COLASIT AG
Plastic construction
CH-3700 Spiez
Phone +41 (0)33 655 61 61 Fax +41 (0)33 654 81 61
Editione 2010 / Subject of alteration
Copyright by COLASIT AG Spiez
Page 25
Enclosure
Declaration of Conformity No. TD-000 807
Description of appliance or protective system:
The radial fans CHVS 63-250 ATEX (rated widths: 63/90/125/160/200/225)
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.
Test Report:
T610-22-3
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 3 shall apply to the entire fan.
Ambient
temperature:
T
0-40°C
Maximum temperature of intake medium: 60°C
The minimum flow velocity through the fan must be
minimum
5m/s.
On versions with V-belt drive, only V-belts may be used if they
conform with the requirements of EN 13463-5 Chap. 7.2
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.