPS book, entitled Guidelines for Safe Handling of Powders and Bulk Solids, discusses several different types of accident scenarios, including scenarios that can lead to a combustible dust explosion. The dust explosion scenarios are divided into the following three categories: Explosions within Process Equipment, Explosion Propagation into…