Summary paper prepared for the NZ HAECC (Hazardous Areas Electro technical Co-ordination Committee) regarding non electrical ignition sources in hazardous areas. Briefly covers the proposed methods for applying EPL’s (equipment protection levels) to machines and the issues NZ faces should we collectively adopt standards for non electrical ignition sources. Download the full PDF
Read More
This case study reviews two methods for determining process risk for two different combustible dust handling systems. The methods used were applied to existing installations. The first method using the guidance of draft IEC/ISO 80079 standards for Non electrical equipment in hazardous areas was applied to a coal handling system. The second method uses HAZID […]
Read More
Dust explosion risk is ever present in manufacturing plants that deal with many common dusty products. The leading cause of dust explosions in such plants is mechanical friction, causing 30% of incidents. Hazardous areas and the selection of electrical equipment forms only a part of the overall plant protection scheme. This presentation explores the considerations […]
Read More