Norgren VS18 Series Valve Advantage - Manual (Page 93)

VS18/VS26 MAINTENANCE & INSTRUCTION BOOKLET
10.3 ATEX CONFORMITY
10.3.1 Operating conditions
ATTENTION: Certain permissible operating conditions for ATEX applications can vary
from normal applications.
Pilot pressure:
max. 10 bar
Operating pressure:
max. 16 bar (if permissible for valve type)
Ambient temperature:
-15°C to 50°C
Medium temperature:
max. 50°C
Medium:
compressed air,
filtered, lubricated (see section 4.1.4 for air quality)
Temperature class:
T4 (see declaration of conformity 10.3.4 )
ATEX category:
II3GD (see declaration of conformity 10.3.4 )
Voltage:
24V DC (+/-10%)
Voltage of pilot valves:
1,2W (per pilot valve)
Use conditions:
100% ED
Note:
1. The valve islands VS18 and VS26 conform to the Directive 94/9/EC (ATEX 95) Annex I
„equipment of the equipment group II category 3G“, which are potentially explosive through
inflammable material in range of temperature class T1 to T4 in zone 2 as well as in the
explosions groups IIA, IIB and IIC according to Directive 99/92/EC (ATEX 137) and can be
used correspondingly.
Follow the requirements in EN 60079-14 using/installing the valve islands.
2. The valve islands VS18 and VS26 conform to the Directive 94/9/EC (ATEX 95) Annex I
„equipment of the equipment group II category 3D“, which can be used in zone 22 of
inflammable dusts according to Directive 99/92/EC (ATEX 137).
Follow the requirements in EN 50281-1-2 using/installing the valve islands.
10.3.2 Labels
Standard Label Additional ATEX Label
II3 G EEx nA II T4
II3 D IP65 T135°C
-15°C < t
amb < 50°C
SEV 04 ATEX 0114 X
Do not disconnect, exchange or
maintenance under voltage!
Kein Trennen, Austausch oder
Servicearbeiten unter Spannung!
Type
Ser.No
/
Voltage 24V DC
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