Thorne & Derrick are leaders in the development and distribution of Product Innovations that deliver significant improvements to clients plant, people and operational safety in the explosive atmosphere industries.
Your proactive problem solvers experienced in succession planning for the replacement of obsolete, non-conformant and legacy equipment in hazardous areas.
Your first-choice provider of innovative and competitive solutions to ensure ATEX & IECEx Compliance for Hazardous Area Electrical, HVAC & Process Instrumentation Equipment to your UK and international projects.
Control Panels | Plugs | Isolators | Enclosures & Junction Boxes | Lighting | Control Stations | Motor Starters | Heat Trace | Gas Detection | Flame Detection | Process Instrumentation | Process Heating | Ventilation Fans | Security Access Control
Competitive Prices | Extensive Stocks | Technical Support | Express Delivery
Published 12 Jun 2026
Zone 1 and Zone 2 hazardous areas are classified locations where flammable gases, vapours or mists may create an explosive atmosphere. The main difference is how likely the explosive atmosphere is to occur during normal operation. Zone 1 is higher risk because an explosive atmosphere is likely to occur...
Published 11 Jun 2026
ATEX marking is the information shown on certified hazardous area equipment to identify where and how it can be used safely in potentially explosive atmospheres. It usually includes the equipment group, category, gas or dust suitability, explosion protection method, gas group, temperature class, equipment protection level and certificate reference....
Published 11 Jun 2026
ATEX and IECEx certification are both used to demonstrate that equipment is suitable for use in potentially explosive atmospheres, but they are not the same scheme. ATEX is a legal requirement for equipment placed on the EU market, while IECEx is an international certification system designed to provide globally...
Published 20 May 2026
Why Hazardous Area Ventilation Requires More Than Electrical Certification When discussing explosion protection in hazardous areas, the focus is often placed on electrical equipment such as motors, switches and junction boxes. While these components remain critical, ATEX fans must also be assessed for non-electrical ignition risks created by the...
Published 20 Apr 2026
Thorne & Derrick is pleased to reaffirm its distribution partnership with Pepperl + Fuchs, with a renewed focus on Enterprise Mobility solutions for hazardous area and industrial applications. This includes rugged ATEX mobile phones and ATEX tablets designed to support safe communication and digital workflows in environments where standard...
