February 2021

n HAZARDOUS AREAS, OIL AND GAS Who is responsible for Ex-rated motor repairs? P otentially explosive atmospheres are encountered inmany industries including oil and gas, pharmaceuticals, water treatment andmining, as well as the food and beverage sector. Areas that may be affected are zoned according to the potential risks, and any electrical equipment in these areas must be designed andmanufactured to specific standards. Any business with zoned areas is expected to adhere to several Operating equipment in potentially explosive atmospheres comes with responsibilities, not least of which is to use correctly designed components. Karl Metcalfe, who provides technical support for the AEMT (Association of Electrical and Mechanical Trades), looks at the knowledge and responsibilities needed to manage electric motors in zoned areas. When Ex motors need to be maintened and repaired, it is important that operators understand what is expected of them Introducing Alfred ATEX / IECEx Solenoid and Switch Interlocks Ex db IIC T4 Gb Ex tb IIIC T110°C Db IP69 Tamb -20°C to +60°C II 2 G II 2 D Fortress Interlocks Ltd +44 (0)1902 349000 sales@fortressinterlocks.com www.fortressinterlocks.com • Stainless steel • Rated for 1,000,000 cycles • 10kN retention force • ATEX certified • IP69 rating • Up to PLe, Cat 4 SIL 3 Alfred is suitable to be installed in gas or dust environments up to Zone 1 and Zone 21. The flame proof enclosure prevents the igniting of an explosive environment whilst maintaining machinery safety. Contact Fortress for more information.