VERSION ATEX
Our fans are also available in ATEX version, known outside Eu-
rope as explosionproof, with zone 2, EEx-d, category 3G, explo-
sion group IIB & IIA, T4 execution in accordance with ATEX di-
rective 94/9/CE and EN1127-1, EN 13463-1 standards.
In consequence of these technical and legislative provisions it's
necessary to take the following information into consideration
when you install our ATEX fans:
Zone classification 2 with occasional presence of explosive at-
mosphere: is an area in which explosive atmospheres as a result of
a mixture of air and flammable gases , vapours or mist do not nor-
mally occur or occur for a short time only during normal operating
conditions. Experts generally agree that the term « short time » cor-
responds to a period of appromx. 30 minutes per year.
Temperature class T4: is the enclosure class temperature with
135°C maximum surface temperature of motor including 40°C am-
bient temperature.
Category 3G: suitable for installation in surface plants for GAS
category for a normal protection level guaranteed by the equip-
ment.
Explosion group IIB & IIA : combustible gases and vapours are
divided into groups according to their explosive capacity.
All ATEX motors used with an inverter must be equipped with
thermistors PTC/PTO to control the temperature.
The installation and repairs have to be carried out only by the
authorized workshops.
ATEX declaration of conformity available on our web site.
www.seat-ventilation.com