COLASIT AG
Plastic construction
CH-3700 Spiez
Phone +41 (0)33 655 61 61 Fax +41 (0)33 654 81 61
TD-000 796-E
Edition 10/2019, Subject to alteration
Copyright by COLASIT AG Spiez
Page 26
Enclosure
Declaration of Conformity No. TD-000 745
Description of appliance or protective system
The radial fans CMV 450-800 ATEX with direct drive and V-belt drive extract room air or process exhaust
air. They are directly or indirectly driven by electric motors via V-belts.
Special conditions
:
If the fans are operated within explosive atmospheres
in Zone 1 or 2, they may only be driven by motors
for which an appropriate approval (EC type test
certificate) has already been issued.
Temperature Class T4: If the site of installation is Zone 1/2, an
explosion proof motor with temperature class T4 must be fitted.
If an explosion proof motor with temperature class T3 is used,
temperature class T3 shall apply to the entire fan
Ambient temperature: T -20 - 40°C
Maximum temperature of intake medium: 60°C
The minimum flow velocity through the fan has to be
minimum 5m/s.
On versions with V-belt drive, only V-belts may be used if they
conform with the requirements of EN 80079-37 Chap. 5.8.2
and possess an appropriate factory certificate in compliance
with EN 10204-2.1.
All service and repair work must be carried out by trained service
personnel.
Additional information:
The radial fans of Equipment Category 3 may only be
used to extract gases where the frequency of occurrence
of combustible or explosive atmospheres is equivalent to
Ex-Zone 2.
Basic safety and health requirements:
Fulfilled by standards.
This certificate may only be copied in full without any changes.