Watson-Marlow Bredel 10 - Manual (Page 47)

HAZARDOUS ENVIRONMENTS (ATEX)
47
10 HAZARDOUS ENVIRONMENTS (ATEX)
10.1 ATEX compliance
Hose pumps that are configured for use in potentially
explosive environments comply to CE directive 94/9/EC
(ATEX directive). The hose pumps as mentioned on the
front cover comply to: Group II Appliances, category
2 GD. Refer to §
10.2.1 for a more detailed definition.
10.2 Identification
10.2.1 Pump head
Hose pumps that are configured for use in potentially
explosive environments are identified by an extra ATEX
plate on the rear of the pump head on one of the ports.
The plate contains the following data:
A
ATEX code
B ATEX document number
C year of manufacture
The following table explains the ATEX code on the
ATEX plate.
II Group II equipment for use in potentially
explosive atmospheres, other than mines
susceptible to firedamp.
2 Category 2 equipment for the requisite level
of protection, even if frequently occurring dis-
turbances or equipment faults have to be
taken into account.
G Equipment for use in explosive atmospheres
caused by gases, vapours or mists.
D Equipment for use in explosive atmospheres
caused by dusts.
k Equipment protected by liquid immersion.
c Equipment protected by constructional
safety.
b Equipment protected by control of ignition
source.