designed and certified, like Motive "EX" gearboxes, for ATEX categories 2 and 3, Gas and Dust, zones 1, 21, 2, 22
also motive three phase motors of the DELPHI series, like motive gearboxes before (BOX worm, ENDURO helical bevel, STON mounted shaft helical, ROBUS in-line helical, STADIO pre-stage) have just been certified ATEX for category 2 and 3.
DELPHI EX are then suitable now for 4 zones, 2 categories, Gas and Dust
Cat Zone description motive gearboxes
2 1 A place in which an explosive atmosphere consisting of a mixture with air or flammable substances in the form of gas, vapor or mist is likely to occur in normal operation occasionally
3 2 A place in which an explosive atmosphere consisting of a mixture with air of flammable substances in the form of gas, vapor or mist is not likely to occur in normal operation but, if it does occur, will persist for a short period only.
2 21 A place in which an explosive atmosphere in the form of a cloud of combustible dust in air is likely to occur in normal operation occasionally.
3 22 A place in which an explosive atmosphere in the form of a cloud of combustible dust in air is not likely to occur in normal operation but, if it does occur, will persist for a short period only.
