Printed version of this standard is available at Library. To request, please e-mail to referencepk@usm.my and include a copy of this record in your e-mail.
This recommendation applies to industrial furnaces heated indirectly with metallic heating elements
(e.g., for heat-treatment, hot-forming, etc.) in which the internal atmosphere is composed of air not
intentionally modified.
This recommendation applies to batch chamber, bell, elevator, shaft, carriage, or to furnaces of any similar
construction. These furnaces may be constructed either with or without forced air circulation.
This recommendation covers furnaces of low and very low voltage categories (below 500 V).