Special Conditions - Burkert 2000 Guide Rapide

Intended use
4.2. Sticker for the ex area
ii 2g c iic t4
Warning: not valid when non-ex devices added
ii 2d c t135°c
Warning: p otential electrostatic charging hazard
4.3. Temperature ranges in the ex area
max. ambient
temperature
up to dn 25
T6 85°C -10 to +45°C
100°C -10 to +60°C
T4 135°C -10 to +95°C
Temperature class T4
140
130
120
110
Temperature class T5
100
Temperature class T6
90
80
70
60
50
40
30
20
10
0 10 20 30 40 50
Medium temperature [°C]
Type 2000
achtung: in ex-bereichen darf die oberfläche
nur mit einem feuchten tuch gereinigt werden
c aution: in hazardous areas the surface
- see instructions
may only be cleaned with a wet towel
medium
above dn 25
-10 to +55°C
-10 to +70°C
-10 to +105°C
60 70 80 90 100 110 120 130

4.4. Special conditions

To ensure potential equalization, ground the valve body to the pipe
system using an electrically conductive connection.
For use in Ex area zone (gas) 1 and 2,
Danger!
danger of explosion caused by electrostatic charge!
In the event of a sudden discharge from electrostatically charged
devices or individuals there is a risk of an explosion in the Ex area.
• Implement suitable measures to ensure that there are no electro-
statically charges in the Ex area.
• Only clean the surface of the device by gently wiping with a
damp or anti-static cloth.
Valves
up to
Observe temperature ranges in the Ex area (see "4.3")!
DN 25
Valves
larger
than
DN 25
zone (dust) 21 and 22, applies:
english
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